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WO2013070004A1 - Appareil de moulage par soufflage pour récipient ayant une paroi séparatrice et préforme pour ce récipient - Google Patents

Appareil de moulage par soufflage pour récipient ayant une paroi séparatrice et préforme pour ce récipient Download PDF

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Publication number
WO2013070004A1
WO2013070004A1 PCT/KR2012/009431 KR2012009431W WO2013070004A1 WO 2013070004 A1 WO2013070004 A1 WO 2013070004A1 KR 2012009431 W KR2012009431 W KR 2012009431W WO 2013070004 A1 WO2013070004 A1 WO 2013070004A1
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WO
WIPO (PCT)
Prior art keywords
preliminary
preform
wall
container
partition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2012/009431
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English (en)
Korean (ko)
Inventor
김양수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cool Tech Co Ltd
Original Assignee
Cool Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cool Tech Co Ltd filed Critical Cool Tech Co Ltd
Publication of WO2013070004A1 publication Critical patent/WO2013070004A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/04—Multi-cavity bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/68—Ovens specially adapted for heating preforms or parisons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/073—Preforms or parisons characterised by their configuration having variable diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/075—Preforms or parisons characterised by their configuration having at least one internal separating wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
    • B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
    • B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
    • B29C2949/0772—Closure retaining means
    • B29C2949/0773—Threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/14—Clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/4205—Handling means, e.g. transfer, loading or discharging means
    • B29C49/42051—Means for stripping, aligning or de-stacking
    • B29C49/42057—Aligning disorderly arranged preforms, e.g. delivered disorderly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B29C49/6418—Heating of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the present invention relates to a blow molding apparatus for forming a container having an inner compartment divided by a partition wall, a molding method, a container manufactured by the same, and a pre-fill for the same, and more specifically, a blowing zone After forming the preform into a container through a), through-holes are formed in the postprocessing zone to form a through-hole in the bulkhead of the container body so that the inner receiving space can be communicated with each other to be utilized as various containers.
  • the inventor's patent No. 0845737 (July 07, 2008) [Blow molding method for a container having a divided receiving space and the container] has a blowing pressure for the first and second blow molding in forming a preform having a preliminary bulkhead.
  • the present invention has a problem in terms of defect rate or individual container quality despite securing the mass production and the required production speed in connection with a blow molding apparatus for manufacturing a container having an inner partition divided by a partition and a molding method using the same. It is proposed to present the missing technology.
  • Another object of the present invention is to provide a blow molding apparatus including a container having a through-hole formed in the partition wall and a post-processing zone therefor so that partitions divided by the partition wall can communicate with each other.
  • the present invention provides a container and a molding apparatus for forming a recess in a body position overlapping with the partition wall in order to solve the problem that the optical refraction occurs due to the partition wall partitioning the inner space of the container body unfamiliar than the existing container.
  • a container and a molding apparatus therefor provided with a shielding portion in the recess in order to prevent the partition wall from the side.
  • the present invention is to introduce a heating zone (Heating Zone) is heated before blowing the injection-molded preform in the blowing zone to ensure productivity and quality, the preliminary outer wall and the preliminary partition of the preform
  • a heating zone Heating Zone
  • An object of the present invention is to provide a blow molding apparatus in which cooling means, in particular air cooling means, are arranged together with a heating means so as to be uniformly heated, and a molding method therefor.
  • the present invention introduces a seating member having an opening portion of the preform is placed and the preliminary bulkhead is fitted to enable the rotation of the preform while passing through the heating zone, and then put into each preliminary section of the preform in the blowing zone
  • An object of the present invention is to provide a blow molding apparatus that facilitates specifying a position of an opening so that a stretching rod having a diverging body can be accurately input.
  • Another object of the present invention is to provide a blow molding apparatus further including a shielding member for preventing the spout of the preform from being heated by a heating means in the heating zone.
  • the present invention also introduces a resistance member that retracts according to the elongation of the preform in a state in which the bottom of the blowing zone is pressed against the bottom of the preform, so that there is no problem of increasing the production rate or the defective rate of the manufactured container even when the production speed is improved. It is an object to provide a molding apparatus.
  • an object of the present invention is to provide a preform that has no problem of breakage during blowing for blow molding of a container having a partition, and allows the partition of the finished container to have an uprightness and flatness.
  • a blowing zone including an air blower for injecting air through the opening of the preform having the opening and the preliminary partition divided by the preliminary partition;
  • It comprises a post-processing zone (blow-processing) including a puncturing means for forming a through hole in the partition wall of the container body having a partition divided by the partition wall.
  • blow molding apparatus according to the present invention
  • Openings An outer wall extending from the opening; And a partition wall arranged in the outer wall to form a partition part and having a through part.
  • the container according to the present invention comprises an opening; An outer wall extending from the opening; Partition walls arranged in the outer wall to form partitions; And a recess portion formed at an outer wall position overlapping the partition wall.
  • a shielding portion is further formed on the concave portion so that the partition wall is not visible, and a parting line is formed on the outer wall at a position displaced from the concave portion, or the outer wall overlaps with the concave portion. It is preferable that the parting line is formed in.
  • Another embodiment of the blow molding apparatus is a heating zone including a heating means for heating a preform having a preliminary compartment divided by an opening and a preliminary partition, and an air cooling means for uniform heating of the preform. ; And a blowing zone including an air blower for injecting air through the opening of the preform.
