Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-02-17
1989-12-19
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
28107, 427299, 427316, 428235, 428236, 428247, 428252, 428286, 428287, 428290, 428300, 428301, B32B 502
Patent
active
048882348
ABSTRACT:
A composite structural material and a method of making it, which material is thermoformable and capable of being rigidified by application of a resin, and which is useful in certain electronics applications because of a metallic layer incorporated within the structure. A layer of a selected metal is needle punched onto a fibrous batt of selected synthetic thermoplastic fibers, which is then thermoformed to a desired shape and rigidified by contacting with, and being embedded in, a suitable resin. Specific applications of the use of this composite include a parabolic dish-shaped antenna, an electromagnetic interference shield for electronic equipment, and a radioactive emission shield.
REFERENCES:
patent: 4622253 (1986-11-01), Levy
Campbell Brian
Ellis Paul
Johnston Jon
Rorie Leon
Smith Gerald J.
Castleman, Jr. C. H.
Gates Formed-Fibre Products, Inc.
McCamish Marion C.
Oberg, Jr. H. W.
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