GB995075A - Method and apparatus for forming rigid paper products - Google Patents

Method and apparatus for forming rigid paper products

Info

Publication number
GB995075A
GB995075A GB2813/64A GB281364A GB995075A GB 995075 A GB995075 A GB 995075A GB 2813/64 A GB2813/64 A GB 2813/64A GB 281364 A GB281364 A GB 281364A GB 995075 A GB995075 A GB 995075A
Authority
GB
United Kingdom
Prior art keywords
die
blank
ring
article
moisture
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
Application number
GB2813/64A
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.)
Standard Packaging Corp
Original Assignee
Standard Packaging Corp
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 Standard Packaging Corp filed Critical Standard Packaging Corp
Publication of GB995075A publication Critical patent/GB995075A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/59—Shaping sheet material under pressure
    • B31B50/592—Shaping sheet material under pressure using punches or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents

Abstract

995,075. Moulding articles from paperboard. STANDARD PACKAGING CORPORATION. Jan. 22, 1964 [Feb. 15, 1963], No. 2813/64. Heading B5A. [Also in Division B6] A rigid paper article is produced by placing a circular paper-board blank 15 of high moisture content, e.g. 20% to 35% by weight, between a pair of heated forming dies 10 and 12. The upper die 12 is lowered from the position shown in Fig. 3A and a retaining ring 14 under the action of pneumatic cylinders cooperates with the die 10 to grip the edge of the blank. The dies 10 and 12 have electric heating elements 26 and 28 respectively, and to form the article the die 12 is lowered relative to the ring 14 to the position shown in Fig. 2 in which it co-operates with the die 10 to shape the blank 15 and vaporize the moisture. The vapour escapes through annular grooves 34, 35, 36, 42, 44, 46 which communicate with the atmosphere through vents 37 and 40. The vapour may be withdrawn by connecting the vents to suction. To prevent undue compression of the blank adjustable stops 62 are provided in the retaining ring 14. The dry article is removed after withdrawal of the die 12 and ring 14 by raising the central portion 30 of the die 10. Removal may be assisted by an air blast directed through a passage 68 in the portion 30. Before pressing the blank may be printed, plastic coated or moisture-proofed. The paperboard may alternatively be fed between the forming dies in sheet form from which blanks are severed by a knife edge on the outer edge of the ring 14.
GB2813/64A 1963-02-15 1964-01-22 Method and apparatus for forming rigid paper products Expired GB995075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25882063A 1963-02-15 1963-02-15

Publications (1)

Publication Number Publication Date
GB995075A true GB995075A (en) 1965-06-16

Family

ID=22982267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2813/64A Expired GB995075A (en) 1963-02-15 1964-01-22 Method and apparatus for forming rigid paper products

Country Status (1)

Country Link
GB (1) GB995075A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2489500A (en) * 2011-03-31 2012-10-03 Chesapeake Ltd Clamping sheet materials during forming

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2489500A (en) * 2011-03-31 2012-10-03 Chesapeake Ltd Clamping sheet materials during forming
GB2489500B (en) * 2011-03-31 2018-02-14 Chesapeake Ltd Forming sheet materials

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