  • the heating zone further includes a seating member having an opening portion of the preformed side of the preform and the preliminary bulkhead fitted therein, and the heating zone further includes a spout. And a shielding member for preventing the spout of the preform from being heated by a heating means, wherein the heating zone further includes a rotating means for turning the preform, wherein the blowing zone has a mold provided on an outer surface of the preform; It is preferable to further include a stretching rod that is introduced into the preliminary compartment of the preform, and a resistance member that retracts according to the elongation of the preform in a state in which the bottom surface portion opposite to the opening of the preform is pressed.
  • the blow molding method for manufacturing a container having a partition performs cooling through an air cooling means for uniform heating of the preform while heating a preform having a preliminary section divided by an opening and a preliminary partition through a heating means. After passing through the heating zone (heating zone), it is manufactured through a blowing zone (blowing zone) to be molded through an air blower for injecting air through the opening of the preform.
  • another embodiment of the blow molding apparatus is a mold provided on the outer surface of the preform having a preliminary compartment divided by the opening and the preliminary partition, a stretching rod which is introduced into the preliminary compartment of the preform, the opening of the preform And a blowing zone including an air blower for injecting air through the air blower, and a resistance member that retracts according to the elongation of the preform in a state in which the bottom surface portion opposite to the opening of the preform is pressed.
  • the blow molding apparatus includes heating means for heating a preform having a preliminary partition portion divided by an opening and a preliminary partition, and further includes a heating zone arranged before the blowing zone.
  • the heating zone, the preform further comprises a spout, and further comprises a shielding member to prevent the spout of the preform is heated by a heating means, the heating zone further comprises a rotating means for turning the preform,
  • the heating zone may further include a seating member having an opening portion of the preform and having an insertion portion into which the preliminary bulkhead is inserted.
  • the heating zone may include a camera photographing a preliminary bulkhead angle of the preform, and an angle of the preliminary bulkhead read by the camera.
  • a loading zone comprising displacement means for pivoting the seating member to fit the insert To include preferred.
  • the present invention is a preform for manufacturing high-quality split container
  • Preliminary outer wall A preliminary partition wall connected to the preliminary outer wall to form a preliminary compartment by dividing an inner space, wherein the preliminary outer wall has a thin portion formed at a contact surface with the preliminary partition wall, and is spaced apart from the preliminary partition wall. In the place, the rear part is formed.
  • the present invention is a preform for producing a high-quality split container outer wall;
  • a preliminary partition wall connected to the preliminary outer wall to form a preliminary compartment by dividing an inner space, wherein the preliminary partition wall has a rear portion formed at a contact surface with the preliminary outer wall and spaced apart from the preliminary outer wall. In the place, thin parts are formed.
  • the preliminary partition wall has a rear part formed at a contact surface with the preliminary outer wall, and a thin part formed at a part spaced from the preliminary outer wall in a preform for manufacturing a high-quality division container. It is preferable that the said preliminary outer wall is formed in thin part in the contact surface with a preliminary partition, and the back part is formed in the place which is separated from the preliminary partition.
  • the preliminary outer wall is formed in a preform for producing a high-quality partition container is formed in a form that increases from the top to the bottom, the preliminary partition is formed in a form that increases from the top to the bottom.
  • a curved portion is formed at a contact surface of the preliminary outer wall and the preliminary partition wall in a preform for manufacturing a high quality split container.
  • a blow molding apparatus including a container having a hole formed in the partition wall and a postprocessing zone therefor so as to allow the partitions divided by the partition to communicate with each other, and furthermore, due to the partition wall partitioning the receiving space inside the container body,
  • a container and a molding apparatus for forming a recess in the main body position overlapping with the partition wall, and to prevent the partition wall from being seen from the side It provides a container with a shield in the mouth and a molding apparatus therefor, and a heating zone in which heating is performed before blowing the injection-molded preform in the blowing zone to ensure productivity and quality.
  • the preliminary outer wall and the preliminary partition of the preform are heated uniformly.
  • a blow molding apparatus with a cooling means, in particular an air cooling means together with a heating means, and a molding method therefor, and a seating member having an insertion portion in which the opening side of the preform is placed and the preliminary partition wall is fitted.
  • Blow molding is introduced to allow the preform to rotate while passing through the heating zone, and to easily specify the position of the opening so that a stretching rod having a branch injected into each preliminary section of the preform can be accurately inserted in the blowing zone.
  • a blow molding apparatus which further includes a shielding member for preventing the spout of the preform from being heated by a heating means in the heating zone, and pressurizing the bottom surface of the blowing zone opposite the opening of the preform.
  • Introducing a resistance member that retracts in accordance with the elongation of the preform The blow molding apparatus for forming a container having an internal compartment divided by the partition wall by providing a blow molding apparatus so that there is no problem of increasing the quality or defect rate of the manufactured container even in the improvement of the production speed, and a molding method using the same In this regard, it is possible to present a technology that ensures mass production and, despite the required production speed, there is no problem in defect rate or individual container quality.
  • the preform according to the present invention when used, there is no problem of damage during blow molding of the container having the partition, and the partition of the finished container may have uprightness and flatness.
  • FIG. 1 is a schematic plan view of a blow molding apparatus for a container having a partition according to the present invention
  • FIG. 2 is a schematic side view of a transfer zone.
  • FIG 3 is a schematic side view of a heating zone.
  • FIG. 4 is a schematic side view of a reposition turning means that specifies the direction of the bulkhead of the preform before entering the Blowing Zone;
  • Figure 5 is a schematic side view associated with the mold and stretching rod of the blowing zone and the like.
  • FIG. 6 is a schematic partially enlarged side view associated with a resistance member of a blowing zone
  • FIG. 7 is a schematic cross-sectional view of a postprocessing zone.
  • FIGS. 8 and 9 are exploded perspective views of a container having a partition according to the present invention.
