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
CA1259024A CA000417056A CA417056A CA1259024A CA 1259024 A CA1259024 A CA 1259024A CA 000417056 A CA000417056 A CA 000417056A CA 417056 A CA417056 A CA 417056A CA 1259024 A CA1259024 A CA 1259024A
Authority
CA
Canada
Prior art keywords
support sheet
cover film
formation
product
collector
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
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.)
Filing date
Publication date
Application filed by WR Grace and Co filed Critical WR Grace and Co
Application granted granted Critical
Publication of CA1259024A publication Critical patent/CA1259024A/en
Expired legal-status Critical Current

Links

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 (pt)
JP (1) JPS58193225A (pt)
AU (1) AU561552B2 (pt)
BR (1) BR8302137A (pt)
CA (1) CA1259024A (pt)
DE (1) DE3362974D1 (pt)
DK (1) DK157742C (pt)
IT (1) IT1151393B (pt)

Families Citing this family (3)

* 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

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

Also Published As

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

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Legal Events

Date Code Title Description
MKEX Expiry