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WO2019100131A1 - Emballage du type sac ou grand sac et procédé d'obtention d'un emballage du type sac ou grand sac - Google Patents

Emballage du type sac ou grand sac et procédé d'obtention d'un emballage du type sac ou grand sac Download PDF

Info

Publication number
WO2019100131A1
WO2019100131A1 PCT/BR2018/050432 BR2018050432W WO2019100131A1 WO 2019100131 A1 WO2019100131 A1 WO 2019100131A1 BR 2018050432 W BR2018050432 W BR 2018050432W WO 2019100131 A1 WO2019100131 A1 WO 2019100131A1
Authority
WO
WIPO (PCT)
Prior art keywords
raffia
film
polymeric
adhesion
coating layer
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/BR2018/050432
Other languages
English (en)
Portuguese (pt)
Inventor
Marcelo Funaro Vivolo
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.)
Embrasatec Industria E Comercio De Embalagens Ltda
Original Assignee
Embrasatec Industria E Comercio De Embalagens Ltda
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 Embrasatec Industria E Comercio De Embalagens Ltda filed Critical Embrasatec Industria E Comercio De Embalagens Ltda
Publication of WO2019100131A1 publication Critical patent/WO2019100131A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/02—Sacks with laminated or multiple walls
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction

Definitions

  • the present invention relates to a raffia bag or bag type package, particularly designed for the conditioning, transport and handling of powdered and / or bulk solids, the construction of which enables the use of glue to be its manufacture of an aluminum coating that, in addition to protecting the packaged product from light and serving as an excellent barrier against moisture, still offers an aesthetically attractive packaging.
  • the present invention further relates to a method for obtaining a bag or bag type package such as the above.
  • Bagpipes or raffia sacs have been known for many decades and are widely used for the packing of various products, particularly solid powder and / or bulk materials such as soil, fertilizers, grains, sugar, coffee, flour , feed, PVC compounds, cement, among many others.
  • Raffia packages consist of several flat strips, a width of a few millimeters, manufactured by means of an extrusion process of a polymer such as polypropylene or polyethylene or other fibers or mixtures of fibers. These raffia tapes are oriented, drawn and rolled into tubes to be woven, resulting in a polymeric fabric. More resistant and inviolable, raffia guarantees an effective protection against moisture, its surface and the action of rodents, important characteristics for food storage.
  • Raffia sacs are available in traditional sewn versions or in more modern versions, where the closure is made by adhesive or welding. And put- It is possible to choose and combine several characteristics for raffia sacs such as aperture type, size, type of lamination, etc.
  • a polymer substrate preferably polypropylene
  • the polymeric substrate is applied to the outer portion of the bag, being pressed on both sides, the front and back sides of the bag.
  • the lamination in which, in addition to the normal lamination, a polymer film is produced which is placed on the lamination.
  • the lamination is done with an extruder that melts the polymer and applies over the raffia fabric.
  • the polymer film is placed on the lamination, in particular in cases where an extra barrier is required.
  • the lamination itself functions as an adhesive for the polymer film, since the polymeric substrate is applied hot.
  • the polymer film may be comprised of cast polypropylene (CPP) or biaxially Oriented Polypropylene (BOPP), among others. It should be noted that BOPP polymer film is particularly used for cases where high print quality is required.
  • the object of the present invention is to provide a raffia bag or bag-type package, particularly designed for the packaging, transport and handling of powdered and / or bulk solids, provided with an aluminum coating which, in addition to protect the packaged product from light, that is, offer photoprotection, and function as an excellent barrier against moisture, yet offers an aesthetically attractive consumer balloon with high print quality.
  • the present invention relates to a raffia bag or bag type package having a raffia body and at least one raffia closure, both formed by a polymeric fabric, the body defining a first end portion and a second an end portion opposite the first end portion, the at least one closure cap being associated with at least one of the first and second end portions, wherein at least one coating layer is applied to the polymeric fabric of the body.
  • the invention relates to a metal composition, the combinations between the at least one closure layer and the at least one of the first and second end portions and between the polymeric fabric of the body and the at least one coating layer being made by welding, that on the body a polymeric substrate is laminated on which are applied sequentially at least a first adhesive layer, the coating layer and, on the coating layer, at least one second adhesion layer is applied, the first adhesion layer, the coating layer and the second adhesion layer forming a film, the first and the second adhesion bed being of polymer composition and the substrate polymeric action being kept molten when applied on the body, the adhesion of the film to the polymer substrate occurring.
  • the present invention further relates to a method for obtaining a raffia bag or bag type package as defined above which comprises the steps of:
  • the present invention also relates to a raffia bag or drawer package having a raffia body and at least a raffia closure cap, both formed of a polymeric fabric, the body defining a first end portion and a second end portion opposite the first portion of the ex- the at least one closure layer being associated with at least one of the first and second end portions, wherein a polymer substrate is laminated on the body, wherein a film is provided on the polymer substrate comprising at least a first polymer composition adhesion layer at least one coating layer of metal composition and at least one polymer composition adhesion layer, the polymer substrate being maintained molten when applied onto the body, the adhesion of the film to the polymer substrate , the associations between the at least one closure cap and the at least one of the first and second end portions and between the polymeric fabric of the body and the film being made by welding, the polymeric substrate being composed of at least one of the materials selected from polypropylene and / or polyethylene and / or ethylene vinyl acetate
  • the present invention relates to a method for obtaining a raffia bag or bag type package, as defined above, which comprises the steps of:
  • Figure 1 is a perspective view of the package of the present invention
