Valve seat tool for removing and inserting value seats

Details Valve seat tool for removing and inserting value seats Valve seat tool for removing and inserting value seats

1989-11-30

1991-01-08

Watson, Robert C.

Metal working

Means to assemble or disassemble

Valve applying or removing

29267, 29280, B23P 1902

Patent

active

049824830

ABSTRACT:
A valve seat tool (46) and method for removing and inserting a tubular frusto-conical seat (26) from the seat cavity (22) of a valve chamber (20) in a valve body (12). The tool (46) has a laterally extending protuberance (60) on its inner end adapted to be received within a port (38) of the seat (26) for prying the seat (26) loose upon a prying action of the tool (46). An annular shoulder (56) on the tool (10) engages the outer annular surface (42) of the seat (26) for providing a pivot axis.

REFERENCES:
patent: 1422121 (1922-07-01), Millen
patent: 2276303 (1942-03-01), Herrig
patent: 2339210 (1944-01-01), Volz
patent: 2471557 (1949-05-01), Bishop
patent: 3063148 (1962-11-01), Brilmyer
patent: 3447228 (1969-06-01), Knickerbocker
patent: 3978573 (1976-09-01), Williams
patent: 4494290 (1985-01-01), Rutledge
patent: 4649618 (1987-03-01), Harrison

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