  • FIG. 10 is a cross-sectional view of a container having a partition according to the present invention.
  • Figure 11 is a cross-sectional view of the use state of the container having a partition according to the present invention.
  • 12 is a cross-sectional view of another type of container.
  • FIG. 13 is a view of a preform for a container having a partition in accordance with the present invention.
  • container 10 main body
  • auxiliary lid 27A receiving groove
  • 35 opening 35A: spout
  • transfer zone 111 storage unit
  • resistance member 145A resistance rod
  • Blower 140A Main Mold
  • the same reference numerals in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The member referred to by the reference numeral may be regarded as a member conforming to these criteria.
  • the preform 30 manufactured by the injection molding method is blow-molded to manufacture the main body 10 of the container C including the lid 20 and the main body 10.
  • a schematic plan view of the blow molding apparatus B is shown in FIG. 1.
  • the preform 30 has a spout 35A around the opening 35, and a spiral portion 35a is formed on the outer circumferential surface of the spout for screwing the molded container and the lid. 35B) is provided in the lower part of the spiral part 35a.
  • the flange 35B has a cutout portion 35b, in particular, the cutout portion 35b has a shape parallel to the preliminary bulkhead 33 and is formed at two symmetrical positions, respectively.
  • the flange 35B has a cutout portion 35b constituting a transfer zone 110 for sequentially supplying the preform 30 in the blow molding apparatus B described below with reference to FIGS. 1 and 2.
  • the guide rods 117A of the third transfer means 117 such that the preforms 30 are uniformly, that is, the preliminary bulkheads 33 are all introduced into the molding apparatus in a predetermined direction. Means to be bound to.
  • the preform 30 While passing through the third transfer means 117, the preform 30 is the cutout portion 35b of the flange 35B is constrained by the guide rod 117A so that the preliminary partition 33 of the preform is parallel to the guide rod. It is supplied in a uniform direction to form a.
  • the function of the cutout in relation to the uniform feeding direction of the preliminary bulkhead of the preform is alternatively such that the cutout of the flange can be formed in only one side on one side, and one or two cutouts are orthogonal to the preliminary bulkhead 33. It can also be implemented in the form. In this regard, the cutout of the flange formed in a direction intersecting the preliminary bulkhead 33 by a predetermined angle should also be interpreted as belonging to the protection scope of the present invention.
  • the preform is provided with a preliminary outer wall 31 and a preliminary partition 33 extending by a stretching rod and blowing pressure to form a partition wall and a partition wall of the container, and the preliminary partition 33S is formed by the preliminary partition wall 33.
  • the number of the preliminary compartments 33S may be three or more besides the two shown, and the volume of each of the preliminary compartments 33S is as necessary. It may be formed differently from one another without being uniform and regular or irregular.
  • the main body 10 of the container C blow-molded from this preform 30 has a spout 15A, spiral, which also has the same size and shape as the preform 30 (and thus not blow-molded) around the opening 15. It has a part 15a and the flange 15B.
  • the term 'spare' is used for the outer walls, bulkheads, and partitions of the preform, and not for the openings, spouts, flanges, and spirals, but the present invention should not be construed as being limited thereto. If necessary, a portion of the lower portion of the preform spout 35A may not be blow molded, and the spout of the preform may be blow molded.
  • the container body 10 is divided into the receiving space (S) surrounded by the outer wall 11 by the partition wall 13 to form a partition (13S).
  • the spout of the blow molded container may have various shapes such as ellipses, triangles, squares, and other polygons having no spirals or cross-sections, and the container body shown in FIG. 8 may also have a substantially symmetrical cross-section. It is a pseudo-ellipse shape having a straight portion at the position.
  • the partition 13 of the manufactured container body may have a shape that rises up to the top of the spout 15A or a shape that protrudes more than the top of the spout or rises up to a position where the top of the spout does not reach the top.
  • a preform 30 having a blow molding apparatus and a partition container having a partition wall according to the present invention has no problem of breakage during blowing and a partition wall of a completed container can have uprightness and flatness. Do it.
  • 13B is a plan sectional view taken along the line "c1-c1",
  • FIG. 13C is a front sectional view taken along the line "c2-c2", particularly the bottom of the flange 35B under the spout 35A.
  • the preliminary outer wall 31 has a thin portion 31b formed at a contact surface with the preliminary partition 33 and is spaced apart from the preliminary partition 33. It is preferable that the rear part 31a is formed, and the thickness is a form which increases.
  • the preliminary partition 33 has a rear portion 33a formed at a contact surface with the preliminary outer wall 31, and is thinned at a position spaced apart from the preliminary outer wall 31. 33b is formed.
  • the thickness change of the preliminary bulkhead 33 be gradually changed.
  • the structures of the preliminary outer wall and the preliminary partition having the rear portions 31a, 33a and thin portions 31b and 33b, respectively, may be used separately or together.
  • the contact surface of the preliminary outer wall 31 and the preliminary partition 33 is formed with a curved portion CV, so that it is preferable to disperse the stress during stretching due to blowing.
  • the preliminary outer wall 31 is gradually increasing from top to bottom, and thus forms the upper thin part 31d and the lower rear part 31c.
  • the preliminary bulkhead 33 has a shape that gradually increases from the top to the bottom, and also forms the upper thin part 33d and the lower rear part 33c, and the thickness change of each wall 31 and 33 is gradually changed.
  • the structures of the preliminary outer wall and the preliminary partition having the rear portions 31c and 33c and the thin portions 31d and 33d, respectively, may be used separately or together.
  • the structure of the preform as described above may be variously modified and selected according to the position of the partition wall and the number of the preliminary compartments 33S formed by the partition wall.
