GB1447864A - Bag forming machines - Google Patents

Bag forming machines

Info

Publication number
GB1447864A
GB1447864A GB4957973A GB4957973A GB1447864A GB 1447864 A GB1447864 A GB 1447864A GB 4957973 A GB4957973 A GB 4957973A GB 4957973 A GB4957973 A GB 4957973A GB 1447864 A GB1447864 A GB 1447864A
Authority
GB
United Kingdom
Prior art keywords
zig
web
zag
oct
crests
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
GB4957973A
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.)
Spacials Ltd
Original Assignee
Spacials Ltd
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 Spacials Ltd filed Critical Spacials Ltd
Priority to GB4957973A priority Critical patent/GB1447864A/en
Publication of GB1447864A publication Critical patent/GB1447864A/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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure
    • B31B70/645—Making seals transversally to the direction of movement
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/022—Holders for feeding or positioning sheets or webs
    • B31B70/024—Rotating holders, e.g. star wheels, drums

Landscapes

  • Making Paper Articles (AREA)

Abstract

1447864 Seaming non-metallic sheet material; making bags SPACIALS Ltd 29 Oct 1973 [27 Oct 1972 12 July 1973] 49579/73 and 49786/73 Headings B5K and B5D The subject-matter is identical to that disclosed in Specifications 1,447,863 and 1,447,865, but the claims relate to apparatus for forming individual heat sealed articles, e.g. tubes or bags, from a heat sealable web, the apparatus comprising means for feeding the web in a zig-zag configuration and for supporting the web at the transverse crests on both sides of the zig-zag and for presenting the crests on one side of the zig-zag to a single continuous welding surface.
GB4957973A 1972-10-27 1972-10-27 Bag forming machines Expired GB1447864A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4957973A GB1447864A (en) 1972-10-27 1972-10-27 Bag forming machines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4957973A GB1447864A (en) 1972-10-27 1972-10-27 Bag forming machines
GB4978673 1973-07-12

Publications (1)

Publication Number Publication Date
GB1447864A true GB1447864A (en) 1976-09-02

Family

ID=26266512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4957973A Expired GB1447864A (en) 1972-10-27 1972-10-27 Bag forming machines

Country Status (1)

Country Link
GB (1) GB1447864A (en)

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee