CA579525A - Self-closing bag - Google Patents

Self-closing bag

Info

Publication number
CA579525A
CA579525A CA579525A CA579525DA CA579525A CA 579525 A CA579525 A CA 579525A CA 579525 A CA579525 A CA 579525A CA 579525D A CA579525D A CA 579525DA CA 579525 A CA579525 A CA 579525A
Authority
CA
Canada
Prior art keywords
self
closing bag
bag
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
CA579525A
Other languages
French (fr)
Inventor
M. Clay Calvin
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.)
International Minerals and Chemical Corp
Original Assignee
International Minerals and Chemical Corp
Publication date
Application granted granted Critical
Publication of CA579525A publication Critical patent/CA579525A/en
Expired legal-status Critical Current

Links

CA579525A Self-closing bag Expired CA579525A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA579525T

Publications (1)

Publication Number Publication Date
CA579525A true CA579525A (en) 1959-07-14

Family

ID=35755399

Family Applications (1)

Application Number Title Priority Date Filing Date
CA579525A Expired CA579525A (en) Self-closing bag

Country Status (1)

Country Link
CA (1) CA579525A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7862256B2 (en) 2007-08-16 2011-01-04 Crc-Evans Canada Ltd. Pipeline weighting device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7862256B2 (en) 2007-08-16 2011-01-04 Crc-Evans Canada Ltd. Pipeline weighting device and method

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