  • the preliminary outer wall connected with the preliminary bulkhead forms a relatively thin portion, and is first stretched to closely contact the inner wall of the mold, and then the preliminary outer wall not connected to the preliminary bulkhead is closely attached to the inner wall of the mold with a (fine) time difference. It is possible to ensure the uprightness and flatness of the partition wall.
  • the contact surfaces of the preliminary outer walls and the preliminary partitions have curved portions formed on the same principle, and the contact surfaces of the outer walls and the partition walls of the completed container by dispersing the stress at the time of blowing. It is desirable to ensure a uniform connection shape at.
  • the blow molding apparatus B for the container C main body 10 having the partition 13 has a transfer zone 110 for supplying the preform 30 sequentially. (Transfer Zone), a loading zone 120 for aligning the supplied preforms and supplying them sequentially to the next step, reheating the already fully cured preforms or maintaining the blow molding temperature of the preforms (thermal insulation concept) Heating zone 130 (Heating Zone), blowing zone 140 (blowing zone) for expanding the preform through the stretching rod and blower, and post-processing zone 150 (Postprocessing Zone) for the necessary finishing It is provided in turn.
  • Transfer Zone Transfer Zone
  • a loading zone 120 for aligning the supplied preforms and supplying them sequentially to the next step, reheating the already fully cured preforms or maintaining the blow molding temperature of the preforms (thermal insulation concept) Heating zone 130 (Heating Zone), blowing zone 140 (blowing zone) for expanding the preform through the stretching rod and blower, and post-processing zone 150 (Postprocessing Zone) for the necessary finishing It is provided in
  • the zones 110, 120, 130, 140, and 150 may be arranged separately in one place or in completely different places in a form having a significant process time difference instead of being continuously arranged.
  • each zone may be omitted as necessary, the blowing zone 140 must be provided essentially, the heating zone 130 is separately molded in a blow molding, commonly referred to as a two-stage (stage) method, completely cured This is essential for blow molding utilizing preforms.
  • a blow molding commonly referred to as a two-stage (stage) method
  • zones 110, 120, 130, 140, and 150 will be described as described in detail with reference to FIG. 1, thereby excluding various modifications by those skilled in the art from the protection range of the blow molding apparatus and the blow molding method using the same. It should not be interpreted.
  • the transfer zone 110 transfers the preform 30 to the loading zone 120 from the storage 111 containing the injection molded preforms 30 and the storage 111. It consists of a conveying means for.
  • the first conveying means 113 has a slanted portion and a conveyor belt 113A in which a plurality of scoops 113B are formed to sequentially convey the preforms one by one in the storage 111 in which the preform 30 naturally descends downward.
  • the second transfer means 115 is a hopper 115B having a light beam narrowing shape for receiving the preform falling from the upper portion of the belt 113A of the first transfer means, and the spout 35A of the preform 30 is disposed at the upper end of the hopper bottom. And a plurality of rollers 115A arranged in series so as to face each other.
  • the third transfer means 117 is composed of two guide rods 117A which are inclined so that the preform slides by its own weight and is introduced into the loading zone, and is arranged adjacent to the rear roller 115A of the second transfer means.
  • the transfer zone 110 may be variously modified in order to supply the preform continuously with a certain time difference.
  • the loading zone 120 arranged adjacent to the third transfer means 117 has the preform 30 having the opening 35 facing upward at the rear end of the guide rod 117A. It includes a conveying body 121 having a fitting portion 121a to be delivered.
  • the conveying bodies 121 are connected to each other by the connecting body 121A and rotate in a circular direction from the top to the bottom (see arrows in FIG. 1).
  • a camera 123 is installed at the beginning of the loading zone 120 to photograph the direction of the preliminary bulkhead 33 of the preform 30 located at the fitting portion 121a of the conveying body 121.
  • the preliminary bulkhead 33 of the preform 30 is uniformly aligned before being supplied to the bottom surface.
  • the image captured by the camera 123 is transmitted to the controller B1 (particularly, a programmable logic controller (PLC) method), and the controller B1 (in FIG. ⁇ ) to control the displacement means 125 at the rear end of the loading zone 120 to constantly align the preliminary bulkhead 33 of the preform 30.
  • PLC programmable logic controller
  • the displacement means 125 includes a branch body 125C that is pivoted by an angle adjusting pivot means (for example, a motor 125A) and descends by a lifting body (for example, a pneumatic or hydraulic piston 125B).
  • an angle adjusting pivot means for example, a motor 125A
  • a lifting body for example, a pneumatic or hydraulic piston 125B
  • the insertion groove 125c of the branch body 125C is pivoted in advance so that the preliminary partition 33 of the preform can be fitted by the motor 125A.
  • the preform is located at the lower portion, the descending body descends by the elevating body 125B, and when the branch body 125C is rotated by the motor 125A, the partition 33 of the preform 30 moves in one direction. Aligned.
  • the rear end of the loading zone 120 is provided with a flipping means 127, by the displacement means 125 to supply the preform in which the eb bulkhead 33 is aligned to the heating zone 130 to the reverse.
  • the flip means 127 is a turning arm 127B that is pivoted by forceps 127A and a rotating means (e.g., motor 127C).
  • a rotating means e.g., motor 127C.
  • the motor 125A, 127C or the piston 125B may be replaced by other known rotating means and elevating means, and each operating member 125A, 125B, 127A, 127C) 121 (motor for circulation of the conveying body). )) Is controlled by the controller B1).
  • the seating member 131 supplied with the preform 30 aligned by the displacement means 25 of the loading zone 120 by the flip means 127 has been described as constituting the heating zone 130 for convenience.
  • the seating member 131 is circulated at regular intervals on the conveyor belt 130A circulating between the heating zone 130, the blowing zone 140, and the post-processing zone 150,
  • the heating zone 130 functions to enable revolution of the preform 30 (indicated by a dashed-dotted circular arrow in the center).
  • the loading zone 120 includes a seating member 131, a heating means 133, an air cooling means 135, and a shielding member 137.
  • the mounting member 131 may have an opening part 35 side of the preform 30 and the insertion part 131A into which the preliminary bulkhead 33 is inserted.
  • the insertion portion 131A corresponds to a gap between two protruding powders 131A 'having a semi-circular cross-sectional shape, and the size and shape thereof are deformed to suit the preliminary partition of the preform.
  • the insertion part 131A is inverted and supplied by the flipping means 127 of the loading zone 120. It is preferable to have an upper and lower narrow shape so that the preliminary partition 33 of) is easily fitted, and the two protruding powders 131A 'have upper and lower lower light so that the opening 35 of the preform 30 is easily fitted.
  • the preform 30 has a dimension such that the preform 30 is as stable as possible.
  • the seating member 131 is provided with a contact disk 131B at the lower portion of the protruding powder 131A 'so that the mounting member 131 rotates in a random direction before the preform enters the blowing zone 140 at the rear end of the heating zone 130. Friction with the belt 140e constituting the repositioning turning means 140E for aligning the preliminary bulkhead 33 facing in the predetermined direction is made possible.
  • a substantially rhombic block 131D is provided below the disk 131B, and a preliminary arrangement of the preliminary bulkhead direction of the preform is formed at the vertex corresponding to the long diagonal portion of the block by the position change turning means 140E. After that, a fixing hole 131d for firmly fixing this state is provided.
  • a lower portion of the block 131D is provided with a fixed rod 131b which is used to allow the preform to be injected into the blowing zone 140 while fixing a specific alignment state of the preliminary bulkhead direction of the preform.
  • 131b) basically has a non-circular shape such that the cross-sectional shape is basically a cross-sectional view in the lower middle one-dot chain line of FIG.
  • the lower portion of the fixing rod 131b is provided with a sprocket 131C, so that the chain 131c (heating zone 130 in FIG. 1) can be seen in the lower right one-dot chain circle of FIGS. 1 and 3. Pivoting by the sprocket 131c ′ in the region) to allow the seating member 131 to pivot, thereby allowing the seating member and the preform to rotate.
  • Rotation of this propim 30 should be done throughout the heating zone 130 (indicated by the dashed line region in FIG. 1), and the preform 30 passing through the heating zone 130 and the blowing zone 140.
  • Revolution represented by the dashed-dotted circular arrow in the center of FIG. 1 corresponds to the essential for uniform heating of the proform, and the revolving means and the rotating means of such a preform can be variously modified.
  • the insertion portion 131A in which the partition 33 of the preform is placed is blow-molded in the blowing zone (for each preliminary section 33S of the preform 30).
  • the preliminary bulkhead alignment to allow the branch 141A of the stretching rod 141 to be fed it is essential for productivity, rotation of the preform, and design, manufacturing, control convenience, etc.
  • the component can be deformed as needed.
  • the seating member 131 may introduce a suitable clamp instead of the inserting portion 131A to ensure a specific alignment in the direction of the partition wall in the blowing zone and to secure the rotation of the preform in the heating zone.
  • the heating zone 130 is preferably a structure that can block the heat loss by forming a kind of duct (D) structure, the preliminary compartment divided by the preliminary partition 33 And heating means for heating the preform 30 having 33S, and air cooling means for uniform heating of the preform, in particular the preliminary outer wall 31 and the preliminary partition 33, in particular the air cooling means
  • D duct
  • the heating zone 130 is preferably a structure that can block the heat loss by forming a kind of duct (D) structure, the preliminary compartment divided by the preliminary partition 33
  • heating means for heating the preform 30 having 33S, and air cooling means for uniform heating of the preform, in particular the preliminary outer wall 31 and the preliminary partition 33, in particular the air cooling means One of the key concepts for the blow molding of containers with compartments.
  • the heating means 133 is preferably composed of a heater, in particular an infrared lamp suitable for light heating due to a long wavelength, and may be installed only on one side because the preform is rotated in the heating zone, and a predetermined interval throughout the heating zone. Are arranged.
  • the air cooling means 135 is composed of a blowing means (135A) and a nozzle (135a) for the discharge of wind, supplying air at room temperature, it can supply air (or other gas) of a controlled temperature, if necessary .
  • Air supplied from the air cooling means 135 cools the preform heated by the heating means 133 so that the preliminary outer wall 31 and the preliminary partition 33 of the preform are uniformly heated (if there is no air cooling means).
  • the preliminary outer wall will heat up faster than the preliminary bulkhead, and the vessel quality (e.g. bleaching that occurs when a certain temperature is exceeded during PET heating) due to the heterogeneous heating of the preform and the temperature characteristics of the resin (e.g. : Causes problems with transparency, outer wall and bulkhead thickness unevenness),
  • the air introduced for cooling is discharged to the upper intake port 135b ′′ of the duct D, and the air intake means 135B including the intake port may further include an intake fan 135b for control convenience.
  • the spout of the preform It is preferable to further include a shielding member 137 to prevent the heating by the heating means.
  • the heating unnecessary portion of the preform may be selected as necessary in addition to the spout portion, and the shielding member 137 is also deformed accordingly.
  • the shield member 137 preferably has a cooling water circulation path (137a).
