Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1988-02-16
1990-05-22
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
4283133, 4283135, 4283166, B32B 326
Patent
active
049277065
ABSTRACT:
A semi-finished product (24) composed of dry, loose covering layers (10, 15) of reinforcing material and a debris material (9) of reaction resin (5) and elements (7) of variable form and volume as core (22) is used for the manufacture of moulded parts by hot pressing.
REFERENCES:
patent: 3626044 (1971-12-01), Arnaud
patent: 4473608 (1984-09-01), Grundmann
patent: 4495235 (1985-01-01), Tesch
Bayer Aktiengesellschaft
Van Balen William J.
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