EP1151925A2 - Récipient empilable et procédé pour sa fabrication - Google Patents

Récipient empilable et procédé pour sa fabrication Download PDF

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Publication number
EP1151925A2
EP1151925A2 EP00204321A EP00204321A EP1151925A2 EP 1151925 A2 EP1151925 A2 EP 1151925A2 EP 00204321 A EP00204321 A EP 00204321A EP 00204321 A EP00204321 A EP 00204321A EP 1151925 A2 EP1151925 A2 EP 1151925A2
Authority
EP
European Patent Office
Prior art keywords
container
recess
closed base
closure
side walls
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.)
Withdrawn
Application number
EP00204321A
Other languages
German (de)
English (en)
Other versions
EP1151925A3 (fr
Inventor
Edgar G. c/o Eastman Kodak Company Earnhart
Parker J. c/o Eastman Kodak Company Burns
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of EP1151925A2 publication Critical patent/EP1151925A2/fr
Publication of EP1151925A3 publication Critical patent/EP1151925A3/fr
Withdrawn legal-status Critical Current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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0217—Containers with a closure presenting stacking elements
    • B65D21/0219—Containers with a closure presenting stacking elements the closure presenting projecting peripheral elements receiving or surrounding the bottom or peripheral elements projecting from the bottom of a superimposed container

Definitions

  • the invention relates generally to the field of packaging, and in particular to packaging for long rolls of photosensitive web material. More specifically, the invention relates to a container with a nesting feature allowing the stacking of multiple containers.
  • photosensitive web material e.g., photographic film used for surveillance, social/portrait, and commercial imaging
  • containers ensuring light tightness during shipment from the manufacturer to the film processor.
  • the width of the photosensitive web used for such applications is typically 35mm, 46mm, 70mm or 105mm.
  • Rolls of photographic film are generally wound onto cores with or without light protecting flanges.
  • Light-tight containers suitable for storing and shipping photosensitive film have a film compartment and a closure adapted to fit rather snugly about the film compartment. Most often, the containers are fabricated of metal or plastic materials.
  • the photographer After using the film, the photographer generally stores it in the light-tight container and then sends the film to a photoprocessing lab where it is developed.
  • technicians at the photoprocessing lab will carry several stacked containers containing exposed film into a dark room to open the containers and prepare the film for processing.
  • existing containers for storing and transporting rolls of photographic film are stackable, the containers do not have nesting features.
  • technicians to accidentally drop containers onto the floor as the stack is unstable. Such accidents are known to result in damaged film reels, possible damage to the exposed film, and unnecessary exposure to liability to the photoprocessing lab.
  • an object of the invention to provide a stackable container that permits stacking of two or more similar stackable containers.
  • Yet another object of the invention is to provide a method of facilitating the stacking of one container about another in a stacked container array.
  • a closure arangeable about the container body has a recess for receiving the closed base of another similar stackable container.
  • a stackable container comprises a container body having a closed base, upright standing side walls surrounding the closed base, an opening formed by the side walls opposite the closed base.
  • a closure arrangeable on said container body is provided for closing the opening.
  • the closure includes a recess having an upwardly extending outer wall at least partially surrounding the recess.
  • the recess has an interior dimension for receiving the closed base and a portion of the upstanding side walls surrounding the closed base
  • a method of forming a stackable container comprises the steps of providing a container having a closed base and upstanding side walls surrounding the closed base.
  • a closure is provided for arranging about a portion of the upstanding side walls for closing the container.
  • the closure is provided with a preferably generally planar recess having an upwardly extending outer wall or stacking rim surrounding the recess. This stacking rim limits translation movement of a closed base nested thereon.
  • the recess is configured to have a dimension for receiving the closed base and a portion of the upstanding side walls.
  • the closure is then arranged on the container by preferably threadably screwing it about a portion of the upstanding side walls to form the stackable container.
  • the present invention has the following advantages: the containers comprising the stacked array are easier to stack; the containers have limited translation movement in the stacked array; the container base and closure can be easily adapted to various sizes and configurations.
  • a stacked container array 10 of the invention may contain, for instance, rolls of photosensitive web material (e.g., film) which require storage and shipment in light-tight containers.
  • the inventors have developed a design for multiple-sized light-tight containers that can be nested and, therefore, solve the problem with existing containers for film product.
  • the invention includes a variable taper (as described below) on the stacked containers 12, 14 to facilitate nesting.
  • stacked container array 10 includes a first container 12 and at least a second container 14 for stacking with the first container 12. It should be apparent that any number of containers 12, 14 of the invention can be safely stacked in the container array 10.
  • first container 12 and at least second container 14 each includes a closed base 16 and upright standing side walls 18 surrounding closed base 16 forming a container body.
  • closed base 16 is generally planar for more stable stacking although it need not be.
  • An opening 20 opposite the closed base 16 provides access to an interior compartment for storing articles therein such as a roll of photographic film.
  • first and second containers 12, 14 are generally circular although other geometric shapes may be used, such as any generally polygonal shape.
  • closure 22 is provided for closing the opening 20.
  • a plurality of cooperating threads 27 arranged both in the interior of the closure 22 and about the circumference of the first and second containers 12, 14 provide means for fastening the closure 22 to a respective container 12, 14.
  • closure 22 has a generally circular shape and is configured to conform to the shape of either of the first and second containers 12, 14.
  • closure 22 includes a recess 24 and an upwardly extending outer wall (or stacking rib) 26 at least partially surrounding the recess 24.
  • recess 24 has a generally planar surface and an interior diameter for receiving both the closed base 16 and a portion 18p of the upstanding side walls 18 surrounding the closed base 16 of the other of the first container and second container.
  • the upright standing side walls 18 of closure 22 form a slight acute angle to the closed base 16 although the sidewalls 18 may very well be oriented at a right angle to the closed base 16.
  • the advantages of the acute angle orientation or variable taper is that it enables the containers 12, 14 to be easily stacked and removed from the stacked array. Further, the variable taper with each size container tends to facilitate nesting, so that the diameter of the closed base 16 is similar but independent of depth. The stacked container array 10 of the invention is thereby formed.
  • recess 24 is formed by a bead of molten resin during the injection molding process protruding from the closure 22 at least partially forming the upwardly extending outer wall 26 or stacking rib.
  • This stacking rib limits translation movement of the closed base 16 seated in the recess 24.
  • the outer wall 26 or stacking rib extends continuously around the circumference of recess 24 (shown in Fig. 3).
  • outer wall 26 may include minimally three wall stacking rib portions (not shown) that are arranged along the circumference of the recess 24 to limit translation movement of the closed base 16 seated thereon.
  • first and second containers 12, 14 are made of a rigid thermoplastic material, such as high-density polyethylene. Those skilled in the art will appreciate that other materials may be used with equal results including polystyrene and polypropylene.
EP00204321A 1999-12-15 2000-12-04 Récipient empilable et procédé pour sa fabrication Withdrawn EP1151925A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46448999A 1999-12-15 1999-12-15
US464489 1999-12-15

