Method of constructing a valve

Details Method of constructing a valve Method of constructing a valve

1977-04-05

1978-04-18

Combs, E. M.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29445, 137539, 251359, B23P 1500

Patent

active

040843041

ABSTRACT:
The present invention relates to a method of constructing a valve. The valve comprises a casing with a bore therein for receiving a valve member. The bore also receives a plug which is engageable with the valve member to control communication through an opening on the plug. The method comprises the steps of inserting the valve member in the bore, connecting the plug with the casing such that the valve member is engageable with the plug and welding the plug to the casing while at the same time embedding the valve member into the plug to provide a valve seat on the plug. In particular, the casing and plug are a thermoplastic material, such as Nylon, and the valve member is metallic so that ultrasonic welding softens the plastic to bind the casing to the plug and to deform the plug by engaging the valve member with the softened plug.

REFERENCES:
patent: 2069153 (1937-01-01), Konkle
patent: 2106567 (1938-01-01), Hufferd
patent: 2448483 (1948-08-01), Bassett
patent: 3557821 (1971-01-01), Siegel et al.
patent: 3626978 (1971-12-01), Hoekstra
patent: 3736640 (1973-06-01), Freiheit
patent: 3844531 (1974-10-01), Grengs

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