JP4573651B2 - Tube container - Google Patents

Description

  The present invention relates to a tube container, and more particularly to a so-called multi-chamber separated type tube container composed of an outer tube and an inner tube.

  The tube container contains, for example, cosmetics, daily necessities, adhesives, etc. in the form of paste, cream, jelly, etc. as the contents, and by pressing the body of the container, the contents can be removed from the spout. It is a container that can be poured out easily. In addition, when contents with different tones are poured out at the same time to give a unique color sensation, contents that are mixed and used at the time of use are stored separately to prevent deterioration due to chemical reaction during storage In some cases, a two-chamber separation type tube container that can store the contents in a separated state is used.

The two-chamber separated tube container is generally composed of an outer tube and an inner tube attached to the outer tube, and a device for smoothly and simultaneously dispensing the contents contained in each chamber, Various devices for easily and smoothly positioning the mouth part of the inner tube on the mouth part have been made (for example, see Patent Document 1).
JP 2003-118752 A

  In the tube container of Patent Document 1, by attaching the inner tube via the hinge cap, the neck portion of the inner tube can be easily positioned and fixed without any change to the structure of the outer tube to which the hinge cap is attached. Is possible. Compared to the case of using a screw cap, it is not necessary to rotate the ceiling plate of the cap, so that it is possible to avoid the overflow of the contents from each chamber at the spout and to prevent the mixing of the contents that have been caught. It becomes possible to do. In addition, the outer tube and the inner tube can be easily pressed to the end, and an excellent function that it is possible to effectively avoid the remaining amount of contents in each tube is exhibited. Become.

  On the other hand, depending on the user, the hinge cap may be mistaken for the screw cap and rotated with respect to the outer tube, or the hinge cap may be rotated with respect to the outer tube in order to adjust the orientation of the hinge cap to the desired orientation. In order to cope with such an erroneous operation, further improvement is desired.

  Even if the hinge cap is accidentally rotated with respect to the outer tube, the neck portion of the inner tube is removed from the spout or the inner tube is twisted so that the contents are removed from the inner tube and the outer tube at a predetermined ratio. It aims at providing the tube container which can avoid that it becomes impossible to pour out.

  The present invention is a so-called multi-chamber separated tube container that includes an outer tube that covers a mouth portion and has a hinge cap attached thereto, and an inner tube that is attached to the inside of the outer tube. The outer tube is fitted with an outer tube fitting portion and a lid portion for opening and closing a circular cross-section spout opening formed in the outer tube attachment portion, and the mouth portion of the inner tube has a circular cross-section spout A tip mounting portion having an annular cross section having an arcuate outer peripheral surface along the shape of the inner peripheral surface of the tip mounting portion, and holding the arc outer peripheral surface of the tip mounting portion so as to be slidable along the inner peripheral surface of the spout. Providing a tube container in which the neck portion of the inner tube is rotatably positioned at the spout by attaching the tip mounting portion to the spout in a state. More, in which to achieve the above objects.

  According to the tube container of the present invention, even when the hinge cap is accidentally rotated with respect to the outer tube, the neck portion of the inner tube is removed from the spout, or the inner tube is twisted to cause a predetermined amount from the inner tube and the outer tube. It can be avoided that the contents cannot be poured out at a rate.

  A tube container 10 according to a preferred embodiment of the present invention shown in FIGS. 1A and 1B is a multi-chamber separated tube container containing, for example, a dentifrice as a content, and is hinged to the mouth 12. It is comprised by the outer tube 11 with which the cap 14 was mounted | worn, and the inner tube 13 attached to the inner side of the outer tube 11, for example. In the tube container 10 of the present embodiment, a dentifrice containing a component made of, for example, sodium fluoride is added to the first chamber 15 between the outer tube 11 and the inner tube 13, for example, in the second chamber inside the inner tube 13. 16 contains, for example, dentifrices containing a component made of calcium salt, for example, which are filled and accommodated as contents, and these can be used while being poured from the spout 17 of the hinge cap 14 at substantially the same amount simultaneously. It is to make.

