Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1988-12-09
1989-12-05
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156148, 428280, 428284, 428290, 428300, B32B 1500
Patent
active
048852058
ABSTRACT:
Semifinished material consisting of symmetrically-needled glass-fiber mat impregnated with a thermoplastic polymer. The glass mat can be made by, for instance, needling continuous filament web from above and below at the same time with a double needling machine.
REFERENCES:
patent: 2794238 (1957-06-01), Dildilian et al.
patent: 2794759 (1957-06-01), Dildilian et al.
patent: 4277531 (1981-06-01), Picone
patent: 4335176 (1982-06-01), Baumann
Vogel Helmut
Wahl Ludwig
BASF - Aktiengesellschaft
Bell James J.
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