Method of making adhesive-free bonded porous thermoplastic...

Details Method of making adhesive-free bonded porous thermoplastic... Method of making adhesive-free bonded porous thermoplastic...

2006-04-04

2006-04-04

Yao, Sam Chuan (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S199000, C156S296000, C264S119000, C264S172150, C264S280000

Reexamination Certificate

active

07022200

ABSTRACT:
A method and an apparatus are described for making porous thermoplastic nibs which are adhesive-free and plasticizer-free. The method comprises the steps of feeding a coherent fibrous structure into a compacting, shaping and bonding die, heating the surface of the fibers uniformly by surrounding them with a hot fluid and causing their surfaces to become tacky and to develop a cohesive bond between the fibers.

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patent: WO 200132430 (2001-05-01), None

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