Braided shaped filamentary structures and methods of making

Details Braided shaped filamentary structures and methods of making Braided shaped filamentary structures and methods of making

1991-08-15

1993-06-08

Bell, James J.

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Hollow or container type article

Polymer or resin containing

28107, 28110, 28142, 294191, 87 8, 87 9, 156148, 188 715, 428225, 428234, 428293, 428294, 428300, 428402, 428902, B29D 2200

Patent

active

052177700

ABSTRACT:
Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) composites and to methods of manufacture of same. A shaped filamentary structure comprising at least a first braided filamentary tape layer of a width generally corresponding to that of the filamentary structure to be formed, the first braided filamentary tape layer superposed upon and joined to least one other filamentary layer by needlepunching to produce cross-linking of the layers by filaments displaced out of the layers and extending in a direction generally perpendicular to the faces of the layers, and methods of making same. The structure may include a plurality of hellically wound braided tapes arranged to form a flat, hollow annulus having a plurality of interleaved braided layers. The structure may be used in the production of friction discs.

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