US3286902A - Rigid container - Google Patents

Rigid container Download PDF

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US3286902A
US3286902A US405216A US40521664A US3286902A US 3286902 A US3286902 A US 3286902A US 405216 A US405216 A US 405216A US 40521664 A US40521664 A US 40521664A US 3286902 A US3286902 A US 3286902A
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Prior art keywords
container
faces
ribs
mitered
rigid
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US405216A
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Paul H Hunter
Alfred J Guzzetti
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Union Carbide Corp
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Union Carbide Corp
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    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/44—Integral, inserted or attached portions forming internal or external fittings
    • B65D5/441—Reinforcements
    • B65D5/443—Integral reinforcements, e.g. folds, flaps
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/029—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body the tubular body presenting a special shape

Definitions

  • This invention relates to a low cost container for liquids and other flowable materials and more particularly to a rigid, leakproof container suitable for household use.
  • the present invention provides a rigid, leakproof, container for receiving, storing, and dispensing flowable materials which comprises a rigid container body having a plurality of faces and a top and a bottom.
  • the container body has at least one vertical edge sealed from top to bottom and at least two transverse edges sealed to the top and at least two transverse edges sealed to the bottom, thus forming an interiorly substantially sterile container.
  • each of the faces of the container body has a plurality of ribs, each rib having a pair of ends. The ends of each n'b are in contiguous relation with an adjacent rib end and each of the rib ends are so arranged with respect to adjacent ribs that joints therebetween are resistant to bulge and compressive stress.
  • the present invention provides a container which comprises a top having a pouring means for removal of ingredients packaged in the container.
  • the pouring means may, advantageously have a cap hingeably mounted on the top of the container body.
  • FIG. 1 is an isometric view of a container embodying the invention.
  • FIG. 2 is a development view of the container of FIG. 1.
  • the container 10 has a plurality of faces 12 Vanda top 14 and a bottom 16.
  • Each face 12 has a plurality of ribs 18 and each rib 18 is arranged parallel to the top 14 of the container 10. While it is preferred that the ribs 18 be so arranged, vertical or diagonal pbsitionin-g for example may be employed depending on the containers intended use.
  • Each ri-b 18 has a pair of ends 20 which are mitered and in contiguous relation with adjacent rib ends. This is more readily observed in FIG. 2 which shows the container 10 in a flat sheet form before it is assembled. More specifically, FIG. 2 as shown represents the internal structure of the container lfl.
  • the container 10 also includes an aperture 22 defined by an upstanding flange 24.
  • a cap26 hingeably mounted on the top 14 of the container 10 is provided for the aperture 22.
  • the ribbed container 10 is prepared in a one-piece sheet having concave ribbed sections 18,
  • the container 10 is easily decorated and labeled by use of a preprinted film sleeve which can be placed over the container and shrunken on. This improves the sanitary aspects of the container :and also permits ribbing the entire surface of the container for maximum stiffness since the flat area 34 will no longer be required for labeling.
  • the ribbed structure of the container of the invention permits the use of much lighter weight material without any sacrifice of container strength. Furthermore, because very thin material can be employed, a low-cost, easily disposable container is realized. 7
  • thermoform or vacuum form a flat sheet of high density polyethylene While it is preferred to thermoform or vacuum form a flat sheet of high density polyethylene, other thermoplastic resins may be used, including polyethylene copolymers, polypropylene, copolymers of ethylene and pro pylene, and mixtures of such polyolefins, polystyrene and its modifications and other thermoformable plastic materials.
  • some paper materials, thin metals or any other materials which can be so shaped and folded accordingly may be substituted depending on the intended use of the container.
  • the container material can vary in thickness and weight and design. Its shape may be trihedral, rectangular or tetrahedral, pentahedr-al, hexahedral, octahedral, and the like.
  • polyethylene sheet 10 to 20 mils thick is desirable, polyethylene sheet 5 to 25 mils in thickness is also appropriate.
  • the pouring aperture having an upstanding flange such as the aperture described is formed simultaneously with the container itself and isentirely sealed.
  • the-aforementioned container is admirably suited for containing flowable materials and particularly perishable materials, such as milk where sterile conditions are mandatory.
  • the dairy may fill it several ways. One way is to form the containers from the ribbed-sheets as delivered from the manufacturer, fill through either the top or bottom, and close the containers as by heat scaling in a rapid operation. Alternatively,
  • the dairy may receive the ribbed-sheet already folded and sealed into a con-tainer body with attached cap whereby the dairyman would simply fill through the precut pouring aperture and then recap. In any event, the housewife would receive the packaged milk completely protected from foreign matter.
  • the filled disposable containers are light and easy to handle.
  • the concave ribs provide good rigidity and at the same time permit the container to be grasped and held easily without experiencing any structural failure.
  • the container is completely leak-proof. Its compactness allows it to be conveniently stored, requiring minimum storage space. Several containers can even be stacked until ready for use. After the contents of the container has been exhausted, the container is easily disposed of.
  • the dairy, the distributor, and the housewife need not be concerned with returnable bottles and repurification of the same so as to remove foreign materials that would affect the taste of the milk later put into them. Also, the danger of broken glass is eliminated.
  • the disposable container of the instant invention is considerably less expensive to manufacture than the conventional glass bottle and completely eliminates costly sterilization.
  • the ribbed-rigidized plastic container is cheaper to manufacture and distribute than the conventional plastic bottle.
  • the proposed container may vary in size, including the typical 64-0unce and 32-ounce sizes, their choice depending on requirements.
  • the aforementioned container is especially suitable for milk, it can also be used for shipping, storing and dispensing other flowable material including fruit, juices, syrups, and other liquids, as well as powdered and 1 granular foods and thelikc.
  • a rigid, leakproof, one-piece container for receiving,
  • each of said ribs having a pair of mitered endsiin contiguous relation with an adjacent mitered rib end;
  • each of said mitered ribs ends so arranged with respect to said adjacent ribs that joints therebetween are resistant to distortion
  • said top of said container being provided with pouring means.
  • said pouring means comprises a beaded neck portion having a relatively rigid cap hingeably mounted on said top of said container body.
  • said container comprises thermoplastic polymeric material.

