Method of coating a lamp with a U.V. curable resin with fibers t

Details Method of coating a lamp with a U.V. curable resin with fibers t Method of coating a lamp with a U.V. curable resin with fibers t

1978-10-13

1980-11-04

Ball, Michael W.

Coating processes

Electrical product produced

Welding electrode

156172, 427106, 427206, 4274432, 431360, B05D 118, B05D 306, F21K 502

Patent

active

042320585

ABSTRACT:
A photoflash lamp having a glass envelope with a clear protective exterior coating comprising a photopolymer reinforced with glass fibers. In applying the coating, a long strand of glass fibers is wrapped about the lamp envelope, which is then dipped in a liquid photopolymer, or short lengths of glass fiber are dispersed throughout the liquid photopolymer, either by premixing or application after dipping. The wet-coated lamp is then cure-hardened by a short period of irradiation with a source of ultraviolet light.

REFERENCES:
patent: 2395267 (1946-02-01), Gilbert
patent: 3057505 (1962-10-01), Chapman et al.
patent: 3223273 (1965-12-01), Thorington
patent: 3992276 (1976-11-01), Powanda et al.
patent: 4008341 (1977-02-01), Kehr
patent: 4012553 (1977-03-01), Clements
patent: 4076489 (1978-02-01), Schroeter et al.
patent: 4107356 (1978-08-01), Ukihashi et al.

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