Metal working – Method of mechanical manufacture – Electrical device making
Patent
1994-10-12
1996-07-16
Echols, P. W.
Metal working
Method of mechanical manufacture
Electrical device making
29884, 439589, 439936, H01R 4302, H01R 1340, H01R 4300
Patent
active
055355129
ABSTRACT:
An electrical connector having a metallic housing about an insulative insert is hermetically sealed. Both the seal area of the housing and the seal surface of the insulative insert are roughened and cleaned. The seal area of the housing is primed with a primer which is dried prior to assembly of the insert and the electrically conductive contacts within the housing. The assembled connector is pre-heated, and a sealant is applied to the seal area of the housing and the seal surface of the insulative insert around the electrically conductive pins. The preferred sealant is an alumina-filled or aluminum nitride-filled epoxy based resin, mixed with a catalyst and a reactive diluent and degassed in a vacuum. The sealant is applied to the connector and allowed to set-up prior to curing at an elevated temperature.
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patent: 3568131 (1971-03-01), Kennedy
patent: 4775333 (1988-10-01), Grider et al.
patent: 4793060 (1988-12-01), Pretchel
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patent: 5044992 (1991-09-01), Dzwonczyk et al.
patent: 5060108 (1991-10-01), Baker et al.
Hermetically Sealed Automotive Connector, Interconnection Technology, Feb. 1993, pp. 28-31.
Microminiature Connectors, ITT Cannon, pp. 10-26.
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