CA934717A - Vacuumizing and closing system - Google Patents

Vacuumizing and closing system

Info

Publication number
CA934717A
CA934717A CA113965A CA113965A CA934717A CA 934717 A CA934717 A CA 934717A CA 113965 A CA113965 A CA 113965A CA 113965 A CA113965 A CA 113965A CA 934717 A CA934717 A CA 934717A
Authority
CA
Canada
Prior art keywords
vacuumizing
closing system
closing
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
CA113965A
Other versions
CA113965S (en
Inventor
T. Roberts John
L. Reid Philip
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
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 CA934717A publication Critical patent/CA934717A/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
    • B65B31/024—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 specially adapted for wrappers or bags

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vacuum Packaging (AREA)
  • Package Closures (AREA)
CA113965A 1970-12-14 1971-05-26 Vacuumizing and closing system Expired CA934717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9770270A 1970-12-14 1970-12-14

Publications (1)

Publication Number Publication Date
CA934717A true CA934717A (en) 1973-10-02

Family

ID=22264722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA113965A Expired CA934717A (en) 1970-12-14 1971-05-26 Vacuumizing and closing system

Country Status (3)

Country Link
CA (1) CA934717A (en)
DE (1) DE2161648A1 (en)
GB (1) GB1370809A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457122A (en) * 1981-08-21 1984-07-03 W. R. Grace & Co., Cryovac Div. Vacuum packaging goods in heat shrinkable plastic bags using flexible diaphragms

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH658437A5 (en) * 1982-01-22 1986-11-14 Supervac Vertrieb Gmbh DEVICE FOR EVACUATING AND SEALING GOODS, IN PARTICULAR BAGS OR CASES CONTAINING FOODSTUFFS.
CN107512425B (en) * 2017-09-28 2023-03-28 福建省安溪县兴安金属有限公司 Needle suction type bag body vacuumizing device used in pure electric shaping packaging machine
CN108438311A (en) * 2018-03-30 2018-08-24 青岛瑞德神运机电设备有限公司 High-speed vacuum machine
CN110844225B (en) * 2019-11-26 2021-06-15 赵冰冰 Full-automatic vacuum packaging machine set
CN112224505A (en) * 2020-08-29 2021-01-15 伍小林 Vacuum food packaging bag capable of adjusting pressure intensity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4457122A (en) * 1981-08-21 1984-07-03 W. R. Grace & Co., Cryovac Div. Vacuum packaging goods in heat shrinkable plastic bags using flexible diaphragms

Also Published As

Publication number Publication date
GB1370809A (en) 1974-10-16
DE2161648A1 (en) 1972-06-29

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