US20140001183A1 - Container for retention of shrink wrap - Google Patents

Container for retention of shrink wrap Download PDF

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Publication number
US20140001183A1
US20140001183A1 US13/822,411 US201113822411A US2014001183A1 US 20140001183 A1 US20140001183 A1 US 20140001183A1 US 201113822411 A US201113822411 A US 201113822411A US 2014001183 A1 US2014001183 A1 US 2014001183A1
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US
United States
Prior art keywords
container
side walls
shrink wrap
top edge
protuberances
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.)
Abandoned
Application number
US13/822,411
Other languages
English (en)
Inventor
Yukihiro Urushidani
Ronald Bailey
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.)
Nestec SA
Original Assignee
Nestec SA
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 Nestec SA filed Critical Nestec SA
Priority to US13/822,411 priority Critical patent/US20140001183A1/en
Publication of US20140001183A1 publication Critical patent/US20140001183A1/en
Abandoned 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/16—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons
    • B65B7/28—Closing semi-rigid or rigid containers or receptacles not deformed by, or not taking-up shape of, contents, e.g. boxes or cartons by applying separate preformed closures, e.g. lids, covers
    • B65B7/2842—Securing closures on containers
    • B65B7/2885—Securing closures on containers by heat-shrinking
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/22—Caps or cap-like covers with elastic parts adapted to be stretched over the container
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0233—Removable lids or covers without integral tamper element secured by rolling or other plastic deformation
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures

Definitions

  • the present invention relates generally to containers and particularly to containers designed to retain in place a shrink wrap positioned on the body of the container.
  • US20080187631 shows a stackable pet food container made from a transparent thermoformed plastic.
  • the container has a peelable lid for hermetic sealing that can be used to reseal the container.
  • a shrink wrap is positioned over the sides of the container. Heat is applied to shrink the shrink wrap to the container. Adhesive is used to hold the shrink wrap in place on the container.
  • shrink wraps often fail to stay in place on the container and an adhesive must be applied to the shrink wrap to firmly hold it in place.
  • the use and application of an adhesive is cumbersome and is the source of problems in production of the container. There is, therefore, a need for new containers and methods for holding shrink wrap in place on containers without the use of adhesives.
  • FIG. 1 is a perspective view of an embodiment of a container (shown upside-down) comprising tapered sides, wherein the protuberance comprises a ridge encircling the container that can also serve a stacking purpose.
  • FIGS. 2A-2F show perspective views of representative embodiments of containers, with different types of protuberances: ( FIG. 2A ) knob or spine; ( FIG. 2B ) discontinuous ridges in different planes; ( FIG. 2C ) discontinuous ridges in the same plane; ( FIG. 2D ) dual discontinuous ridges, each in the same plane ( FIG. 2E ) continuous ridge in one plane; ( FIG. 2F ) zig-zag or wavy ridge.
  • FIGS. 3A-3D show cross section views of the tapered side of a prior art container without a protuberance, showing shoulder that is insufficient to hold shrink wrap in place ( FIG. 3A ), as compared with cross section views of embodiments of containers of the invention, showing a protuberance in a container with a shoulder ( FIG. 3B ) and without a shoulder ( FIG. 3C , FIG. 3D ).
  • FIGS. 4A and 4B are schematic views showing the range of protuberance for a container having tapered sides ( FIG. 4A ) and for a container having straight sides ( FIG. 4B ).
  • FIG. 5 is cross section view of showing the range of protuberance for a particular embodiment, comprising a container having tapered sides.
  • Ranges are used herein in shorthand to avoid having to list and describe each and every value within the range. Any appropriate value within the range can be selected, where appropriate, as the upper value, lower value, or the terminus of the range.
  • the invention provides containers adapted for holding a shrink wrap in place without adhesive.
  • the containers comprise a bottom and one or more side walls defining a top edge, wherein at least one of the bottom or side walls comprises at least one protuberance that projects sufficiently from the container to hold the shrink wrap in place without adhesive.
  • Typical prior art containers require an adhesive to prevent slippage of the shrink wrap.
  • the use of an adhesive necessitates an additional step in the process for the manufacturing containers and can cause complications in the process.
  • the present invention features a container that is adapted to hold a shrink wrap in place without the use of for adhesives. This is accomplished by incorporating into the container one or more protuberances that function to anchor shrink wrap in place. Though an adhesive can still be used on the novel container, it is not required to hold the shrink wrap in place.
  • the containers of the present invention preferably are manufactured by co-injection molding, compression molding or injection blow molding which enables the formation of containers that comprise shrink wrap-anchoring protuberances, as described in greater detail herein.
  • the co-injection molded, compression molded, or injection blow molded thin-wall barrier containers preferred for use in the present invention are able to withstand standard retort processes equivalent to those tolerated by thermoformed containers.
  • this technology enables the production of containers capable of holding shrink wraps in place without the use of adhesives.
  • an injection molding assembly is manufactured in multiple parts according to the specifications of the container including one or more protuberances positioned on the walls of the container.
  • a void that defines the container with the protuberance shape and the position of the protuberance on the wall of the container is formed in the mold.
  • the mold is in a closed position and melted thermoplastic material is then pulsed into the mold to fill the voids in the mold.
  • multiple valves control pulses of materials that are injected into the mold to create a layer of each material of the structure. After forming and cooling, the mold assembly is opened and the container is released from the mold.
  • the materials comprise plastics, polymers and other materials suitable for use in co-injection, compression molded, or injection blow molded molding.
  • the materials comprise barrier substances that substantially delay or prevent exposure to detrimental elements, such as light (including UV radiation), heat and/or oxygen.
  • the container of the invention can have any suitable shape, for example, multiple sides, such as in the form of a square, a rectangle, a triangle, an octagon and the like, a circular container, an oval container and having sides that are vertical to the bottom of the container or tapered to the bottom of the container.
  • the container can comprise one or more protuberances dispersed upon the walls of the container, on its sides or even on the bottom of the container.
  • the protuberances may be in the form of knobs or spines.
  • the protuberances may be in the form of ridges along the sides of the container.
  • the ridges may be in the same plane or in different planes along the sides of the container.
  • the protuberance can be in the form of a single continuous ridge, or ring-like structure that encircles the sides of the container.
  • the protuberances may take on a wide range of sizes, as well as shapes, depending at least in part on the size and/or shape of the container.
  • the one or more protuberances can extend from the side walls to a distance defined by an angle from the top of the container along the side wall between 10° and 45° outward from the side of the container.
  • the one or more protuberances can extend from the side walls to a distance of ⁇ to ⁇ +45° beyond the perpendicular line.
  • the one or more protuberances can extend from the side walls to a distance of ⁇ 10° to ⁇ +45° beyond the perpendicular line.
  • FIG. 1 shows one embodiment of a container 10 that is of a substantially curved rectangular shape with tapered side walls 12 and has a protuberance 14 comprising a single ridge that encircles the side walls 12 of the container 10 .
  • container 10 comprises an optional lip 20 to hold a peelable and/or reclosable lid, such as a snap-on lid.
  • the protuberance 14 serves to hold shrink wrap in place, and also can facilitate stacking of multiple containers 10 .
  • FIG. 2 shows embodiments of containers 10 comprising different shapes and types of protuberances 14 .
  • FIG. 2A shows a substantially cup-shaped container 10 with tapered side wall 12 comprising protuberances 14 that are knobs or spines.
  • FIG. 2B shows a substantially cylindrical container 10 with a straight side wall 12 and protuberances 14 that are discontinuous ridges disposed in different planes of the side wall 12 .
  • FIG. 2C shows a substantially cylindrical container 10 with tapered side wall 12 comprising protuberances 14 that are discontinuous ridges on the same plane of the side wall 12 .
  • FIG. 2D shows a substantially rectangular container 10 comprising tapered side walls 12 comprising protuberances 14 which are two sets of parallel, discontinuous ridges.
  • FIG. 1A shows a substantially cup-shaped container 10 with tapered side wall 12 comprising protuberances 14 that are knobs or spines.
  • FIG. 2B shows a substantially cylindrical container 10 with a straight side wall 12 and protuberances 14 that are discontinu
  • FIG. 2E shows an embodiment similar to that shown in FIG. 1 that is a substantially rectangular container 10 with tapered, curved side walls 12 and a protuberance 14 comprising a single ridge that encircles the container side walls 12 .
  • FIG. 2F shows a substantially cup-shaped container 10 with tapered side wall 12 and a protuberance 14 comprising a zig-zag or wavy ridge. It will be understood by the skilled artisan that the particular combinations of container shapes and protuberances shown in FIG. 2 are for illustrative purposes only, and that the container shapes and styles of protuberances can be combined in numerous different ways.