  In the multi-chamber separated tube container, as will be described later, the lower end portion of the inner tube 13 is heat-sealed in a band shape together with the lower end portion of the outer tube 11 and fixed to the outer tube 11 so as not to rotate. . The tube container 10 according to the present embodiment is a multi-chamber separated type tube container such that the user hinges the outer tube 11 with the hinge cap 14 at the upper end of the outer tube 11 in a desired direction. Even when the cap 15 is accidentally rotated, the neck 19 of the inner tube 11 with the lower end fixed is detached from the spout 17 of the hinge cap 15, or the inner tube 13 is twisted to disengage from the inner tube 13 and the outer tube 11. It is possible to effectively prevent the dentifrice from being dispensed at a predetermined ratio.

  And the tube container 10 of this embodiment is the inner side of the outer tube 11 which covered the mouth part 12, the hinge cap 14 was mounted | worn, and the at least 1 body (1 body in this embodiment) attached to the inner side of the outer tube 11. The tube cap is a multi-chamber separated tube container composed of a tube 13, and the hinge cap 14 includes an outer tube mounting portion 27 into which the outer tube 11 is fitted, and a circular cross-section spout 17 formed in the outer tube mounting portion 27. The mouth portion 19 of the inner tube 13 includes an annular cross-section distal end mounting portion 26 having an arc-shaped outer peripheral surface 26 a that follows the shape of the inner peripheral surface of the circular outlet spout 17. In the state where the arc-shaped outer peripheral surface 26 a of the tip mounting portion 26 is held so as to be slidable along the inner peripheral surface of the spout 17, the tip mounting portion 26 is By mounting 7, the mouth neck part 19 of the inner tube 13 is adapted to be positioned so as to be rotatable spout 17 of the hinge cap 14.

  Further, in this embodiment, as shown in FIGS. 2 and 3, the center portion of the spout 17 having a circular cross section of the hinge cap 14 is supported by, for example, the support beam 20 from the opening peripheral portion of the spout 17. The distal end mounting portion 26 of the inner tube 13 is provided with a fan-shaped cross-sectional shape 34 that is rotatably locked to the central shaft member 20, so that the distal end mounting portion 26 is provided. The arc-shaped outer peripheral surface 26 a is held so as to be rotatable and slidable along the inner peripheral surface of the spout 17.

  Further, in the present embodiment, lateral ribs 40 and 41 extending in the circumferential direction are provided on the inner peripheral surface of the spout 17 and the arc-shaped outer peripheral surface 26 a of the tip mounting portion 26.

  The outer tube 11 has a barrel portion 21 preferably formed in a cylindrical shape by a resin film material having excellent barrier properties such as an aluminum laminate film, a silica vapor deposited film, an ethylene / vinyl alcohol copolymer film, and the like. It can be easily obtained by thermally joining a circular mouth 23 formed integrally with the shoulder 22 and the mouth 12 to one end (upper end). In addition, as the oral head 23 of the outer side tube 11, the well-known various thing using polyolefin resin generally used as an oral head of a tube container can be used. The other end (lower end) of the body 21 of the outer tube 11 is band-shaped together with the other end of the inner tube 13 after the dentifrice is filled and accommodated in the first chamber 15 and the second chamber 16. Each dentifrice is sealed inside the first chamber 15 and the second chamber 16, respectively.

  The inner tube 13 is preferably made of a polyolefin-based resin, and the body portion 24 and the mouth head portion 25 are integrally formed by blow molding or the like. The inner tube 13 is made of a material softer than the material of the hinge cap 14 to be described later, and the tip mounting portion 26 having the fan-shaped cross-sectional shape 34 of the mouth 19 constituting the upper portion of the oral head 25 is connected to the hinge cap 14. The spout 17 having a circular cross section can be smoothly inserted and locked while being compressed and deformed, for example. The other end portion (lower end portion) of the body portion 24 of the inner tube 13 is band-shaped together with the other end portion of the outer tube 11 after the dentifrice is filled and accommodated in the first chamber 15 and the second chamber 16. The dentifrice is sealed inside the second chamber 16.

  Here, the fan-shaped cross-sectional shape 34 of the distal end mounting portion 26 of the inner tube 13 is a figure surrounded by one arc and a radius drawn at both ends thereof, and a semicircular cross-sectional shape having a central angle of 180 degrees, Also included are fan-shaped cross-sections with a central angle exceeding 180 degrees. According to this embodiment, it is preferably a semicircular fan-shaped cross-sectional shape 34 having a central angle of 180 degrees so that the spout 17 can be divided into two equal parts (see FIG. 3). Further, a semicircular locking notch 34 b is provided in the main part 34 a of the sector cross-sectional shape 34 along the outer peripheral shape of the cylindrical central shaft member 18. Furthermore, in the present embodiment, the radial portion 34 c of the sector cross-sectional shape 34 is disposed along the support beam 20 at a position overlapping with the radial portion 34 c.

  As shown in FIG. 4, the hinge cap 14 is preferably made of a polyolefin-based resin, and includes an outer tube mounting portion 27 and a lid portion 28 hinged to the outer tube mounting portion 27 by injection molding or the like. It can be easily obtained by forming it integrally. The outer tube mounting portion 27 is mounted so as to cover the mouth portion 12 from the outside and fit into the upper end portion of the outer tube 11 from above. For example, the distal end locking of the cylindrical locking sleeve 29 provided on the lower surface side of the base plate 33 is mounted. The protrusion 30 (see FIG. 2) is fixed to the upper end portion of the outer tube 11 by being locked to locking ribs 31 formed along the outer peripheral surface of the mouth neck portion 12. As a result, the spout 17 having a circular cross section formed in the center of the outer tube mounting portion 27 is disposed concentrically with the upper end opening inside the upper end opening of the neck portion 12 of the outer tube 11. .

  Further, the outer peripheral tube mounting portion 27 has a cylindrical peripheral wall 32 surrounding the spout 17 so that the inner peripheral surface thereof stands vertically with the base plate 33 of the outer tube mounting portion 27, and above the base plate 33. It is provided so as to project continuously downward. In addition, a support beam 20 is integrally installed on the upper end portion of the spout 17 in the diameter direction that divides the circular upper end opening of the spout 17 into two equal parts, for example, with the end supported by the peripheral wall 32. At the center of the support beam 20, there is provided a cylindrical rod-shaped central shaft member 18 that is integrally joined to the support beam 20 and extends downward. In the present embodiment, the support beam 20 is provided along the opening / closing direction X (see FIG. 5B) of the lid 28 with respect to the outer tube mounting portion 27, and the central shaft member 20 is located below the base plate 33. It is provided with a length. In addition, in this embodiment, since the mouth part 19 of the inner tube 13 is positioned and fixed to the mouth part 12 of the outer tube 11 through the hinge cap 14, a special improvement for locking the inner tube 13 to the outer tube 11 is performed. It is possible to use the same thing as a conventional general outer tube, without adding anything.

  As shown in FIGS. 5A and 5B, the lid portion 28 of the hinge cap 14 is rotatably joined to the outer tube attachment portion 27 via the hinge joint portion 35 and is opened to the outer tube attachment portion 27. The formed spout 17 having a circular cross section is opened and closed. Further, as shown in FIG. 2, a rib groove 37 formed by a pair of annular ribs is provided on the inner side surface of the ceiling plate 36 of the lid portion 28 at a position corresponding to the peripheral wall 32 of the outer tube mounting portion 27. . Furthermore, a linear contact rib 38 is provided at a position corresponding to the support beam 20 that divides the upper end opening of the spout 17 of the outer tube mounting portion 27 into two equal parts. When the mouth portion 17 is closed by the lid portion 28, the upper end of the peripheral wall 32 is inserted and locked into the rib groove 37, and the sealing state of the spout 17 is maintained. In addition, the linear upper end of the support beam 20 abuts against the abutment rib 38, so that the first chamber 15 and the first chamber 15 and the first chamber 15 in the manufacturing state before the hinge cap 14 is accidentally rotated with respect to the outer tube 11. The two chambers 16 are surely partitioned even at the tip portion.

