US3511428A - Carton having a plastic lining made by deep-drawing - Google Patents

Carton having a plastic lining made by deep-drawing Download PDF

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Publication number
US3511428A
US3511428A US773202A US3511428DA US3511428A US 3511428 A US3511428 A US 3511428A US 773202 A US773202 A US 773202A US 3511428D A US3511428D A US 3511428DA US 3511428 A US3511428 A US 3511428A
Authority
US
United States
Prior art keywords
carton
deep
lining
container
flaps
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.)
Expired - Lifetime
Application number
US773202A
Other languages
English (en)
Inventor
Rolf Magnus Dilot
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.)
Akerlund and Rausing AB
Original Assignee
Akerlund and Rausing AB
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 Akerlund and Rausing AB filed Critical Akerlund and Rausing AB
Application granted granted Critical
Publication of US3511428A publication Critical patent/US3511428A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B65D5/56—Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/563—Laminated linings; Coatings

Definitions

  • the present invention relates to a container comprising an outer carton sleeve and an inner lining of a plastic which can be deep-drawn.
  • the container according to the invention is characterized in that the carton sleeve is provided at its lower margin with flaps having on their inside a heat-scalable coating which adheres to the lining.
  • FIG. 1 shows a blank for a carton sleeve forming part of a container according to the invention, said sleeve being shown in a flat, unfolded state.
  • FIG. 2 shows the same container in an erected folded state.
  • FIG. 3 shows a wafer which is meant to be fixed to the top of the container according to FIG. 2.
  • FIG. 4 shows a section through a corner of the container according to FIG. 2.
  • FIG. 5 finally, shows a mold which serves as a form for the said carton sleeve during the deep-drawing of a plastic foil in the said carton sleeve.
  • the blank for the carton sleeve shown as an example comprises four side-wall panels 1 to 4 and one joint panel 5.
  • the carton blank has a longitudinal marginal panel 6 which is meant to be folded into the carton in order to reinforce its opening.
  • the carton blank also has a longitudinal marginal panel 7 which is meant to be folded into the carton in the same manner. Extending from the said marginal panel 7 there are two end closing flaps 8 and 9 which are meant to be part of the bottom structure of the container.
  • the finished container furthermore comprises a lining 10 hav' ing a flange 11 deep-drawn direct in the carton sleeve.
  • the said flange has diagonally disposed wider tab portions 12.
  • the carton blank is provided on its inside with a thin coating of a heat-scalable lacquer or the like.
  • a heat-scalable vinyl lacquer is used, e.g. a copolymer of polyvinyl chloride and polyvinyl acetate.
  • FIG. 5 finally, shows a mold 15 which serves as a form for the carton blank when a plastic lining 10 is deepdrawn down into it.
  • Reference numeral 16 designates a cylindrical outer portion.
  • the mold further comprises a bottom portion 17 having passages 18 which are preferably connected to a vacuum source.
  • a supporting portion 19 is used as a support for the inwardly folded bottom portion.
  • the lining 10 may be dispensed either in the form of a wafer or in the form of a web and is fixed to the top of the mold 15 by means of a fixing ring 20.
  • the lining 10 is heat d in an arbitrary manner (not shown or described) e.g. by means of radiation heat or with hot air.
  • the deep-drawing may take place by means of a plunger 21 or simply with the aid of vacuum if the passages 18 are connected to a vacuum source.
  • compressed air may be supplied to the top of the mold 15. This compressed air may possibly be sup plied through the plunger 21 in passages not shown.
  • the flaps 8 and 9 do not have to overlap each other. Instead they may lie flush with each other, or else it is possible to have a slot disposed between them. Due to its inserted position, the bottom structure is as a matter of fact not exposed to any stresses worth mentioning. If it is desirable to simplify the construction it is possible to dispense with both the upper marginal panel 6 and the lower marginal panel 7.
  • a container comprising an outer carton sleeve having independent bottom forming flaps, said flaps being provided with heat sealable coatings on the inner sides thereof and an inner deep drawn, continuous lining of thermoplastic material conforming with the interior surface of said carton sleeve and adhered to the heat sealable coatings on said independent bottom forming flaps so that said independent flaps are maintained in the bottom forming position solely by adherence to said deep drawn lining.
  • a container as claimed in claim l wherein said carton sleeve is provided with marginal panels inwardly folded about the base thereof to provide a double walled marginal flange.
  • a container as claimed in claim 3 wherein said carton sleeve is provided with marginal panels inwardly folded about the top thereof to provide reinforcement for the top of the container.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Laminated Bodies (AREA)
US773202A 1967-11-15 1968-11-04 Carton having a plastic lining made by deep-drawing Expired - Lifetime US3511428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE15674/67A SE331253B (da) 1967-11-15 1967-11-15

