CA1060403A - Methode de dispositif pour faire le vide dans des sacs et les sceller - Google Patents

Methode de dispositif pour faire le vide dans des sacs et les sceller

Info

Publication number: CA1060403A
Authority: CA; Canada
Prior art keywords: receptacle; bag; aperture; opening; chambers
Prior art date: 1975-02-26
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

CA300,941A

Other languages

English (en)

Inventor

Robert S. Hawkins

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.)

WR Grace and Co Conn

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.)

1975-02-26

Filing date

1978-04-21

Publication date

1979-08-14

1975-02-26 Priority claimed from US05/553,388 external-priority patent/US3965646A/en

1978-04-21 Application filed by WR Grace and Co filed Critical WR Grace and Co

1978-04-21 Priority to CA300,941A priority Critical patent/CA1060403A/fr

1979-08-14 Application granted granted Critical

1979-08-14 Publication of CA1060403A publication Critical patent/CA1060403A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 17
238000004891 communication Methods 0.000 claims abstract description 13
230000009850 completed effect Effects 0.000 claims abstract description 7
230000006872 improvement Effects 0.000 claims description 8
230000000694 effects Effects 0.000 claims description 2
210000003739 neck Anatomy 0.000 description 37
239000000047 product Substances 0.000 description 35
238000007789 sealing Methods 0.000 description 25
239000000463 material Substances 0.000 description 9
239000004416 thermosoftening plastic Substances 0.000 description 5
235000013372 meat Nutrition 0.000 description 4
244000144977 poultry Species 0.000 description 4
229920001169 thermoplastic Polymers 0.000 description 4
238000004806 packaging method and process Methods 0.000 description 3
238000010276 construction Methods 0.000 description 2
239000004698 Polyethylene Substances 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
235000015278 beef Nutrition 0.000 description 1
235000013351 cheese Nutrition 0.000 description 1
239000002131 composite material Substances 0.000 description 1
230000003028 elevating effect Effects 0.000 description 1
239000006260 foam Substances 0.000 description 1
235000013305 food Nutrition 0.000 description 1
235000013611 frozen food Nutrition 0.000 description 1
230000013011 mating Effects 0.000 description 1
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
229910052753 mercury Inorganic materials 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
-1 polyethylene Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
238000005086 pumping Methods 0.000 description 1
239000005060 rubber Substances 0.000 description 1
239000003566 sealing material Substances 0.000 description 1
238000009461 vacuum packaging Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Landscapes

Vacuum Packaging (AREA)

CA300,941A 1975-02-26 1978-04-21 Methode de dispositif pour faire le vide dans des sacs et les sceller Expired CA1060403A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA300,941A CA1060403A (fr)	1975-02-26	1978-04-21	Methode de dispositif pour faire le vide dans des sacs et les sceller

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US05/553,388 US3965646A (en)	1975-02-26	1975-02-26	Adjustable sealing device
CA237,906A CA1034549A (fr)	1975-02-26	1975-10-17	Dispositif reglable d'obturation
CA300,941A CA1060403A (fr)	1975-02-26	1978-04-21	Methode de dispositif pour faire le vide dans des sacs et les sceller

Publications (1)

Publication Number	Publication Date
CA1060403A true CA1060403A (fr)	1979-08-14

Family

ID=27164160

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA300,941A Expired CA1060403A (fr)	1975-02-26	1978-04-21	Methode de dispositif pour faire le vide dans des sacs et les sceller

Country Status (1)

Country	Link
CA (1)	CA1060403A (fr)

1978
- 1978-04-21 CA CA300,941A patent/CA1060403A/fr not_active Expired

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