Pipe joints or couplings – With fluid pressure seal – Expansible shank
Patent
1977-06-03
1978-12-12
Schroeder, Werner H.
Pipe joints or couplings
With fluid pressure seal
Expansible shank
285423, 285306, 138 40, 138 44, 138 45, F16L 1700
Patent
active
041293240
ABSTRACT:
The fluid coupling apparatus is disclosed which is adapted for connecting and disconnecting a first and a second fluid carrying member. Male and female coupling members are connected to the first and second fluid carrying members respectively. The female coupling member comprises a female internal orifice having a female radially enlarged portion in the female internal orifice of the female coupling member. The male coupling member frictionally and sealingly engages portions of the female coupling member for temporarily securing the male coupling member to the female coupling member. Flexible means is established in at least a portion of the male coupling member for radially expanding into the female radially enlarged portion upon application of fluid pressure to connect the male coupling member to the female coupling member. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 2329490 (1943-09-01), Smith
patent: 2788231 (1957-04-01), Crow
patent: 2804318 (1957-08-01), Wiltse
patent: 3033594 (1962-05-01), Cushman
Arbes C. J.
Schroeder Werner H.
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