Machine for producing multiaxial fibrous webs

Details Machine for producing multiaxial fibrous webs Machine for producing multiaxial fibrous webs

2008-04-25

2011-11-22

Aftergut, Jeff (Department: 1746)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S176000, C156S177000, C156S178000, C156S179000, C156S439000, C156S440000, C156S441000

Reexamination Certificate

active

08062448

ABSTRACT:
A plurality of unidirectional sheets (30a,30b,30c) are superposed in different directions and they are bonded together. At least one of the unidirectional sheets is made by spreading a tow so as to obtain uniform thickness, width not less than 5 cm, and a weight of no more than 300 g/m2, cohesion being imparted to the sheet so as to enable it to be handled prior to being superposed with other sheets. Advantageously, the unidirectional sheets are made of carbon fibers and are obtained by spreading out large tows.

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