Publications (2)

Publication Number Publication Date
EP1151925A2 true EP1151925A2 (fr) 2001-11-07
EP1151925A3 EP1151925A3 (fr) 2003-07-02

Family

ID=23844145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00204321A Withdrawn EP1151925A3 (fr) 1999-12-15 2000-12-04 Récipient empilable et procédé pour sa fabrication

Country Status (2)

Country Link
EP (1) EP1151925A3 (fr)
JP (1) JP2001171675A (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5740914A (en) 1996-07-22 1998-04-21 Anchor Hocking Packaging Co. Closure for stacking containers of different sizes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695115A (en) * 1953-04-02 1954-11-23 Columbus Plastic Products Inc Food container
DE946273C (de) * 1954-01-31 1956-07-26 Zeiler Packungen A G Stapelbarer Behaelter
AU569057B2 (en) * 1983-05-02 1988-01-21 Becton Dickinson & Company Petri dish
US4961512A (en) * 1989-01-30 1990-10-09 Holdt J W Von Childproof closure for large containers
JPH07237633A (ja) * 1994-02-23 1995-09-12 Takashi Kondo プラスチックケース

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5740914A (en) 1996-07-22 1998-04-21 Anchor Hocking Packaging Co. Closure for stacking containers of different sizes

Also Published As

Publication number Publication date
EP1151925A3 (fr) 2003-07-02
JP2001171675A (ja) 2001-06-26

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