IT1114748B - Procedimento per produrre un sacchetto di materiale plastico con fondo piatto - Google Patents

Procedimento per produrre un sacchetto di materiale plastico con fondo piatto

Info

Publication number
IT1114748B
IT1114748B IT48463/79A IT4846379A IT1114748B IT 1114748 B IT1114748 B IT 1114748B IT 48463/79 A IT48463/79 A IT 48463/79A IT 4846379 A IT4846379 A IT 4846379A IT 1114748 B IT1114748 B IT 1114748B
Authority
IT
Italy
Prior art keywords
procedure
producing
plastic bag
flat bottom
bag
Prior art date
Application number
IT48463/79A
Other languages
English (en)
Italian (it)
Other versions
IT7948463A0 (it
Original Assignee
Union Carbide 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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of IT7948463A0 publication Critical patent/IT7948463A0/it
Application granted granted Critical
Publication of IT1114748B publication Critical patent/IT1114748B/it

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
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/52—Folding sheets, blanks or webs by reciprocating or oscillating members other than plungers and dies, e.g. by fingers
    • 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
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • B31B2150/0016—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom made from already formed 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
    • 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
    • B31B2160/00—Shape of flexible containers
    • B31B2160/20—Shape of flexible containers with structural provision for thickness of contents
IT48463/79A 1978-03-24 1979-03-23 Procedimento per produrre un sacchetto di materiale plastico con fondo piatto IT1114748B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88991578A 1978-03-24 1978-03-24

Publications (2)

Publication Number Publication Date
IT7948463A0 IT7948463A0 (it) 1979-03-23
IT1114748B true IT1114748B (it) 1986-01-27

Family

ID=25395986

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48463/79A IT1114748B (it) 1978-03-24 1979-03-23 Procedimento per produrre un sacchetto di materiale plastico con fondo piatto

Country Status (13)

Country Link
AT (1) AT380431B (fr)
AU (1) AU532444B2 (fr)
BE (1) BE875080A (fr)
CA (1) CA1114215A (fr)
CH (1) CH628283A5 (fr)
DE (1) DE2910517A1 (fr)
FR (1) FR2420423B1 (fr)
GB (1) GB2016999B (fr)
IE (1) IE48194B1 (fr)
IT (1) IT1114748B (fr)
MX (1) MX151561A (fr)
NL (1) NL7902314A (fr)
SE (1) SE436180B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1213456A (fr) * 1983-01-18 1986-11-04 Maxwell A. Fitzgibbon Machine de mise en forme de cartonnages
DE3741210A1 (de) * 1987-12-04 1989-06-15 Detlef M Kuehnert Verfahren zum herstellen von schrumpfhauben, vorrichtung zu dessen durchfuehrung sowie schrumpfhaube
AU2003280015A1 (en) * 2002-10-24 2004-05-13 Lionel Nicholas Mantzivis Bag with handle
CN109334105B (zh) * 2018-08-30 2024-04-12 浙江正威机械有限公司 方底部夹带补片的塑料立体袋自动制袋系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE144506C (fr) * 1900-01-01
GB684890A (en) * 1950-02-09 1952-12-24 Robinson E S & A Canada Improvements in or relating to methods of and apparatus for forming a paper or like bag
US3094905A (en) * 1960-07-08 1963-06-25 Robert L Haslacher Process for making bags
US3606822A (en) * 1970-01-12 1971-09-21 Nat Distillers Chem Corp Method and apparatus for producing a flat-bottom plastic bag
US3799042A (en) * 1972-04-14 1974-03-26 Nat Distillers Chem Corp Flat-bottom plastic bags and method for the production thereof
GB1470653A (en) * 1973-05-01 1977-04-21 Nat Petrochemicals Corp Grocery sack process and machine
US3886850A (en) * 1973-05-23 1975-06-03 Midland Ross Corp Method of forming flat bottoms on bags of creasable material

Also Published As

Publication number Publication date
GB2016999B (en) 1982-08-04
CA1114215A (fr) 1981-12-15
DE2910517A1 (de) 1979-09-27
IT7948463A0 (it) 1979-03-23
SE7902638L (sv) 1979-09-25
MX151561A (es) 1984-12-14
GB2016999A (en) 1979-10-03
FR2420423B1 (fr) 1986-03-21
AU4537279A (en) 1979-09-27
CH628283A5 (fr) 1982-02-26
IE790738L (en) 1979-09-24
NL7902314A (nl) 1979-09-26
ATA218279A (de) 1985-10-15
IE48194B1 (en) 1984-10-31
BE875080A (fr) 1979-09-24
SE436180B (sv) 1984-11-19
AT380431B (de) 1986-05-26
AU532444B2 (en) 1983-09-29
FR2420423A1 (fr) 1979-10-19

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