Process of high pressure curing with ultraviolet radiation

Details Process of high pressure curing with ultraviolet radiation Process of high pressure curing with ultraviolet radiation

1988-04-22

1989-11-07

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264137, 264171, 264236, 264257, 264313, 264320, 425174, 4254052, 425DIG19, B29C 3508, B29C 3510, B29C 4310, B29C 4322

Patent

active

048790737

ABSTRACT:
A method of molding a polymeric containing article by exposing the article to ultraviolet radiation and a substantially uniform pressure. The method includes placing the precursor article within a pressure vessel and substantially filling the vessel with a solid, flowable, polymer medium that is substantially ultraviolet transparent under pressure. The polymer medium is pressurized so as to produce a substantially, uniform predetermined pressure on the surface of the article and the article is exposed to ultraviolet radiation that passes through the polymer medium to cure the article. Alternatively, the polymeric article may be passed through the medium containing vessel during exposure to ultraviolet radiation and a substantially uniform pressure.

REFERENCES:
patent: 3843601 (1974-10-01), Bruner
patent: 3850722 (1974-11-01), Kreft
patent: 4011929 (1977-03-01), Jeram et al.
patent: 4166088 (1979-08-01), Neefe
patent: 4478771 (1984-10-01), Schreiber
patent: 4637904 (1987-01-01), Rounds
patent: 4686271 (1987-08-01), Beck et al.
patent: 4704240 (1987-11-01), Reavely et al.
patent: 4755341 (1988-07-01), Reavely et al.
patent: 4772437 (1988-09-01), Reavely et al.
Beck, E. W., "Silicone Rubber puts on Squeeze for High Quality Composite Layups", Plastics World, Jun. 16, 1975, pp. 45-47.

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