  • FIG. 3 shows cross-sectional views of side wall 12 of the prior art ( FIG. 3A ) as compared with side walls 12 comprising different types of protuberances 14 ( FIGS. 3B-3D ).
  • side wall 12 comprises a shoulder 16 .
  • the side wall 12 contains no protuberance 14 , and the shoulder 16 is insufficient to hold a shrink wrap in place, thus necessitating the use of an adhesive.
  • a protuberance 14 is present at the shoulder of the side wall 12 .
  • the side wall 12 contains no shoulder, but instead contains a protuberance 14 .
  • FIG. 3A shows cross-sectional views of side wall 12 of the prior art ( FIG. 3A ) as compared with side walls 12 comprising different types of protuberances 14 ( FIGS. 3B-3D ).
  • FIGS. 3A and 3B side wall 12 comprises a shoulder 16 .
  • the side wall 12 contains no protuberance 14 , but instead contains a protuberance 14 .
  • the side wall 12 of the container 10 is terminated at the open end with a lip 20 for attachment of a lid (not shown).
  • the protuberance 14 shown in FIG. 3 is a continuous ridge such as that shown in the container of FIG. 1 .
  • the type and location of protuberance 14 can also be a knob, spine or discontinuous ridge, as illustrated in FIG. 2 .
  • FIG. 4A shows a schematic view of the protuberance 14 for a container 10 having tapered side walls 12 , and the minimum and maximum size 14 a - 14 b of the protuberance projecting from the side of the container 10 .
  • the protuberance extension beyond the side walls 12 is defined by the location and position on the side wall 12 and an angle range on either side of a perpendicular line 22 from the top edge of the side wall perpendicular to a horizontal plane 24 parallel to the bottom of the container 18 .
  • FIG. 4B shows a container 10 having straight side walls 12 , i.e., perpendicular to the horizontal plane 24 that is parallel to the bottom 18 of the container 10 .
  • the taper angle ⁇ is 0°
  • the minimum and maximum protuberance extension 14 a - 14 b is an angle 10° to +45° beyond the side wall 12 .
  • FIG. 5 shows a cross section of a particular embodiment of the invention as partially illustrated in FIGS. 1 and 3D , showing tapered side wall 12 , protuberance 14 , and lip 20 .
  • the taper angle ⁇ of the side wall 12 is greater than 10° and the preferred extension of the protuberance 14 is angle ⁇ 10° to angle ⁇ +10° beyond the perpendicular line 22 , which by definition is 90° to the horizontal plane 24 that is parallel to the bottom 18 the container 10 , i.e., 80°-100° relative to the plane 24 .
  • the protuberance 14 is angle ⁇ 5° to angle ⁇ +5° beyond the perpendicular line 22 , i.e., 85°-95° relative to horizontal plane 24 .
  • the invention provides a container system.
  • the system comprises comprising a container comprising a bottom and one or more side walls defining a top edge, wherein at least one of the bottom or side walls comprises at least one protuberance that projects sufficiently from the container to hold a shrink wrap in place without adhesive, as described in detail above, and further comprises one or more lids, and a shrink wrap positioned over at least a portion of the container.
  • the shrink wrap is positioned over at least a portion of the container and a portion of the lid.
  • the container, the lid, and/or the shrink wrap can be made of transparent, translucent or opaque material, and can have printed or graphic information contained thereon.
  • shrink wrap and methods of applying shrink wrap to containers and other packages are well known in the art. Any type of shrink wrap and method of application is amenable to the container system of the present invention.
  • typical materials that can be used for the shrink wrap are as follows: thermo-softening polymers, such as, polyvinyl chloride, polyethylene, amorphous polyethylene teraphthalate, nylon, ethylene vinyl alcohol and other shrink wrap materials known to those skilled in the art.
  • the shrink wrap material is applied to the container heat is applied to cause shrinkage of the wrap about the container.
  • wraps can be transparent, translucent or opaque, and can contain printed or graphic information thereon.
  • the container system includes a lid, cap or other covering as well known in the art.
  • lids Such lids, caps, coverings and the like are referred to collectively herein as “lids.”
  • Lids may include peelable lids, such as a peelable foil or plastic affixed to the container opening, e.g. to a lip or flange at the container opening, such as is illustrated in FIGS. 1 , 3 and 5 .
  • the container system can include a replaceable lid, such as a snap-on or screw-on lid that can be used to reclose the container as needed.
  • the container system is designed to contain a food, such as a pet food.
  • the container system is made of materials suitable to withstand retort processing.
  • container systems for pet foods typically comprise a container that contains the food in a substantially airtight enclosure.
  • a peelable lid such as a plastic or foil seal, can be adhered to the opening of the container, as described above, and a snap-on, replaceable lid covers the peelable foil or plastic.
  • the shrink wrap is applied such that it covers at least a portion of the container and is held in place by the one or more protuberances constructed in the container.
  • the invention provides products.
  • the products comprise (1) a container comprising bottom and one or more side walls defining a top edge, wherein at least one of the bottom or side walls comprises at least one protuberance that projects sufficiently from the container to hold the shrink wrap in place without adhesive and (2) a material contained within the container.
  • the material is any material that is compatible with the container.
  • the material is a liquid or a solid material.
  • the material is a drink, detergent, cereal, grain, and the like.
  • the material is a food composition.
  • the food composition can be for consumption by humans or other animals.
  • the food composition is a pet food composition.
  • the invention provides methods for making containers adapted for holding a shrink wrap in place without adhesive.
  • the methods comprise (1) providing containers comprising a bottom and one or more side walls defining a top edge, wherein at least one of the bottom or side walls comprises at least one protuberance that projects sufficiently from the container to hold the shrink wrap in place without adhesive and (2) applying shrink wrap onto the containers.
  • the methods further comprise inserting a material into the container, particularly a material as described herein.
  • the containers are filled with the materials.
  • the material is a food composition, preferably a pet food composition.
  • the methods further comprise sealing the container after the materials have been inserted into the container.
  • the containers can be sealed by any suitable means, e.g., a lid, by sealing the seams, and the like.
  • the methods further comprise retorting the sealed containers.
  • the invention provides a means for communicating information about or instructions for one or more of (1) making containers of the invention, (2) making container systems of the invention, (3) using containers of the invention to avoid problems caused by shrink wrap not remaining in place on containers, and (4) using container systems of the invention to avoid problems caused by shrink wrap not remaining in place on containers.
  • the means comprises a document, digital storage media, optical storage media, audio presentation, or visual display containing the information or instructions.
  • the communication means is a displayed web site, visual display, kiosk, brochure, product label, package insert, advertisement, handout, public announcement, audiotape, videotape, DVD, CD-ROM, computer readable chip, computer readable card, computer readable disk, computer memory, or combination thereof containing such information or instructions.
  • the invention provides multi-pack packages.
  • the packages comprise a plurality of one or more containers, container systems, or products of the present invention arranged in an array and one or more devices for retaining the containers, container systems, or products in the array.
  • the package has one or more handles suitable for handling and transporting the package.
  • the containers and the containers used in the containers systems are adapted to be stackable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Packages (AREA)
  • Fodder In General (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
US13/822,411 2010-09-17 2011-08-30 Container for retention of shrink wrap Abandoned US20140001183A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/822,411 US20140001183A1 (en) 2010-09-17 2011-08-30 Container for retention of shrink wrap

