Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2008-04-22
2008-04-22
Vo, Hai (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S318600, C428S319300, C428S319700, C428S317900, C277S608000, C277S626000
Reexamination Certificate
active
11209539
ABSTRACT:
A low stress-to-seal gasket material is described. Gaskets made according to the present invention comprise at least two tapes of porous PTFE and a substantially air impermeable layer at the interface of the two tape layers. The tape layers each have a non-porous region extending the tape length and separating two porous regions. The non-porous regions of at least two tape layers are not aligned in the z-axis direction.
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patent: WO 01/27501 (2001-04-01), None
Burkhard Dianne
Gore Enterprise Holdings Inc.
Vo Hai
LandOfFree
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