CA1259024A - Device to reduce or avoid webbing in vsp process - Google Patents

Device to reduce or avoid webbing in vsp process

Info

Publication number: CA1259024A
Authority: CA; Canada
Prior art keywords: support sheet; cover film; formation; product; collector
Prior art date: 1982-04-30
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

CA000417056A

Other languages

English (en)

French (fr)

Inventor

Ermanno Bortolani

Sandro Brembilla

Enzo Vassarotti

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.)

Cryovac LLC

Original Assignee

WR Grace and Co

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.)

1982-04-30

Filing date

1982-12-06

Publication date

1989-09-05

1982-12-06 Application filed by WR Grace and Co filed Critical WR Grace and Co

1989-09-05 Application granted granted Critical

1989-09-05 Publication of CA1259024A publication Critical patent/CA1259024A/en

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 22
238000009461 vacuum packaging Methods 0.000 claims abstract description 5
239000013039 cover film Substances 0.000 claims description 37
230000015572 biosynthetic process Effects 0.000 claims description 32
238000007789 sealing Methods 0.000 claims description 12
238000004806 packaging method and process Methods 0.000 claims description 6
239000000463 material Substances 0.000 claims description 5
239000002131 composite material Substances 0.000 claims description 4
238000009966 trimming Methods 0.000 claims description 4
239000000945 filler Substances 0.000 claims description 3
238000005755 formation reaction Methods 0.000 description 22
239000010408 film Substances 0.000 description 5
239000010410 layer Substances 0.000 description 4
230000000994 depressogenic effect Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
238000004080 punching Methods 0.000 description 2
239000002356 single layer Substances 0.000 description 2
239000000725 suspension Substances 0.000 description 2
238000003466 welding Methods 0.000 description 2
230000037303 wrinkles Effects 0.000 description 2
230000001070 adhesive effect Effects 0.000 description 1
230000032683 aging Effects 0.000 description 1
238000003491 array Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
238000010276 construction Methods 0.000 description 1
239000004794 expanded polystyrene Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
238000005192 partition Methods 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000003856 thermoforming Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
- B65B31/021—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas the containers or wrappers being interconnected
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
- B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Dispersion Chemistry (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Vacuum Packaging (AREA)
Containers And Plastic Fillers For Packaging (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

CA000417056A 1982-04-30 1982-12-06 Device to reduce or avoid webbing in vsp process Expired CA1259024A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT21030A/82		1982-04-30
IT21030/82A IT1151393B (it)	1982-04-30	1982-04-30	Procedimento e apparecchiatura per il confezionamento sotto vuoto

Publications (1)

Publication Number	Publication Date
CA1259024A true CA1259024A (en)	1989-09-05

Family

ID=11175646

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000417056A Expired CA1259024A (en)	1982-04-30	1982-12-06	Device to reduce or avoid webbing in vsp process

Country Status (8)

Country	Link
EP (1)	EP0093480B1 (da)
JP (1)	JPS58193225A (da)
AU (1)	AU561552B2 (da)
BR (1)	BR8302137A (da)
CA (1)	CA1259024A (da)
DE (1)	DE3362974D1 (da)
DK (1)	DK157742C (da)
IT (1)	IT1151393B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1153034B (it) *	1982-11-15	1987-01-14	Grace W R & Co	Procedimento ed apparecchiatura per il confezionamento sottovuoto e reativa confezione
US4684025A (en) *	1986-01-30	1987-08-04	The Procter & Gamble Company	Shaped thermoformed flexible film container for granular products and method and apparatus for making the same
GB2271546A (en) *	1992-10-19	1994-04-20	Grace W R & Co	Vacuum packaging chamber and method
CN118992191B (zh) *	2024-10-24	2025-02-11	常州楷立机械有限公司	正负压贴膜包装机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3204384A (en) *	1962-09-13	1965-09-07	Ludlow Corp	Skin packaging method and apparatus
US3835618A (en) *	1973-01-22	1974-09-17	Grace W R & Co	Apparatus for producing vacuum skin packages in multiples
JPS54159090A (en) *	1978-06-05	1979-12-15	Ishikawa Seisakusho Kk	Method of preventing creases in vacuum film wrapping

1982
- 1982-04-30 IT IT21030/82A patent/IT1151393B/it active
- 1982-12-06 CA CA000417056A patent/CA1259024A/en not_active Expired
1983
- 1983-01-11 EP EP83300134A patent/EP0093480B1/en not_active Expired
- 1983-01-11 DE DE8383300134T patent/DE3362974D1/de not_active Expired
- 1983-01-14 DK DK015283A patent/DK157742C/da not_active IP Right Cessation
- 1983-04-27 BR BR8302137A patent/BR8302137A/pt unknown
- 1983-04-28 JP JP58074131A patent/JPS58193225A/ja active Pending
- 1983-04-29 AU AU14095/83A patent/AU561552B2/en not_active Ceased

Also Published As

Publication number	Publication date
DK15283D0 (da)	1983-01-14
BR8302137A (pt)	1983-12-27
AU1409583A (en)	1983-11-03
IT1151393B (it)	1986-12-17
EP0093480A2 (en)	1983-11-09
IT8221030A0 (it)	1982-04-30
EP0093480A3 (en)	1984-12-19
AU561552B2 (en)	1987-05-14
DK157742B (da)	1990-02-12
EP0093480B1 (en)	1986-04-16
DK15283A (da)	1983-10-31
JPS58193225A (ja)	1983-11-10
DK157742C (da)	1990-07-30
DE3362974D1 (en)	1986-05-22

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Legal Events

Date	Code	Title	Description
2006-09-05	MKEX	Expiry