Process for producing a preform for forming fiber reinforced pla

Details Process for producing a preform for forming fiber reinforced pla Process for producing a preform for forming fiber reinforced pla

1990-02-09

1993-06-22

Woo, Jay H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156173, 1563096, 264258, B32B 3120, B65H 8100

Patent

active

052213919

ABSTRACT:
A preform for forming fiber reinforced plastics which involves a reinforcing fiber layer composed of aligned continuous reinforcing fiber formed by winding and a heat-meltable fiber layer wound on the reinforcing fiber layer, the layers being piled up alternately in plural layers and in such a way that the outermost layer is constituted of the reinforcing fiber layer and the reinforcing fiber layers being melt-bonded with each other by the heat-meltable fiber to form an integral body, and to a process for producing the same. The preform is suited for use in producing plastic formed articles of high strength and high rigidity employed for frames, plate springs, and other parts of automobiles, vehicles, etc.

REFERENCES:
patent: 3736202 (1973-05-01), Sorenson
patent: 4010054 (1977-03-01), Bradt
patent: 4098943 (1978-07-01), Degginger et al.
patent: 4109543 (1978-08-01), Foti
patent: 4380523 (1983-04-01), Lind et al.
patent: 4445951 (1984-05-01), Lind et al.
patent: 4590027 (1986-05-01), Murphy et al.
patent: 4613473 (1986-09-01), Layden et al.
patent: 4871491 (1989-10-01), McMahon et al.
patent: 4950439 (1990-08-01), Smith et al.

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