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40359910P 2010-09-17 2010-09-17
US13/822,411 US20140001183A1 (en) 2010-09-17 2011-08-30 Container for retention of shrink wrap
PCT/US2011/001532 WO2012036724A1 (fr) 2010-09-17 2011-08-30 Récipient destiné à retenir une enveloppe rétractable

Publications (1)

Publication Number Publication Date
US20140001183A1 true US20140001183A1 (en) 2014-01-02

Family

ID=45831894

Family Applications (1)

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US13/822,411 Abandoned US20140001183A1 (en) 2010-09-17 2011-08-30 Container for retention of shrink wrap

Country Status (11)

Country Link
US (1) US20140001183A1 (fr)
EP (1) EP2615925A4 (fr)
JP (1) JP2013538759A (fr)
CN (1) CN103108551A (fr)
AU (1) AU2011302623B2 (fr)
BR (1) BR112013006379A2 (fr)
CA (1) CA2811402A1 (fr)
MX (1) MX2013003021A (fr)
RU (1) RU2013117391A (fr)
WO (1) WO2012036724A1 (fr)
ZA (1) ZA201302732B (fr)

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USD736079S1 (en) * 2012-11-20 2015-08-11 Naturesweet, Ltd. Food container
US20150246750A1 (en) * 2012-10-04 2015-09-03 Fuji Seal International, Inc. Container with shrink-fit label, shrink-fit label, and manufacturing method for container with shrink-fit label

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WO2012036724A1 (fr) 2012-03-22
BR112013006379A2 (pt) 2017-07-18
JP2013538759A (ja) 2013-10-17
AU2011302623A1 (en) 2013-03-21
CN103108551A (zh) 2013-05-15
AU2011302623B2 (en) 2015-08-20
EP2615925A1 (fr) 2013-07-24
MX2013003021A (es) 2013-05-28
RU2013117391A (ru) 2014-10-27
ZA201302732B (en) 2014-10-29
CA2811402A1 (fr) 2012-03-22

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