Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type
Patent
1991-06-11
1992-10-06
Picard, Leo P.
Electricity: conductors and insulators
Boxes and housings
Hermetic sealed envelope type
174 50, H05K 500
Patent
active
051533804
ABSTRACT:
A housing for a wave separator, comprising a casing, which has an opening at the top, an input port connector and a plurality of output port connectors respectively made at two opposite sides and integrally formed through molding process, and a covered board covered on said casing to close up said opening, wherein the casing has a stepped top edge comprised of a first step edge disposed at the inside at a lower position, a third step edge disposed at the topmost position, a second step edge disposed at the inside between the first and third step edges, and a V-groove defined between the second and third step edges, the first step edge having a tapered projection tightly engaged into the cover board at the bottom, the second step edge having a side wall portion peripherally engaged with the cover board and an upper part bent inwards to firmly retain the cover board around the periphery thereof.
REFERENCES:
patent: 4015070 (1977-03-01), Theurer
patent: 4091232 (1978-05-01), Lenk et al.
patent: 4249035 (1981-02-01), Watley
patent: 4424404 (1984-01-01), Moore et al.
patent: 4845447 (1989-07-01), Holdsworth
Ledynh Bot Lee
Picard Leo P.
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