  In the present embodiment, as shown in FIG. 4, lateral ribs 40 extending in the circumferential direction are provided on the inner peripheral surface of the spout 17 having a circular cross section so as to be sandwiched between upper and lower guide grooves 42. In the arcuate outer peripheral surface 26a of the distal end mounting portion 26 of the inner tube 13, lateral ribs 41 extending in the circumferential direction are formed in two stages. When the distal end mounting portion 26 of the inner tube 13 is inserted and locked into the spout 17 of the hinge cap 14, the guide rib is snap-shaped while the lateral rib 41 of the distal end mounting portion 26 gets over the lateral rib 40 of the spout 17. By falling into 42 and being locked to the lateral rib 40, the mouth portion 19 of the inner tube 13 is positioned more firmly and reliably at the spout 17 of the hinge cap 14 while maintaining a rotatable state. It will be.

  In the present embodiment, when the tube container 10 filled with dentifrice is produced, prior to the step of filling the first chamber 15 and the second chamber 16 with the dentifrice respectively in the production line of the tube container 10, A simple operation of simply inserting and locking the distal end mounting portion 26 of the mouth neck portion 19 of the inner tube 13 to the spout 17 of the hinge cap 14 while keeping the arcuate outer peripheral surface 26 a along the inner peripheral surface of the spout 17. Accordingly, the mouth neck portion 19 of the inner tube 13 can be easily positioned in a state where it can be rotated to the spout 17 of the cap 14. This makes it possible to effectively prevent the displacement of the inner tube 13 inside the outer tube 11 until the other end is heat sealed. After that, the first chamber 15 and the second chamber 16 are filled with a dentifrice, and the other end of the barrel 21 of the outer tube 11 and the other end of the barrel 24 of the inner tube 13 are overlapped and heat-sealed in a band shape. As a result, the tube container 10 containing the dentifrice is commercialized.

  And according to the tube container 10 of this embodiment, even when a user accidentally rotates the hinge cap 14 with respect to the outer tube after being commercialized, the neck 19 of the inner tube 13 from the spout 17 is provided. It is possible to effectively prevent the toothpaste from being removed or the inner tube 13 from being twisted and being unable to dispense the dentifrice from the inner tube 13 and the outer tube 11 at a predetermined ratio. That is, according to the present embodiment, the mouth neck portion 19 of the inner tube 13 has an annular cross-section distal end mounting portion 26 having an arc-shaped outer peripheral surface 26 a that follows the shape of the inner peripheral surface of the circular cross-section spout 17 of the hinge cap 14. By attaching the tip mounting portion 26 to the spout 17 while holding the arc-shaped outer peripheral surface 26a of the tip mounting portion 26 so as to be rotatable and slidable along the inner peripheral surface of the spout 17, the inner tube 13 mouthpieces 19 are rotatably positioned at the spout 17 of the hinge cap 14 attached to the upper end of the outer tube 11. Thereby, even when the hinge cap 14 rotates with respect to the outer tube 11, the neck portion 19 of the inner tube 13 follows the hinge cap 14 by rotating and sliding along the inner peripheral surface of the spout 17. The mounting position of the mouth portion 19 of the inner tube 13 relative to the mouth portion 12 of the outer tube 11 is maintained without co-rotating, and the inner tube 13 is effectively prevented from coming off or twisting. Is possible.