Description

Nov. 22, 1966 P. H. HUNTER ETAL 3,286,902
RIGID CONTAINER Filed 001;. 20, 1964 pl-(- 32 a 024 A9 PAUL H. Wfi'FER ALFR D J. GUZZ TTI ATTORNEY United States Patent 01 3,286,902 RIGID CONTAINER Paul H. Hunter, New Brunswick, and Alfred J. Guzzetti,
Westfield, NJ., assignors to Union Carbide Corporation, a corporation of New York Filed Oct. 20, 1964, Ser. No. 405,216 3 Claims. (Cl. 229-25) This invention relates to a low cost container for liquids and other flowable materials and more particularly to a rigid, leakproof container suitable for household use.
Because of the problems encountered in handling and sterilizing multiple trip containers for perishable food items such as milk, efforts have been made and continue to be made to provide single-trip, low-cost containers attractive to the supplier, distributor, retailer, and perhaps most important, the housewife. As the trend away from home delivery of milk, for example to purchases in supermarkets continues, changes in the type, shape and capacity of containers have appeared. Glass containers of two quarts or four quarts size do not solve handling and sterilizing problems; wax-coated paper and plastic coated paper cartons still have a tendency to leak or sag, and blow-molded rigid plastic containers recently introduced are relatively expensive for use as single-trip containers.
Accordingly, it is an object of this invention to provide a low-cost rigid container which is easily disposable.
The present invention provides a rigid, leakproof, container for receiving, storing, and dispensing flowable materials which comprises a rigid container body having a plurality of faces and a top and a bottom. The container body has at least one vertical edge sealed from top to bottom and at least two transverse edges sealed to the top and at least two transverse edges sealed to the bottom, thus forming an interiorly substantially sterile container. Furthermore, each of the faces of the container body has a plurality of ribs, each rib having a pair of ends. The ends of each n'b are in contiguous relation with an adjacent rib end and each of the rib ends are so arranged with respect to adjacent ribs that joints therebetween are resistant to bulge and compressive stress.
In another aspect, the present invention provides a container which comprises a top having a pouring means for removal of ingredients packaged in the container.
The pouring means may, advantageously have a cap hingeably mounted on the top of the container body.
In the drawing:
FIG. 1 is an isometric view of a container embodying the invention.
FIG. 2 is a development view of the container of FIG. 1.
Referring now to the drawing, as shown in FIG. 1, the container 10 has a plurality of faces 12 Vanda top 14 and a bottom 16. Each face 12 has a plurality of ribs 18 and each rib 18 is arranged parallel to the top 14 of the container 10. While it is preferred that the ribs 18 be so arranged, vertical or diagonal pbsitionin-g for example may be employed depending on the containers intended use. Each ri-b 18 has a pair of ends 20 which are mitered and in contiguous relation with adjacent rib ends. This is more readily observed in FIG. 2 which shows the container 10 in a flat sheet form before it is assembled. More specifically, FIG. 2 as shown represents the internal structure of the container lfl.
The container 10 also includes an aperture 22 defined by an upstanding flange 24. A cap26 hingeably mounted on the top 14 of the container 10 is provided for the aperture 22.
As shown in FIG. 2 the ribbed container 10 is prepared in a one-piece sheet having concave ribbed sections 18,
3,286,902 Patented Nov. 22, 1966 ice which is then folded into the container 10 of FIG. 1 whereby the ends 20 of the ribbed sections 18 become contiguous and strengthen the container 10. Heat sealing is applied along a vertical edge 28 of the container 10 and along the opposite transverse edges 20 and 32 of the faces 12 to seal the top 14 and the bottom 16 respectively to the faces 12 of .the container 10. Thus an interiorly substantially sterile container is formed. As further shown in FIG. 2, the bottom 16 of the container 10 may be concave in order to facilitate stacking of the containers. In addition, a flat space 24 for labeling or decorating is made. available preferably in the top third of each two opposite faces 12. This provides adequate. advertising space and, being on the upper part of the container, prevents excessive bulging of the uncontoured section. However, the container 10 is easily decorated and labeled by use of a preprinted film sleeve which can be placed over the container and shrunken on. This improves the sanitary aspects of the container :and also permits ribbing the entire surface of the container for maximum stiffness since the flat area 34 will no longer be required for labeling.
