Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1987-01-23
1988-06-14
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
156310, 156320, 156321, 156322, 4283179, 4283188, 4283191, B32B 710, B32B 712, B32B 1500, B32B 3104
Patent
active
047511370
ABSTRACT:
Composite panels with plastic core of polyvinylchloride and metal outer layers bonded to the core by means of adhesive layers, including those where flame retardant additives are incorporated in the plastic core, do not exhibit completely satisfactory properties for certain applications, in particular with respect to behavior under fire conditions viz., the creation of smoke. Composite panels having a plastic core of post-chlorinated polyvinylchloride or a mixture of the same with polyvinylchloride avoid these disadvantages.
REFERENCES:
patent: 3647609 (1972-03-01), Cyba
patent: 4006741 (1977-02-01), Arluck
patent: 4089726 (1978-05-01), Ishii et al.
patent: 4473608 (1984-09-01), Grundmann
Halg Paul
Severus Harald
Swiss Aluminum Ltd. - Research Laboratores
Van Balen William J.
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