Compressed non-asbestos sheets

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

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277235B, 428224, 428281, 428283, 428288, 428297, 428408, 428446, D04H 108

Patent

active

045087776

ABSTRACT:
A compressed non-asbestos sheet which comprises at least two types of fibers selected from the groups consisting of inorganic fibers other than asbestos and/or organic fibers, natural rubber and/or synthetic rubber, rubber chemicals, and fillers. The group of inorganic fibers is divided into two subgroups, one subgroup consisting of glass fibers, ceramic fibers, etc., and the other subgroup consisting of carbon and metal fibers. The group of organic fibers consists of synthesized and naturally occurring polymeric fibers including polyamide-based fibers, etc. The compressed non-asbestos sheet includes at least one of the combinations of the first and second subgroups, the first subgroup and the group of organic fibers, the second subgroup and the group of organic fibers, the fibers belonging to the second subgroup, and the organic fibers.

REFERENCES:
patent: 4237180 (1980-12-01), Jaskovski
patent: 4271228 (1981-06-01), Foster et al.

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