  • the preform passing through the heating zone 130 having a predetermined section length is then introduced into the blowing zone 140.
  • the stretching rod 141 is provided for each preliminary section 33S of the preform 30.
  • a position change turning means 140E is provided at the rear end of the heating zone 130 so that the branch body 141A is correctly input.
  • the position change pivot means 140E includes three pulleys including a drive pulley connected to the motor 140e ', and has a belt 140e circulating between the three pulleys.
  • the belt 140e pivots the seating member by pivoting the contact disk 131B of the seating member 131. As a result, the direction of the preliminary partition 33 is changed while the preform 30 is pivoted.
  • the vertex portion corresponding to the long diagonal portion of the lozenge block 131D of the seating member 131 is a sensor, in particular, a proximity sensor 140d '.
  • the upper block 140D is moved in this state, the fixing pin 140d of the upper block of the block 131D It is injected into the fixing hole (131d) to firmly fix the displaced state.
  • both linear portions 130b 'of the fixed rod 131b provided below the block 131D of the seating member 131 come into contact with the movable guider 140f that is moved by the movable means 140f', it is also a preform. It serves to fix a specific alignment in the direction of the reserve bulkhead.
  • the movable guider 140f is connected to the fixed guider 140F of the blowing zone 140, and then the blowing process is performed.
  • the mold M surrounds the main portion of the finished container C body 10 and is symmetrical with two main molds 140A (interlocking two powders). Parting line is formed in the container body due to the boundary region of
  • the bottom block 140B located above the mold (the term 'bottom' is for the lower part opposite the opening of the container body and is generally referred to in the industry by reference to the container),
  • the stop block includes a stop block 140C fixed to the mold 140A to prevent the bottom block from retreating upward, and the fixing hole of the block 131D for fixing the seating member 131 ( It further includes an upper block 140D (the term 'upper' is also selected based on the spout of the manufactured container body) having a fixing pin 140d fitted to 131d.
  • the main mold 140A and the bottom block 140B of the mold M are provided with a protrusion 140p for forming the recess 11A of the container body 10, which will be described later.
  • the bottom block 140B descends and is arranged at the correct position. Then, when the [main mold 140A and the stop block 140C combination] moves to the preform and the arrangement is completed, the stretching rod is completed.
  • the branched body 141A of 141 is introduced into each of the preliminary compartments 33S of the preform 30, and at the same time, air is blown by the blower 147 under the control of the control unit B1. Through each of the preliminary compartments (33S) to form a stretch of the preform.
  • Blowing air is introduced into the preliminary compartment 33S of the preform through the air supply hole 143b of the bushing 143B via the air supply port 143A and the air passage 143a of the fixed block 143.
  • the bushing 143B is for preventing interference between the hollow rod 143a 'for feeding the stretching rod 141 formed in the center of the fixed block 143 and the aeration passage 143a.
  • the vent groove 143b has a radial structure.
  • the air supplied through the blower 147 is subjected to the primary blow molding step to have a predetermined shape through the primary blowing, as described in Patent No. 0845737, and then again to the blowing mold through the secondary blowing. It proceeds through the secondary blow molding step to obtain a container shape that matches the shape.
  • the primary blowing pressure is about 8 bar
  • the secondary blowing pressure may be 25 ⁇ 30 bar.
  • the resistance member of the blowing zone forms the core of the technology to ensure the mass production of the partitioned container manufactured by blow molding together with the air cooling means of the heating zone, and to ensure that there is no problem in the defective rate or individual container quality despite the required production speed.
  • the resistance member 145 includes a resistance rod 145A having a contact portion 145a, a cylinder 145B for raising and lowering the resistance rod, and a stretching extension of the preform. Accordingly, the resistance rod is made of an elastic means for exerting a constant resistance when the retreat rises.
  • the resistance rod 145A rises and retracts due to the blowing pressure and the stretching elongation of the preform by the stretching rod, and the spring 145C contracts.
  • control unit B1 supplies air back to the air hole 145b of the cylinder 145B to press the disk 145a 'connected to the resistance rod to Fix the elevated state and wait for the next blow molding.
  • the resistance member 145 of the blowing zone 140 has the resistance rod 145A as an essential component, and other cylinders, the lifting means of the resistance member, the elastic means, and the like may be variously modified.
  • the spring 145C may be transformed into a coil spring or a leaf spring of another structure, or the elastic means including the concept of the spring may be implemented by pneumatic (or hydraulic).
  • pneumatic (or hydraulic) elastic means may be implemented as operating pneumatic (or hydraulic) for raising and lowering the resistance rod as needed.
  • the role of suppressing the rising backward of the resistance rod during the blowing of the preform may be that the self-weight of the resistance rod functions (in this case, no elastic means is necessary).
  • the spring 145C falls when the resistance rod falls freely so as not to collide with the bottom of the preform 30 to cause deformation of the heated preform. It is desirable to have a function to slow down.
  • the disk 145a ' is preferably provided with a suitable packing to ensure airtightness or lubricity, or both.
  • the container body completed through the blowing zone 140 may be discharged as it is, or may be subjected to a parting line or a burr removal process through a postprocessing zone if necessary.
  • the postprocessing zone is blow-molded to the partition wall of the container body 10 having the partition portion 13S divided by the partition wall 13. Perforation means to form a).
  • the punching means 151 is inserted into the opening 15 of the container body as shown in Fig. 7 and has a punch 151A having a cutter 151a (having a blade similar to a puncher, which is a kind of stationery), and It is inserted into the opening 15 of the container body and includes a support 151B for supporting the partition 13 of the container body 10 during punching so that the perforation is easily performed.
  • a punch 151A having a cutter 151a (having a blade similar to a puncher, which is a kind of stationery)
  • It is inserted into the opening 15 of the container body and includes a support 151B for supporting the partition 13 of the container body 10 during punching so that the perforation is easily performed.
  • the support 151B is provided with a suction discharge passage 151b for removing debris generated when the container partition wall is punctured, if necessary, and is provided with an appropriate suction force generating means for suctioning the debris.
  • the punch of the punching means 151 may be replaced by a drill, and in this case, it is preferable that an appropriate suction removing means for removing the debris is introduced.
  • the punching means may apply the concept of a hot iron capable of heat-cutting a synthetic resin, and the punch for forming the through hole 13A in the partition wall of the container body 10 may have a iron concept. Can be applied together.
  • the terms 'container' and 'body' are used interchangeably, and basically, the term 'body' has a meaning different from 'container' when describing with 'lid'.
  • the container C according to the present invention includes a main body 10 and a partition wall 13 partitioning the accommodation space S of the main body, and the lid 15 is formed in the opening 15 of the main body 10. 20) is combined.
  • the shape of the container body 10 can be a bottle or any other shape having a narrow entrance, and the partition 13S partitioned by the partition wall is two symmetrical with the same volume, but the number is increased in the process of technology development.
  • the present invention is not limited thereto by any amount of asymmetry of the volume.
  • the main body 10 having the inner receiving space (S) is partitioned by the partition 13, the space 11, first the parting line 11B formed outside the main body 10 ) And the partition wall 13 are preferably arranged in a staggered position.
  • a parting line (11B) is a trace that remains where a mold is in contact with a molded product, usually drawn from a mold such as a mold, and is usually a thin film such as a thin convex line or fin. If the parting line 11B is formed at a position overlapping with the partition wall 13, there is a case of mutual inconsistency (Parting line-in will be perpendicular to the normal mold shape, but the molding process The bulkheads extending from the wall may not be perfectly vertical. To is a fear that a recognition occurs, the fitting line (11B) and the partition wall 13 is arranged in a 90 degree intervals when viewed on a cross-staggered position, in particular plane, you can solve this problem.
  • parting line 11B and the partition wall 13 can be arranged at mutually coincident positions, which are illustrated in a side view in the enlarged one-dot dashed line of FIG. 8.
  • the present invention is to solve the problem that the optical refraction occurs due to the partition 13 partitioning the inner receiving space (S) of the container (C) main body 10 is unfamiliar than the conventional container (13)
  • a shielding portion may be further introduced so that the partition wall is not visible at the position of the main body outer wall overlapping with the overlap.
  • such a shield may be the recess 11A, as can be seen in FIG. 8.
  • the concave portion 11A uses a preform (usually manufactured by applying a known injection method) having a divided space divided by a partition wall so as to correspond to a finished container.
  • a preform usually manufactured by applying a known injection method
  • the expansion of the bottom part of the bulkhead can be fully extended in the expansion process of 30
  • the bottom of the container may be raised upward to ensure stable uprightness and design differentiation.
  • the bottom surface often takes an uneven structure, and the bottom surface is often flat or uneven. Therefore, according to the custom design of various orders, a problem may occur in the shape of the bottom shape of the bottom of the bulkhead 13 of the container 10. It is for.
  • the container C of the present invention is introduced with a recessed part, in particular, a recessed part 11A having an upper and lower light shape.
  • the shield to prevent the partition 13 from being visible from the outside may be implemented using a matte processing method implemented in the shape of a mold during blow molding or through post-processing after the blow molding.
  • the shielding part may be implemented by repeatedly and continuously using small irregularities (which are preferably formed by a mold), thereby preventing the partition wall from being visible, and solving the problem of transparency unevenness in the side surface of the partition wall by various other shielding parts. Can be.
  • the shielding portion obtained from such matte processing or repeated concave-convex formation method may be formed together with the concave portion.
  • the lid 20 is coupled to the opening 15 of the container C body 10, in particular to a narrow spout 15A that fits into a bottle shape. do.
  • the lid 20 includes a body 21, a displacement member 23, a packing member 25, and an auxiliary lid 27.
  • the body 21 is coupled to the opening 15 of the body 10, having a corresponding spiral 21B coupled to the spiral 15a of the spout 15A around the opening 15, and the two spirals.
  • the (15a) (21B) is fully engaged, the second sealing portion 25B and the partition wall 13 of the packing member 25 must be completely matched as shown in FIG.
  • the displacement member 23 is coupled to the periphery 21A of the body 21 through the receiver 23B.
  • the cross-sectional shape of the receiver 23B is circular, but is three-dimensional. Is not a spherical shape, but a cuboid-like shape, so that the inner space 11 divided by the partition wall 13 is closed in a container C having two.
  • the displacement member 23 which can communicate with each of the three or more inner receiving spaces (e.g., manufactured in the shape of a sphere (in this case, the angle of the body) Accurate positioning in the inner space can be realized by changing the shape of the nozzle type connection part).
  • the discharging member 23 has a discharge path 23A formed at the connection portion of the nozzle type connected to the receiver 23B.
  • a locking jaw 21c for limiting the displacement angle of the displacement member 230 located in the receiving portion 21C is formed, so that the discharge passage 23A is precisely divided into two partitions ( 13S).
  • the packing member 25 which prevents the body 21 from lowering the displacement of the displacement member 23 and prevents the leakage of contents is an opening of the body when the body 10 and the lid 20 body 21 are coupled to each other.
  • It consists of 25 A of 1st sealing parts for upper parts (contact
  • the packing member 25 is in communication with the inner partition 13S of the main body between the two sealing portions (25A, 25B), and is selectively connected to the discharge path (23A) of the displacement member (23) It is preferable to have the discharge part 25C and to be manufactured in one piece.
