Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...
Patent
1981-05-05
1984-02-14
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including components having same physical characteristic in...
1621575, 264 13, 428294, 428114, 428516, 428303, 428339, B32B 702
Patent
active
044316968
ABSTRACT:
Polymeric articles filled with glass fibers are prepared by methods used in paper making, starting from aqueous dispersions of glass fibers with polyolefinic fibrils having a high surface area, by deposition in sheets, drying and pressure-molding, optionally after bonding the sheets in a sandwich-like manner with an intermediate thermoplastic polymeric plate, not containing glass fibers, and having a modulus of flexure lower than that of the glass fibers contained in such sheets, so as to thermoweld said plate to the sheets.
REFERENCES:
patent: 3691000 (1972-09-01), Kalnin
patent: 3700538 (1972-10-01), Kennedy
patent: 3834832 (1974-09-01), Mallinder
patent: 4250221 (1981-02-01), Pfeffer
Chiolle Antonio
Credali Lino
Danesi Sergio
Di Drusco Giovanni
Buffalow E. Rollins
Lesmes George F.
Montedison S.p.A.
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