Invention Grant
US4402889A Making sheet with moisture barrier properties coextruded from scrap
materials
失效
制作具有防潮性能的片材，从废料中共同挤出
- Patent Title: Making sheet with moisture barrier properties coextruded from scrap materials
- Patent Title (中): 制作具有防潮性能的片材，从废料中共同挤出
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Application No.: US345932Application Date: 1982-02-04
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Publication No.: US4402889APublication Date: 1983-09-06
- Inventor: Laszlo J. Bonis
- Applicant: Laszlo J. Bonis
- Applicant Address: MA Medford
- Assignee: Composite Container Corporation
- Current Assignee: Composite Container Corporation
- Current Assignee Address: MA Medford
- Main IPC: B29C47/06
- IPC: B29C47/06 ; B29C51/14 ; B32B27/00 ; B32B27/32 ; B29C29/00
Abstract:
Coextruding an inexpensive multilayered plastic sheet with outer layers of scrap material and a central layer of unqualified scrap having sufficient polyolefin content to provide a moisture barrier.
Public/Granted literature
- US5490213A Apparatus for hands-free operation of a mobile telephone unit in a car Public/Granted day:1996-02-06
Information query