  • the auxiliary packing 25D may be further provided.
  • the auxiliary packing may be manufactured separately from the packing member 25 or may be integrally formed. It can be prepared as.
  • the discharging path 23A of the displacing member 23 is a neutral position in the upper portion of the body 20 of the lid 20 so as to prevent the contents of the displaced member 23 pivoting during distribution or storage. That is, it is preferable to further include an auxiliary lid 27 to keep the discharge passage (23A) in the blocked state by the second sealing portion (25B), the receiving groove is coupled to the upper end of the displacement member (23)
  • the accommodating groove 27A is formed in the center.
  • the auxiliary lid 27 is separated and a sealing film adhered to the upper surface of the opening 15 of the main body 10 and the upper surface of the partition wall 13 to prevent the leakage of contents as necessary. Is removed, and then turning the displacement member 23 to the left or right, the partition portion 13S-the discharge portion 25C of the packing member 25-the discharge path 23A of the displacement member 23 Since it is selectively discharged through) can be selectively selected for drinking different types of contents stored in the two partitions (13S) separated by the partition wall (13).
  • FIG. 12 through-holes 13A are formed in the partition 13 of the container body in the postprocessing zone described above with reference to FIGS. 1 and 7 to form an inner accommodation space.
  • Containers of one structure are shown to allow for mutual communication and to be utilized as various containers.
  • Forming method and the shape of the through hole (13A) can be varied, for example, as shown in the right one-dot chain circle enlarged in Figure 12, may simply be a plurality of circles, slits or other various forms. .
  • Such a container is useful to prevent the tea leaves (T) from discharging the contents while discharging the various tea leaves, such as green tea, and can be applied to the field of the container in which it is necessary to separate the other dust and broth from each other.
  • the lid 20A shown is fixed powder 20a so that the open powder 20b can open only the right compartment 13S of the container body 10, as shown in the enlarged one-dot chain line.
  • blow molding apparatus having a specific configuration and structure has been described with reference to the accompanying drawings, but the present invention can be variously modified, changed, and replaced by those skilled in the art. Should be construed as falling within the protection scope of the present invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

La présente invention porte sur un appareil de moulage par soufflage et un procédé de moulage destiné à produire un récipient ayant des zones internes séparées de telle sorte que l'espace de stockage est divisé au moyen d'une paroi séparatrice, sur un récipient produit par cet appareil et ce procédé, et sur une préforme pour ce récipient. Plus précisément, la présente invention se rapporte à un appareil de moulage par soufflage et à un procédé de moulage adaptés à être utilisés pour différents récipients, dans lesquels une préforme passe à travers une zone de soufflage et est moulée en un récipient, puis une partie trou découchant est formée dans une paroi séparatrice du corps du récipient à l'aide d'un moyen de perçage de trou dans une zone de post-traitement de telle sorte que les espaces de stockage internes peuvent communiquer entre eux, et l'invention porte aussi sur le récipient produit par ce procédé, et sur la préforme utilisée pour ce récipient. L'appareil de moulage par soufflage selon la présente invention comprend : une zone de soufflage qui comprend une soufflerie d'air sous l'effet de laquelle la préforme, qui a une partie d'ouverture et des zones séparées préliminaires qui sont divisées au moyen d'une paroi séparatrice préliminaire, reçoit une injection d'air à travers la partie d'ouverture de cette zone ; et une zone de post-traitement qui comprend le moyen de perçage de trou utilisé pour former la partie trou découchant dans la paroi séparatrice du corps du récipient qui, à la suite du moulage par soufflage, présente des zones séparées qui sont divisées au moyen d'une paroi séparatrice.
PCT/KR2012/009431 2011-11-11 2012-11-09 Appareil de moulage par soufflage pour récipient ayant une paroi séparatrice et préforme pour ce récipient Ceased WO2013070004A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20110117349 2011-11-11
KR10-2011-0117349 2011-11-11
KR1020110144070 2011-12-28
KR10-2011-0144070 2011-12-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11221847A (ja) * 1997-10-14 1999-08-17 Owens Brockway Plastic Prod Inc 多区分プラスチック容器及びその製造方法
JP2000501665A (ja) * 1995-12-12 2000-02-15 シデル 内部仕切を有する熱可塑性容器製造用のプリフォーム
KR20060077983A (ko) * 2004-12-30 2006-07-05 주식회사 효성 다층용기의 제조방법
KR100635801B1 (ko) * 1999-06-09 2006-10-19 한센 베른트 적어도 두 개의 챔버를 갖는 압출 블로우 성형 용기를제조하는 방법
KR100845737B1 (ko) * 2007-09-05 2008-07-11 김양수 분할된 수용공간을 갖는 용기의 블로잉 성형방법 및 그용기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000501665A (ja) * 1995-12-12 2000-02-15 シデル 内部仕切を有する熱可塑性容器製造用のプリフォーム
JPH11221847A (ja) * 1997-10-14 1999-08-17 Owens Brockway Plastic Prod Inc 多区分プラスチック容器及びその製造方法
KR100635801B1 (ko) * 1999-06-09 2006-10-19 한센 베른트 적어도 두 개의 챔버를 갖는 압출 블로우 성형 용기를제조하는 방법
KR20060077983A (ko) * 2004-12-30 2006-07-05 주식회사 효성 다층용기의 제조방법
KR100845737B1 (ko) * 2007-09-05 2008-07-11 김양수 분할된 수용공간을 갖는 용기의 블로잉 성형방법 및 그용기

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