Method of producing continuous fiber reinforced bent resin pipe

Details Method of producing continuous fiber reinforced bent resin pipe Method of producing continuous fiber reinforced bent resin pipe

1986-10-20

1988-05-24

Thurlow, Jeffery

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156196, 264137, 264219, 264279, 2642791, 264295, 264313, 264320, 264325, 2643282, 264339, 425393, B29C 5360, B29C 5382

Patent

active

047463864

ABSTRACT:
A method of producing a continuous fiber reinforced bent resin pipe, including winding a continuous reinforcing fiber on the outer surface of a tube-like flexible core mold while such core mold is straight in shape, the flexible core mold which is straight when unloaded being capable of keeping a cross section defined in radial direction when the core mold is bent. The core mold on which the continuous fiber has been wound is then bent and placed into a cavity defined by an outer mold formed of split molds each having an inner surface forming the predetermined outer configuration of a bent pipe. A liquefied synthetic resin is caused to be cured between the outer and the core molds to integrate both the fiber and resin. Thereafter the molded product is removed from the outer mold and the core mold is removed from the molded product.

REFERENCES:
patent: 2723426 (1955-11-01), Pelley
patent: 2878038 (1959-03-01), Noland
patent: 3633943 (1972-01-01), Ramm et al.
patent: 3814565 (1974-06-01), Cahour et al.
patent: 3902944 (1975-09-01), Ashton et al.
patent: 4158586 (1979-06-01), Usui
patent: 4460531 (1984-07-01), Harris et al.

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