CA1221058A - Sac pour tisane - Google Patents

Sac pour tisane

Info

Publication number
CA1221058A
CA1221058A CA000468809A CA468809A CA1221058A CA 1221058 A CA1221058 A CA 1221058A CA 000468809 A CA000468809 A CA 000468809A CA 468809 A CA468809 A CA 468809A CA 1221058 A CA1221058 A CA 1221058A
Authority
CA
Canada
Prior art keywords
vacuum
thermoplastic film
dual layer
infusion bag
film
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
CA000468809A
Other languages
English (en)
Inventor
Michael A. Francis
Richard L. Dinius
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.)
Tredegar Corp
Original Assignee
Ethyl Corp
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 Ethyl Corp filed Critical Ethyl Corp
Application granted granted Critical
Publication of CA1221058A publication Critical patent/CA1221058A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Packages (AREA)
CA000468809A 1983-12-15 1984-11-28 Sac pour tisane Expired CA1221058A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US56191683A 1983-12-15 1983-12-15
US561,916 1983-12-15

Publications (1)

Publication Number Publication Date
CA1221058A true CA1221058A (fr) 1987-04-28

Family

ID=24244041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000468809A Expired CA1221058A (fr) 1983-12-15 1984-11-28 Sac pour tisane

Country Status (1)

Country Link
CA (1) CA1221058A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry