Invention Grant
- Patent Title: Multiple layer packaging film
- Patent Title (中): 多层包装膜
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Application No.: US238210Application Date: 1981-02-26
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Publication No.: US4389450APublication Date: 1983-06-21
- Inventor: Suzanne E. Schaefer , Jack E. Knott, II
- Applicant: Suzanne E. Schaefer , Jack E. Knott, II
- Applicant Address: CT Greenwich
- Assignee: American Can Company
- Current Assignee: American Can Company
- Current Assignee Address: CT Greenwich
- Main IPC: B32B7/02
- IPC: B32B7/02 ; C09J7/02
Abstract:
This invention is a multiple layer packaging film in which the outer polymeric layers cooperate to achieve, between themselves, a relatively constant coefficient of friction differential, a fin seal capability, and a lap seal capability; even after the film is stored in wound-up roll form.
Public/Granted literature
- US5604424A Electrical changeover switching Public/Granted day:1997-02-18
Information query
