Seal assembly manufacturing methods and seal assemblies...

Details Seal assembly manufacturing methods and seal assemblies... Seal assembly manufacturing methods and seal assemblies...

2005-05-31

2005-05-31

Eley, Timothy V. (Department: 3724)

Abrading

Abrading process

Utilizing fluent abradant

C451S037000, C451S051000, C451S058000, C451S063000

Reexamination Certificate

active

06899595

ABSTRACT:
Finishing a seal assembly as a unit is proposed, which prevents alignment of the end gaps of the annular body and the annular ring of the seal assembly, provides the ability to manufacture the seal assembly to very low tolerances, and establishes virtually perfect parallelism between the upper and lower surfaces of the seal assembly. A finishing process is characterized by lapping a seal assembly as an assembled unit with a lapper using gritted oil as a polishing medium.

REFERENCES:
patent: 1725660 (1929-08-01), Madsen
patent: 1861716 (1932-06-01), Petre
patent: 3811690 (1974-05-01), Moriarty
patent: 3851889 (1974-12-01), Nisper
patent: 4040637 (1977-08-01), McCormick
patent: 5921553 (1999-07-01), Klein
patent: 6322080 (2001-11-01), Feistel
patent: 6378872 (2002-04-01), Moriarty
patent: 9-177442 (1997-08-01), None

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