  • Figure 2 is a perspective view of the package of the present invention having one of its ends folded and closed by a cover;
  • Figure 3 is a schematic representation of a preferred embodiment of the package of the present invention.
  • the present invention relates to a package 1 of the safflower or raffia type whose composition of its elements allows the association by welding them automatically and without the use of glue, giving it a range of advantages according to the invention. objectives of the invention.
  • Figures 1 to 3 illustrate an exemplary embodiment of a package 1 according to the present invention.
  • raffia is to be understood as a synthetic compound that forms an interwoven fabric.
  • the raffia is composed of a polyethylene or polypropylene fabric, or a mixture between both of these polymers.
  • the present invention can be realized from raffia composed of other polymers or mixtures of polymers without harming or changing the proposed technical effect.
  • raffia sacs obtained by were not equipped with a metallized finish which, in addition to providing the reinforcement and mechanical resistance required for safe transport and handling, also offered a photoprotection factor, barrier against moisture, in addition to being aesthetically attractive to the consumer.
  • welding is to be understood as the process of joining two polymers by applying heat at their interface and subsequently heating them to join their surfaces. This heating is carried out up to the softening point of the material to be welded.
  • the novel innovative differential of the present invention is to provide a welded package 1 capable of receiving an aluminum film with excellent adhesion since typically, the aluminum does not adhere to the polymeric substrate 10, typically used in the art
  • the present invention relates to an evolution of the present raffia packs 1.
  • Figures 1 and 2 illustrate the carton 1 of the present invention in its preferred standing configuration and lying with its folded shoulders, respectively.
  • the package 1 essentially comprises a body 2 formed of a polymeric film and suitable for receiving the material to be stored.
  • a body 2 comprises a wall of thin thickness, or film, which limits an inner region where the material will be stored.
  • the body 2 may comprise a cylindrical, rectangular or any other geometry suitable for receiving and storing material.
  • the body 2 of the package 1 comprises a first end portion 3 which forms a first surface 3 'and a second end portion 4, opposite the first end portion 3, which forms a second surface 4', such as as shown in figure 1.
  • the first color end portion 3 responds to the inlet or filling portion of the package 1, in which a fill valve 6 may or may not be provided, and the second end portion 4 corresponds and should be interpreted as the bottom portion and / or the adjacent portions of the package 1.
  • the carton 1 is provided with at least one raffia cap 5 formed by a polymeric fabric, the at least one closure cap 5 being associated with at least one of the first and second end portions 3,4.
  • the construction of the package 1 of the present invention by the use of a closure cap 5 welded to the body 2 allows one to obtain the advantage of the final "palletizable" shape of the package (generally substantially rectangular, and suitable for stacking, trans pallets or not) without the need for glue, thus allowing for easy storage and transport and easier and more efficient recycling of the packaging.
  • the body 2 as well as the first and second surfaces 3 ', 4' are formed in a tubular polymeric fabric, the so-called raffia, which receives at least one coating layer 13 of metal composition.
  • the raffia body 2 receives a polymeric substrate 10 laminated on the body 2, a film 11 consisting of at least one first adhesion layer 12 of which is applied to the polymer substrate 10. at least one coating layer 13 of metal composition and at least one second layer of polymer composition 14, so that the polymeric substrate 10 is held molten when applied onto the body 2, providing the adhesion of the film 11 on the polymeric substrate 10.
  • the polymeric substrate 10, the first adhesion layer 12 and the second adhesion layer 14 are composed, preferably, but not necessarily, of at least one of the materials selected from polypropylene and / or polyethylene and / or ethylene acetate.
  • the first adhesion layer 12 is sealable, i.e., has a composition having chemical parity with the composition of the polymeric substrate 10, in order to provide the correct adhesion of the film 11 to the polymeric substrate 10.
  • the coating layer 13 is formed of an aluminum film so that the application of the first and second adhesion layers 12, 14 makes it possible to weld the metal film coating layer 13 on the polymeric substrate 10.
  • the process for applying a polymeric film to a polymeric substrate 10 is such that a warm air is blown at about 600 ⁇ ° C onto the already laminated package 1, in order to soften the substrate 10.
  • a pressure is then applied by means of rollers which weld between the softened polymeric substrate 10 and the polymeric film.
  • the composition of the substrate 10 and the film are identical, they have the same softening point, it being possible to carry out the welding.
  • the softening point is not identical to that of the polymer substrate 10, so that the metal film does not adhere to the substrate 10.
  • the metal film coating layer 13 is applied between the first and second adhesion layers 12, 14 of polymeric film, by welding the coating layer 13 on the polymeric substrate 10.
  • a rolling process can be devised in which metallic particles are added to the polymeric substrate 10, and it is not necessary to apply a metallic film to the coating, since the polymeric substrate 10 would already be metallized .
  • the film 11 is known in the market, mainly used in food packaging, such as coffee, snack foods and the like. However, there is no commercially available film 11 in a raffia-type package 1.
  • packages found in the prior art do not exhibit the necessary strength and mechanical strength of raffia sachet packaging.
  • the raffia fabric has a complex braided construction, which confers the necessary strength to the package 1.
  • the package 1 of the present invention is obtained by a method comprising the steps of:
  • Step ii) laminating the polymeric substrate 10 onto the body 2, the polymeric substrate 10 being maintained in a molten state for the accomplishment of subsequent step iii);
  • Step iv compression adhesion of the body 2 and the film 11 on the polymeric substrate 10.
  • the package 1 of the present invention confers: [0058] i. photoprotection to the product, being particularly used in animal feed storage, once the light input can change the composition of the product;

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Abstract

La présente invention concerne un emballage (1) du type sac ou grand sac de raphia, destiné notamment au conditionnement, au transport et à la manipulation de solides en poudre et/ou en vrac, comprenant un corps (2) de raphia formé par un tissu polymère, lequel reçoit au moins une couche de revêtement (13) de composition métallique, l'emballage (1) étant obtenue par soudage et pouvant protéger le produit emballé contre la lumière, c'est-à-dire offrir une photoprotection, fonctionner comme une excellente barrière à l'humidité et, par ailleurs, offrir un emballage (1) esthétiquement attractif au consommateur, avec une qualité d'impression élevée.
PCT/BR2018/050432 2017-11-23 2018-11-22 Emballage du type sac ou grand sac et procédé d'obtention d'un emballage du type sac ou grand sac Ceased WO2019100131A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR102017025098-9 2017-11-23
BR102017025098-9A BR102017025098A2 (pt) 2017-11-23 2017-11-23 Embalagem do tipo saco ou sacaria, e método para obtenção de embalagem do tipo saco ou sacaria

Publications (1)

Publication Number Publication Date
WO2019100131A1 true WO2019100131A1 (fr) 2019-05-31

Family

ID=66630405

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2018/050432 Ceased WO2019100131A1 (fr) 2017-11-23 2018-11-22 Emballage du type sac ou grand sac et procédé d'obtention d'un emballage du type sac ou grand sac

Country Status (2)

Country Link
BR (1) BR102017025098A2 (fr)
WO (1) WO2019100131A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445055A (en) * 1966-04-28 1969-05-20 Parker Pace Corp Reinforced laminated plastic materials
US4629640A (en) * 1984-01-19 1986-12-16 Fuji Photo Film Co., Ltd. Packaging materials for photosensitive materials
US5845995A (en) * 1994-05-04 1998-12-08 Starlinger & Co. Gesellschaft Mbh Bag made of polymer and especially polyolefine fabric and process for producing it
BR102014000361A2 (pt) * 2014-01-07 2015-11-17 Ricardo Vivolo embalagem do tipo saco ou sacaria
WO2017220712A1 (fr) * 2016-06-23 2017-12-28 Starlinger & Co Gesellschaft M.B.H. Sac ou emballage de type sac

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445055A (en) * 1966-04-28 1969-05-20 Parker Pace Corp Reinforced laminated plastic materials
US4629640A (en) * 1984-01-19 1986-12-16 Fuji Photo Film Co., Ltd. Packaging materials for photosensitive materials
US5845995A (en) * 1994-05-04 1998-12-08 Starlinger & Co. Gesellschaft Mbh Bag made of polymer and especially polyolefine fabric and process for producing it
BR102014000361A2 (pt) * 2014-01-07 2015-11-17 Ricardo Vivolo embalagem do tipo saco ou sacaria
WO2017220712A1 (fr) * 2016-06-23 2017-12-28 Starlinger & Co Gesellschaft M.B.H. Sac ou emballage de type sac

Also Published As

Publication number Publication date
BR102017025098A2 (pt) 2019-06-11

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