Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2006-08-08
2006-08-08
Yao, Sam Chuan (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S309900
Reexamination Certificate
active
07087136
ABSTRACT:
A method of bonding an unsintered unexpanded PTFE feed film to a flexible PTFE coated substrate comprises providing a three roll calender comprising a metal surfaced roll coacting with two filled rolls to define first and second nips. The PTFE feed film is calendered in the first nip, with the thus calendered PTFE film remaining supported on the metal surfaced roll for transport to and through the second nip. The PTFE coated substrate is directed through the second nip for calendering with and bonding to the calendered PTFE film to thereby produce a laminated composite.
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Gauthier & Connors LLP
Musser Barbara J.
Textiles Coated International
Yao Sam Chuan
LandOfFree
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