The ribbed structure of the container of the invention permits the use of much lighter weight material without any sacrifice of container strength. Furthermore, because very thin material can be employed, a low-cost, easily disposable container is realized. 7
While it is preferred to thermoform or vacuum form a flat sheet of high density polyethylene, other thermoplastic resins may be used, including polyethylene copolymers, polypropylene, copolymers of ethylene and pro pylene, and mixtures of such polyolefins, polystyrene and its modifications and other thermoformable plastic materials. In addition, some paper materials, thin metals or any other materials which can be so shaped and folded accordingly may be substituted depending on the intended use of the container.
Depending on the planned life of the container, the container material can vary in thickness and weight and design. Its shape may be trihedral, rectangular or tetrahedral, pentahedr-al, hexahedral, octahedral, and the like.
While polyethylene sheet 10 to 20 mils thick is desirable, polyethylene sheet 5 to 25 mils in thickness is also appropriate.
The pouring aperture having an upstanding flange such as the aperture described is formed simultaneously with the container itself and isentirely sealed. Thus the-aforementioned container is admirably suited for containing flowable materials and particularly perishable materials, such as milk where sterile conditions are mandatory. If the container were to contain milk, the dairy may fill it several ways. One way is to form the containers from the ribbed-sheets as delivered from the manufacturer, fill through either the top or bottom, and close the containers as by heat scaling in a rapid operation. Alternatively,
- the dairy may receive the ribbed-sheet already folded and sealed into a con-tainer body with attached cap whereby the dairyman would simply fill through the precut pouring aperture and then recap. In any event, the housewife would receive the packaged milk completely protected from foreign matter. In addition, the filled disposable containers are light and easy to handle. The concave ribs provide good rigidity and at the same time permit the container to be grasped and held easily without experiencing any structural failure. Furthermore, the container is completely leak-proof. Its compactness allows it to be conveniently stored, requiring minimum storage space. Several containers can even be stacked until ready for use. After the contents of the container has been exhausted, the container is easily disposed of.
Consequently, the dairy, the distributor, and the housewife need not be concerned with returnable bottles and repurification of the same so as to remove foreign materials that Would affect the taste of the milk later put into them. Also, the danger of broken glass is eliminated. Thus, the disposable container of the instant invention is considerably less expensive to manufacture than the conventional glass bottle and completely eliminates costly sterilization. In addition, because of its light weight structureand because it can be shipped to the dairy in flat sheet form, the ribbed-rigidized plastic container is cheaper to manufacture and distribute than the conventional plastic bottle.
The proposed container may vary in size, including the typical 64-0unce and 32-ounce sizes, their choice depending on requirements.
While the aforementioned container is especially suitable for milk, it can also be used for shipping, storing and dispensing other flowable material including fruit, juices, syrups, and other liquids, as well as powdered and 1 granular foods and thelikc.
What is claimed is: 1. A rigid, leakproof, one-piece container, for receiving,
storing and dispensing flowable materials which container 4 4 two opposing faces of said four faces having -a plurality of transverse, parallel, inwardly curving ribs extending across the entire surface of said faces and the other two faces having said ribs extending ,over 5 only a substantial portion of said faces thereby providing a fiat surface space for container labeling; (d) each of said ribs having a pair of mitered endsiin contiguous relation with an adjacent mitered rib end;
(e) each of said mitered ribs ends so arranged with respect to said adjacent ribs that joints therebetween are resistant to distortion, and
(f) said top of said container being provided with pouring means. 2. The container of claim 1 wherein said pouring means comprises a beaded neck portion having a relatively rigid cap hingeably mounted on said top of said container body. 3. The container of claim 1 wherein said container comprises thermoplastic polymeric material.
References Cited by the Examiner UNITED STATES PATENTS GEORGE O. RALSTON, Primari Examiner.

