Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1983-08-08
1985-07-02
Chambers, A. Michael
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
291571R, 264162, 251357, 251368, 251DIG4, F16K 134
Patent
active
045259100
ABSTRACT:
A needle valve is formed by molding a resilient tip to a rigid body having a tip receiving cylindrical portion or barrel which includes tip retaining means for securing the resilient tip thereto. The tip is then ground until the outer edge of the barrel is engaged to form a resilient single angle or simple conical tip to thereby eliminate distortions which may be present in the molded tip. The tip retaining means comprises either a socket formed into the distal end of the barrel or a mushroom-shaped bayonet projection extending therefrom.
REFERENCES:
patent: Re25560 (1964-04-01), Gifford
patent: 2414577 (1947-01-01), Adair et al.
patent: 3086750 (1963-04-01), Carlson et al.
patent: 3090596 (1963-05-01), Gifford
patent: 3155367 (1964-11-01), Gifford
patent: 3326521 (1967-06-01), Murray
patent: 3440313 (1969-04-01), Schmocker
patent: 3445089 (1969-05-01), Murray
patent: 3581365 (1971-06-01), Murray
patent: 4196886 (1980-04-01), Murray
patent: 4336920 (1982-06-01), Murray
Chambers A. Michael
Vernay Laboratories, Inc.
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