Pressure relief hole seal for beam

Details Pressure relief hole seal for beam Pressure relief hole seal for beam

H - Electricity

01

K

316/24, 313/85

H01K 7/02 (2006.01) H01K 1/36 (2006.01)

Patent

CA 1139349

ABSTRACT OF THE DISCLOSURE The invention relates to automobile sealed-beam headlamps in which a reflector and lens assembly are hermetically sealed by an epoxy resin, A pressure relief hole in the reflector eliminates the problem of excessive expansion and contraction of the atmosphere within the lamp such as would prevent forming a hermetic seal between the reflector and lens during the epoxy resin curing cycle. A deformable metal pellet forms a hermetic seal in the pressure relief hole. An epoxy resin is applied over the deformable metal seal and cured to produce a final permanent seal.

363288

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