Claims (1)

1. A RIGID, LEAKPROOF, ONE-PIECE CONTAINER FOR RECEIVING, STORING AND DISPENSING FLOWABLE MATERIALS WHICH CONTAINER COMPRISES: (A) A RIGID CONTAINER BODY FORMED FROM A BLANK HAVING AS AN INTEGRAL PART THEREOF PORTIONS ADAPTED TO PROVIDE A CONCAVE TOP AND A CONCAVE BOTTOM; (B) SAID CONTAINER BODY HAVING A FOUR FACES AND ONE VERTICAL EDGE SEALED TO SAID TOP AND TO SAID BOTTOM AND AT LEAST TWO TRANSVERSE EDGES SEALED TO SAID TOP AND AT LEAST TWO TRANSVERSE EDGES SEALED TO SAID BOTTOM TO FORM AN INTERIORLY SUBSTANTIALLY STERILE CONTAINER; (C) TWO OPPOSING FACES OF SAID FOUR FACES HAVING A PLURALITY OF TRANSVERSE, PARALLEL, INWARDLY CURVING RIBS EXTENDING ACROSS THE ENTIRE SURFACE OF SAID FACES AND THE OTHER TWO FACES HAVING SAID RIBS EXTENDING OVER ONLY A SUBSTANTIAL PORTIONOF SAID FACES THEREBY PROVIDING A FLAT SURFACE SPACE FOR CONTAINER LABELING; (D) EACH OF SAID RIBS HAVING A PAIR OF MITERED ENDS IN CONTIGIOUS RELATION WITH AN ADJACENT MITERED RIB END; (E) EACH OF SAID MITERED RIB ENDS SO ARRANGED WITH RESPECT TO SAID ADJACENT RIBS THAT JOINTS THEREBETWEEN ARE RESISTANT TO DISTORTION, AND (F) SAID TOP OF SAID CONTAINER BEING PROVIDED WITH POURING MEANS.
US405216A 1964-10-20 1964-10-20 Rigid container Expired - Lifetime US3286902A (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448775A (en) * 1966-04-26 1969-06-10 Mobil Oil Corp Hollow container body
US3622418A (en) * 1966-12-27 1971-11-23 William Horace Black Drawer manufacturing method
US4522332A (en) * 1982-02-18 1985-06-11 Munk Werner Georg Volume expanding beverage package
US4844327A (en) * 1985-11-19 1989-07-04 Tetra Pak Finance & Trading S.A. Pack for fluid media
US5123554A (en) * 1988-10-31 1992-06-23 Abbott Laboratories Retortable plastic containers
US5222615A (en) * 1985-07-30 1993-06-29 Yoshino Kogyosho Co., Ltd. Container having support structure in its bottom section
US5238129A (en) * 1985-07-30 1993-08-24 Yoshino Kogyosho Co., Ltd. Container having ribs and collapse panels
WO1994019245A1 (en) * 1993-02-27 1994-09-01 Tetra Laval Holdings & Finance S.A. Packaging container for free-flowing products, and a tube and blank for manufacturing the container
US5499730A (en) * 1993-04-27 1996-03-19 Lever Brothers Company Plastic container having reinforcing depressions
US5860519A (en) * 1996-03-27 1999-01-19 Stone Legacy Corporation Sports equipment carrier having high strength to weight ratio rigid outer section
US20050029220A1 (en) * 2002-03-27 2005-02-10 Yoshino Kogyosho Co. Ltd Synthetic resin bottle
WO2005028319A1 (en) * 2003-09-25 2005-03-31 Stora Enso Oyj Fluid container made of cardboard and a method for producing a fluid container
US20110240507A1 (en) * 2010-04-02 2011-10-06 Peter John Snelling Water tank improvements
USD848831S1 (en) * 2016-11-08 2019-05-21 Roesler IP GmbH Packaging box

