Method for producing webs, panels or sandwich elements of foam p

Details Method for producing webs, panels or sandwich elements of foam p Method for producing webs, panels or sandwich elements of foam p

1974-02-12

1976-01-06

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 458, 264309, B29H 720

Patent

active

039310981

ABSTRACT:
Means for producing fiber-reinforced foam plastic webs, panels, sandwich panels and the like from continuous rovings and a foam reaction mixture. Rovings are incorporated into a foam product or core by means of an air nozzle coupled to and adjustable in its position to the nozzle of a mixing head for ejecting the foam reaction mixture.

REFERENCES:
patent: 3084973 (1963-04-01), Beckley
patent: 3172072 (1965-03-01), Willy
patent: 3378613 (1968-04-01), Hampshire
patent: 3684415 (1972-08-01), Buntin et al.
patent: 3691004 (1972-09-01), Werner et al.
patent: 3854917 (1974-12-01), McKinney et al.
E. S. Mylis, "Sprayed Reinforced Plastics," The Glass Industry, Oct. 1961, pp. 581-584.
"Spray Up," Modern Plastics, Sept. 1961, pp. 89-92.

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