GB1232028A - - Google Patents

Info

Publication number
GB1232028A
GB1232028A GB3846467A GB1232028DA GB1232028A GB 1232028 A GB1232028 A GB 1232028A GB 3846467 A GB3846467 A GB 3846467A GB 1232028D A GB1232028D A GB 1232028DA GB 1232028 A GB1232028 A GB 1232028A
Authority
GB
United Kingdom
Prior art keywords
film
web
valve
edge
bags
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
GB3846467A
Other languages
English (en)
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 filed Critical
Publication of GB1232028A publication Critical patent/GB1232028A/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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0034—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making valve inserts for 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
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • 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
    • B31B2160/20—Shape of flexible containers with 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
    • B31B70/74—Auxiliary operations
    • B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
    • B31B70/844—Applying rigid valves, spouts, or filling tubes

Landscapes

  • Making Paper Articles (AREA)
GB3846467A 1967-08-21 1967-08-21 Expired GB1232028A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3846467 1967-08-21

Publications (1)

Publication Number Publication Date
GB1232028A true GB1232028A (fr) 1971-05-19

Family

ID=10403624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3846467A Expired GB1232028A (fr) 1967-08-21 1967-08-21

Country Status (5)

Country Link
US (1) US3548722A (fr)
CH (1) CH507807A (fr)
FR (1) FR1577706A (fr)
GB (1) GB1232028A (fr)
IL (1) IL30569A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538573A (en) * 1994-12-02 1996-07-23 Cti Industries Corporation Automatic valve insertion method and apparatus therefor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1281401A (en) * 1969-02-17 1972-07-12 Canadian Ind Valved plastics bag
US4481669A (en) * 1978-06-26 1984-11-06 W. R. Grace & Co., Cryovac Div. Multi-walled plastics bag
AT377427B (de) * 1978-06-26 1985-03-25 Hamann Klaus Jochen Vorrichtung zur loesbaren halterung von kleinteilen, insbesondere werkzeugen
NL7903733A (nl) * 1979-05-11 1980-11-13 Wavin Bv Werkwijze voor het vervaardigen van een baan van kunst- stofzakken met twee blokbodems.
JPS58116142A (ja) * 1981-12-29 1983-07-11 鯨岡製袋株式会社 弁付紙袋製造装置
US4526565A (en) * 1983-02-23 1985-07-02 Linear Films, Inc. Method of making flat bottom plastic bag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538573A (en) * 1994-12-02 1996-07-23 Cti Industries Corporation Automatic valve insertion method and apparatus therefor

Also Published As

Publication number Publication date
IL30569A0 (en) 1968-10-24
IL30569A (en) 1973-02-28
FR1577706A (fr) 1969-08-08
CH507807A (de) 1971-05-31
US3548722A (en) 1970-12-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
426 Order made revoking patent and granting patent of addition in lieu thereof (sect. 26(2)/1949)
PCNP Patent ceased through non-payment of renewal fee