IE48194B1 - Method for producing a flat bottom thermoplastic bag - Google Patents

Method for producing a flat bottom thermoplastic bag

Info

Publication number: IE48194B1
Authority: IE; Ireland
Prior art keywords: gussets; bag; gusset; fold line; heat
Prior art date: 1978-03-24

Application number

IE738/79A

Other languages

English (en)

Other versions

IE790738L (en

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.)

1978-03-24

Filing date

1979-08-08

Publication date

1984-10-31

1979-08-08 Application filed by Union Carbide Corp filed Critical Union Carbide Corp

1979-09-24 Publication of IE790738L publication Critical patent/IE790738L/xx

1984-10-31 Publication of IE48194B1 publication Critical patent/IE48194B1/en

Links

229920001169 thermoplastic Polymers 0.000 title claims description 8
239000004416 thermosoftening plastic Substances 0.000 title claims description 8
238000004519 manufacturing process Methods 0.000 title description 3
238000000034 method Methods 0.000 claims abstract description 32
239000000463 material Substances 0.000 claims abstract description 8
230000007480 spreading Effects 0.000 claims description 4
230000007246 mechanism Effects 0.000 description 14
239000004033 plastic Substances 0.000 description 11
229920003023 plastic Polymers 0.000 description 11
238000010276 construction Methods 0.000 description 5
-1 polyethylene Polymers 0.000 description 4
239000012815 thermoplastic material Substances 0.000 description 4
238000001125 extrusion Methods 0.000 description 3
239000002184 metal Substances 0.000 description 3
239000002985 plastic film Substances 0.000 description 3
229920006255 plastic film Polymers 0.000 description 3
239000004743 Polypropylene Substances 0.000 description 2
230000009471 action Effects 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
238000009963 fulling Methods 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
229920001155 polypropylene Polymers 0.000 description 2
230000008569 process Effects 0.000 description 2
238000007789 sealing Methods 0.000 description 2
QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
239000004821 Contact adhesive Substances 0.000 description 1
239000004831 Hot glue Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
238000007792 addition Methods 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000012612 commercial material Substances 0.000 description 1
229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
239000004700 high-density polyethylene Substances 0.000 description 1
230000006872 improvement Effects 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
230000003993 interaction Effects 0.000 description 1
229920001684 low density polyethylene Polymers 0.000 description 1
239000004702 low-density polyethylene Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000004745 nonwoven fabric Substances 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920002689 polyvinyl acetate Polymers 0.000 description 1
239000011118 polyvinyl acetate Substances 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000004753 textile Substances 0.000 description 1

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

Landscapes

Making Paper Articles (AREA)
Bag Frames (AREA)
Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

IE738/79A 1978-03-24 1979-08-08 Method for producing a flat bottom thermoplastic bag IE48194B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
IE790738L IE790738L (en)	1979-09-24
IE48194B1 true IE48194B1 (en)	1984-10-31

Family

ID=25395986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IE738/79A IE48194B1 (en)	1978-03-24	1979-08-08	Method for producing a flat bottom thermoplastic bag

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
EP0131602A4 (fr) *	1983-01-18	1987-06-29	Hardie James Containers	Appareil de formage de carton.
DE3741210A1 (de) *	1987-12-04	1989-06-15	Detlef M Kuehnert	Verfahren zum herstellen von schrumpfhauben, vorrichtung zu dessen durchfuehrung sowie schrumpfhaube
WO2004037663A2 (fr) *	2002-10-24	2004-05-06	Lionel Nicholas Mantzivis	Sac a poignee
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

1979
- 1979-02-16 CA CA321,830A patent/CA1114215A/fr not_active Expired
- 1979-03-16 DE DE19792910517 patent/DE2910517A1/de not_active Withdrawn
- 1979-03-23 SE SE7902638A patent/SE436180B/sv not_active IP Right Cessation
- 1979-03-23 CH CH275279A patent/CH628283A5/fr not_active IP Right Cessation
- 1979-03-23 GB GB7910276A patent/GB2016999B/en not_active Expired
- 1979-03-23 NL NL7902314A patent/NL7902314A/xx not_active Application Discontinuation
- 1979-03-23 FR FR7907361A patent/FR2420423B1/fr not_active Expired
- 1979-03-23 IT IT48463/79A patent/IT1114748B/it active
- 1979-03-23 AT AT0218279A patent/AT380431B/de not_active IP Right Cessation
- 1979-03-23 BE BE0/194207A patent/BE875080A/fr not_active IP Right Cessation
- 1979-03-23 MX MX177040A patent/MX151561A/es unknown
- 1979-03-23 AU AU45372/79A patent/AU532444B2/en not_active Ceased
- 1979-08-08 IE IE738/79A patent/IE48194B1/en unknown

Also Published As

Publication number	Publication date
AU532444B2 (en)	1983-09-29
FR2420423A1 (fr)	1979-10-19
IT1114748B (it)	1986-01-27
SE7902638L (sv)	1979-09-25
AU4537279A (en)	1979-09-27
DE2910517A1 (de)	1979-09-27
MX151561A (es)	1984-12-14
IT7948463A0 (it)	1979-03-23
SE436180B (sv)	1984-11-19
GB2016999A (en)	1979-10-03
ATA218279A (de)	1985-10-15
CA1114215A (fr)	1981-12-15
IE790738L (en)	1979-09-24
BE875080A (fr)	1979-09-24
GB2016999B (en)	1982-08-04
AT380431B (de)	1986-05-26
FR2420423B1 (fr)	1986-03-21
CH628283A5 (fr)	1982-02-26
NL7902314A (nl)	1979-09-26

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US4235653A (en)	1980-11-25	Method for making reclosable bags
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US4249982A (en)	1981-02-10	Apparatus for making reclosable bags
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US3618478A (en)	1971-11-09	Three dimensional bag with reinforced bottom and method of forming same
JPH0628919B2 (ja)	1994-04-20	平底袋の形成方法
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US20100069212A1 (en)	2010-03-18	Apparatus and a method for making packages and a package thereof
US4273550A (en)	1981-06-16	Method for producing a flat bottom plastic bag
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US2751140A (en)	1956-06-19	Bag
CA1249471A (fr)	1989-01-31	Methode et systeme de fabrication de sacs a fond plat en matiere thermoplastique
NZ215705A (en)	1987-06-30	Forming rectangular-bottom, gussetted bags from thermoplastics film tubes
WO2015026349A1 (fr)	2015-02-26	Couture de sac renforcée, procédé et appareil de fabrication de celle-ci
US3472130A (en)	1969-10-14	Process of manufacturing valved bags having side gussets from webs of plastic sheet material
US20030054929A1 (en)	2003-03-20	Flat bottom, stand up bag and method of manufacturing the same
CA1114215A (fr)	1981-12-15	Methode de fabrication d'un sac en plastique a fond plan
US3942416A (en)	1976-03-09	Square bottomed bag folding apparatus
US3326449A (en)	1967-06-20	Gusseted plastic bag
EP3380315A1 (fr)	2018-10-03	Emballage à fond à soufflet avec soufflet plié