Publications (1)

Publication Number Publication Date
US3511428A true US3511428A (en) 1970-05-12

Family

ID=20301036

Family Applications (1)

Application Number Title Priority Date Filing Date
US773202A Expired - Lifetime US3511428A (en) 1967-11-15 1968-11-04 Carton having a plastic lining made by deep-drawing

Country Status (8)

Country Link
US (1) US3511428A (da)
CH (1) CH500101A (da)
DE (1) DE1807678A1 (da)
DK (1) DK118278B (da)
FI (1) FI49575C (da)
FR (1) FR1591456A (da)
GB (1) GB1208466A (da)
SE (1) SE331253B (da)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932575A (en) * 1972-04-06 1976-01-13 Sven Ingemar Andersson Method of making a multilayered packaging tray by deep-drawing
FR2372098A1 (da) * 1976-11-29 1978-06-23 Int Paper Co
US6513704B1 (en) * 1999-07-29 2003-02-04 Nicolas Perot Packaging box for bottles

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI62989C (fi) * 1982-02-26 1983-04-11 Piippo Oy Vaetsketaet kartongtunna och foerfarande och anordning foer frmstaellning av densamma
GB2145363B (en) * 1983-08-23 1986-09-24 Grace W R & Co Vacuum skin package
AU594466B2 (en) * 1986-06-02 1990-03-08 Pacific Kenyon Corporation Animal feed block and packaging method
JPH0545454Y2 (da) * 1988-10-31 1993-11-19

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225810A (en) * 1937-05-15 1940-12-24 Harry F Waters Packaging method
US2590221A (en) * 1947-04-25 1952-03-25 Diamond Match Co Receptacle and method of making the same
US2915098A (en) * 1958-07-28 1959-12-01 Central States Paper & Bag Co Self-contouring bags
NL6704139A (da) * 1966-03-21 1967-09-22
US3421678A (en) * 1967-10-09 1969-01-14 Us Plywood Champ Papers Inc Profile coated carton

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225810A (en) * 1937-05-15 1940-12-24 Harry F Waters Packaging method
US2590221A (en) * 1947-04-25 1952-03-25 Diamond Match Co Receptacle and method of making the same
US2915098A (en) * 1958-07-28 1959-12-01 Central States Paper & Bag Co Self-contouring bags
NL6704139A (da) * 1966-03-21 1967-09-22
US3421678A (en) * 1967-10-09 1969-01-14 Us Plywood Champ Papers Inc Profile coated carton

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932575A (en) * 1972-04-06 1976-01-13 Sven Ingemar Andersson Method of making a multilayered packaging tray by deep-drawing
FR2372098A1 (da) * 1976-11-29 1978-06-23 Int Paper Co
US6513704B1 (en) * 1999-07-29 2003-02-04 Nicolas Perot Packaging box for bottles

Also Published As

Publication number Publication date
FR1591456A (da) 1970-04-27
FI49575B (da) 1975-04-30
GB1208466A (en) 1970-10-14
SE331253B (da) 1970-12-14
CH500101A (de) 1970-12-15
DK118278B (da) 1970-07-27
FI49575C (fi) 1975-08-11
DE1807678A1 (de) 1969-08-21

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