Laminate membrane

Details Laminate membrane Laminate membrane

2011-03-15

2011-03-15

O'Hern, Brent T (Department: 1783)

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

C092S096000, C092S09800R, C417S395000, C417S474000, C428S064100, C428S066600

Reexamination Certificate

active

07905172

ABSTRACT:
A laminate membrane having an elastomer body and a contact layer applied to the elastomer body. The contact layer is made of polytetrafluoroethylene (PTFE). A barrier layer configured as a permeation barrier is additionally provided, which is disposed between the contact layer and the elastomer body, or applied to the side of the contact layer that faces away from the elastomer body.

REFERENCES:
patent: 4781535 (1988-11-01), Frawley et al.
patent: 2003/0230191 (2003-12-01), Ohrle et al.
patent: 2004/0214028 (2004-10-01), Kawamoto et al.
patent: 102 27 192 (2004-01-01), None

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