Metal working – Means to assemble or disassemble – To apply or remove a resilient article
Reexamination Certificate
2005-03-08
2005-03-08
Watson, Robert C. (Department: 3723)
Metal working
Means to assemble or disassemble
To apply or remove a resilient article
C029S252000
Reexamination Certificate
active
06862789
ABSTRACT:
The invention relates to an assembly tool for assembling a sealing ring (3) in an annular groove (4, 9) of a machine part (1, 7), in particular of a valve plate (7). By the provision that the assembly tool (10, 23) includes a pneumatic piston-cylinder unit (11, 12, 26, 27) for uniformly press-fitting the sealing ring (3) into the annular groove (4, 9), a simple assembly tool that is economical to make, is versatile to use and can be used in mobile application, and nevertheless enables reliable seal assembly without injuring anyone.
REFERENCES:
patent: 3981066 (1976-09-01), Calvert
Hering Martin
Jensen Karl Aage Lindholm
Striker Michael J.
Watson Robert C.
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