Synthetic filament-reinforced polymer material sheet and process

Details Synthetic filament-reinforced polymer material sheet and process Synthetic filament-reinforced polymer material sheet and process

1987-09-10

1989-10-17

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428294, 428295, 428910, B32B 2704, D04H 106

Patent

active

048746584

ABSTRACT:
A synthetic filament-reinforced polymer material sheet having a very small thickness of 0.25 mm or less and a large specific tensile strength of 3.4.times.10.sup.6 cm or more is composed of a reinforcing sheet in which a number of straightened individual synthetic polymer filaments are arranged in parallel to each other and are spaced from each other at an average interval not larger than the average thickness of the filaments, and which has a width W anmd a thickness T satisfying the relationship W/T.gtoreq.40 and a coefficient of variation of thickness of 30% or less, and a polymer material impregnated in the spaces between the individual filaments.

REFERENCES:
patent: 3180003 (1965-04-01), Lamb
patent: 3255875 (1966-06-01), Tierney
patent: 3391050 (1968-07-01), Nebesar
patent: 3472730 (1969-10-01), Firigstad
patent: 3505155 (1970-04-01), Balch et al.
patent: 4216856 (1980-08-01), Moring et al.
patent: 4612241 (1986-09-01), Howard, Jr.

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