  6 (a) to 6 (c) show a tube container according to another embodiment of the present invention, in which a tip mounting portion 50a, 50b having an annular cross section of another shape is formed at the spout 17 having a circular cross section of the hinge cap 14. , 50 c and the neck 19 of the inner tube 13 is positioned so as to be pivotable to the spout 17. That is, FIG. 6A shows that the tip mounting portion 50a having an arcuate outer peripheral surface having a sector cross section with a central angle of 120 degrees is mounted on the spout 17 and the support beam 20a that supports the central shaft member 18 is radiated. Three are provided at equal angular intervals in the direction. FIG. 6 (b) shows that the tip mounting portion 50b having an arcuate outer peripheral surface with a sector cross section having a central angle of 90 degrees is mounted on the spout 17 and the support beam 20b that supports the central shaft member 18 is disposed in the radial direction. Four are provided at equal angular intervals. FIG. 6C shows a tube container in which two inner tubes are attached to the inner side of the outer tube, and two tip mounting portions 50c each having an arcuate outer peripheral surface with a fan-shaped cross section having a central angle of 120 degrees are mounted on the spout 17. In addition, three support beams 20c that support the central shaft member 18 are provided at equal angular intervals in the radial direction.

  Even when the hinge cap 14 is rotated with respect to the outer tube 11 by the tube container to which the inner tube 13 having the tip mounting portions 50a, 50b, and 50c shown in FIGS. When the neck portion 19 of the inner tube 13 rotates and slides along the inner peripheral surface of the spout 17, the neck portion 19 of the inner tube 13 with respect to the mouth portion 12 of the outer tube 11 does not rotate even if it follows the hinge cap 14. The same effect as the tube container of the said embodiment is produced. Further, the central shaft member 18 can be supported in a more stable state by the three or more support beams 20a, 20b, 20c provided in the radial direction.

  7 (a) to 7 (c) show, in a tube container according to still another embodiment of the present invention, a tip mounting portion 51a having an annular cross section of another shape at the spout 17 having a circular cross section of the hinge cap 14. 51b and 51c are mounted, and the neck 19 of the inner tube 13 is positioned to the spout 17 so as to be rotatable. That is, FIG. 7A shows a tip mounting portion 51a having a shape in which both ends of an arc-shaped outer peripheral surface provided at a central angle slightly exceeding 180 degrees are linearly connected by a flat surface. It is what was attached. FIG. 7B shows the spout 17 mounted with a tip mounting portion 51b having a shape in which both ends of an arc-shaped outer peripheral surface provided at a central angle of about 270 degrees are linearly connected by a flat surface. is there. FIG. 7 (c) is a view in which a tip mounting portion 51 c having a shape in which both ends of an arc-shaped outer peripheral surface provided at a central angle of approximately 270 degrees are connected in an arc shape by a curved surface is mounted on the spout 17.

  Even when the hinge cap 14 is rotated with respect to the outer tube 11 by the tube container to which the inner tube 13 having the tip mounting portions 51a, 51b, 51c shown in FIGS. When the neck portion 19 of the inner tube 13 rotates and slides along the inner peripheral surface of the spout 17, the neck portion 19 of the inner tube 13 with respect to the mouth portion 12 of the outer tube 11 does not rotate even if it follows the hinge cap 14. The same effect as the tube container of the said embodiment is produced. In addition, since the arc-shaped outer peripheral surface is provided at a central angle of 180 degrees or more, the arc-shaped outer peripheral surfaces of the tip mounting portions 51a, 51b, 51c can be connected to the spout 17 without providing a central shaft member at the center of the spout 17. The arcuate outer circumferences of the tip mounting portions 51a, 51b, 51c can be stably provided by providing an arcuate outer circumference surface with a central angle exceeding 180, in particular. The surface can be held slidably along the inner peripheral surface of the spout 17.

  The present invention is not limited to the above-described embodiments, and various modifications can be made. For example, it is not always necessary to provide lateral ribs extending in the circumferential direction on both the inner peripheral surface of the spout and the arc-shaped outer peripheral surface of the tip mounting portion, and the inner peripheral surface of the spout or the arc-shaped outer peripheral surface of the tip mounting portion is not necessarily provided. Only one of them can be provided with a horizontal rib, and it is not necessary to provide a horizontal rib on either. Furthermore, the tube container of the present invention is not limited to a dentifrice, and can also be used as a container for storing various other contents such as cosmetics, daily necessities, and adhesives.