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134427A (en) * 1937-04-27 1938-10-25 Biderman Julius Container
US2231981A (en) * 1936-04-20 1941-02-18 Zalkind Philip Dish insulation member
US2355044A (en) * 1941-07-18 1944-08-08 American Can Co Container
US2584095A (en) * 1946-06-13 1952-01-29 Extruded Plastics Inc Tubular container
US2712777A (en) * 1949-04-22 1955-07-12 Troth Bright Page Inc Method of making folding plastic containers
US2863595A (en) * 1953-11-23 1958-12-09 Keyes Fibre Co Molded pulp packaging members
US2941708A (en) * 1958-04-16 1960-06-21 Diamond National Corp Molded pulp container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2231981A (en) * 1936-04-20 1941-02-18 Zalkind Philip Dish insulation member
US2134427A (en) * 1937-04-27 1938-10-25 Biderman Julius Container
US2355044A (en) * 1941-07-18 1944-08-08 American Can Co Container
US2584095A (en) * 1946-06-13 1952-01-29 Extruded Plastics Inc Tubular container
US2712777A (en) * 1949-04-22 1955-07-12 Troth Bright Page Inc Method of making folding plastic containers
US2863595A (en) * 1953-11-23 1958-12-09 Keyes Fibre Co Molded pulp packaging members
US2941708A (en) * 1958-04-16 1960-06-21 Diamond National Corp Molded pulp container

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448775A (en) * 1966-04-26 1969-06-10 Mobil Oil Corp Hollow container body
US3622418A (en) * 1966-12-27 1971-11-23 William Horace Black Drawer manufacturing method
US4522332A (en) * 1982-02-18 1985-06-11 Munk Werner Georg Volume expanding beverage package
US5222615A (en) * 1985-07-30 1993-06-29 Yoshino Kogyosho Co., Ltd. Container having support structure in its bottom section
US5238129A (en) * 1985-07-30 1993-08-24 Yoshino Kogyosho Co., Ltd. Container having ribs and collapse panels
US4844327A (en) * 1985-11-19 1989-07-04 Tetra Pak Finance & Trading S.A. Pack for fluid media
US5123554A (en) * 1988-10-31 1992-06-23 Abbott Laboratories Retortable plastic containers
WO1994019245A1 (en) * 1993-02-27 1994-09-01 Tetra Laval Holdings & Finance S.A. Packaging container for free-flowing products, and a tube and blank for manufacturing the container
US5499730A (en) * 1993-04-27 1996-03-19 Lever Brothers Company Plastic container having reinforcing depressions
US5860519A (en) * 1996-03-27 1999-01-19 Stone Legacy Corporation Sports equipment carrier having high strength to weight ratio rigid outer section
US20050029220A1 (en) * 2002-03-27 2005-02-10 Yoshino Kogyosho Co. Ltd Synthetic resin bottle
US7051890B2 (en) * 2002-03-27 2006-05-30 Yoshino Kogyosho Co., Ltd. Synthetic resin bottle with circumferential ribs for increased surface rigidity
WO2005028319A1 (en) * 2003-09-25 2005-03-31 Stora Enso Oyj Fluid container made of cardboard and a method for producing a fluid container
US20110240507A1 (en) * 2010-04-02 2011-10-06 Peter John Snelling Water tank improvements
USD848831S1 (en) * 2016-11-08 2019-05-21 Roesler IP GmbH Packaging box

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