Method and article for inserting valve spool into secondary bore

Details Method and article for inserting valve spool into secondary bore Method and article for inserting valve spool into secondary bore

1996-09-20

1997-12-09

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

29447, 29890124, 137315, 13762569, F16K 4300, B23P 1500

Patent

active

056949642

ABSTRACT:
A method and valve assembly for inserting a spool into a secondary bore of a valve body. A slave tool is inserted into a primary bore axially adjacent a secondary bore of the valve body. The slave tool includes a slave bore axially aligned with the secondary bore. The spool is inserted through the slave bore into the secondary bore. A chamfer is provided on a first end of the secondary bore or spool adjacent the slave tool.

REFERENCES:
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patent: 4676482 (1987-06-01), Reece et al.
patent: 5131694 (1992-07-01), Portis
patent: 5145005 (1992-09-01), Dollison
patent: 5267723 (1993-12-01), Shea et al.
patent: 5285805 (1994-02-01), Proper
patent: 5289634 (1994-03-01), Makino et al.
patent: 5456007 (1995-10-01), Bove et al.
patent: 5472326 (1995-12-01), Tarpley
patent: 5531013 (1996-07-01), Nakamura

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