(A) is a front view of the state before accommodation of the contents of the tube container which concerns on preferable one Embodiment of this invention, (b) is the same sectional drawing. It is sectional drawing which shows the principal part of the tube container which concerns on preferable one Embodiment of this invention. It is sectional drawing along AA of FIG. It is an enlarged view of the part by which a front-end | tip mounting part is mounted | worn at a spout. (A) is the top view which looked at Fig.1 (a) of the tube container which concerns on preferable one Embodiment of this invention from upper direction, (b) is the same top view of the state which opened the cover part of the hinge cap. (A)-(c) is sectional drawing which illustrates the other form which mounts the front-end | tip mounting part of an inner tube so that rotation sliding is possible along the internal peripheral surface of the spout of a hinge cap. (A)-(c) is sectional drawing which illustrates the other form which mounts the front-end | tip mounting part of an inner tube so that rotation sliding is possible along the internal peripheral surface of the spout of a hinge cap.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Tube container 11 Outer tube 12 Outer tube mouth part 13 Inner tube 14 Hinge cap 17 Outlet 18 Central shaft member 19 Inner tube mouth parts 20, 20a, 20b, 20c Support beams 26, 50a, 50b, 50c, 51a, 51b, 51c Inner tube tip mounting portion 26a Arc mounting outer surface 27 of tip mounting portion Hinge cap outer tube mounting portion 28 Hinge cap lid portion 32 Perimeter wall 33 surrounding spout port Base plate 34 Fan-shaped cross-sectional shape 34a Fan-shaped cross-sectional shape required 34b Locking notch 35 Hinge joint 38 Contact rib 40, 41 Lateral rib 42 Guide groove

Claims (3)

A tube container having an outer tube covering a mouth portion and having a hinge cap attached thereto, and an inner tube attached to the inner side of the outer tube;
The hinge cap is composed of an outer tube mounting portion into which the outer tube is fitted, and a lid portion for opening and closing a spout having a circular cross section formed in the outer tube mounting portion.
The mouth portion of the inner tube includes an annular cross-section tip mounting portion having an arc-shaped outer peripheral surface along the shape of the inner peripheral surface of the circular cross-section spout,
The tip mounting portion is mounted on the spout in a state where the arc-shaped outer peripheral surface of the tip mounting portion is rotatably slidable along the inner peripheral surface of the spout .
A central shaft member supported from the peripheral edge of the opening of the spout is provided at the center of the spout of the circular cross section,
The tip mounting portion is a figure surrounded by one arc and a radius drawn at both ends thereof, and an annular shape having a shape along the outer periphery of a fan-shaped cross section in which a main portion is rotatably locked to the central shaft member The tube container which hold | maintains the arc-shaped outer peripheral surface of the said tip mounting part so that rotation sliding is possible along the inner peripheral surface of the said spout by providing a cross section . A tube container having an outer tube covering a mouth portion and having a hinge cap attached thereto, and an inner tube attached to the inner side of the outer tube;
The hinge cap is composed of an outer tube mounting portion into which the outer tube is fitted, and a lid portion for opening and closing a spout having a circular cross section formed in the outer tube mounting portion.
The mouth portion of the inner tube includes an annular cross-section tip mounting portion having an arc-shaped outer peripheral surface along the shape of the inner peripheral surface of the circular cross-section spout,
The tip mounting portion is mounted on the spout in a state where the arc-shaped outer peripheral surface of the tip mounting portion is rotatably slidable along the inner peripheral surface of the spout.
The tip mounting portion has an annular cross section in which both ends of an arcuate outer peripheral surface provided at a central angle of 180 degrees or more are linearly connected by a flat surface, or an arcuate outer peripheral surface provided at a central angle of 180 degrees or more The tube container which hold | maintains the arc-shaped outer peripheral surface of the said front-end | tip mounting part so that rotation sliding is possible along the inner peripheral surface of the said spout by providing the circular cross section which connected the both ends of arcuately by the curved surface . The tube container according to claim 1 or 2 , wherein a lateral rib extending in a circumferential direction is provided on an inner peripheral surface of the spout and / or an arc-shaped outer peripheral surface of the tip mounting portion.

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