Seal assembly manufacturing methods

Details Seal assembly manufacturing methods Seal assembly manufacturing methods

2007-09-11

2007-09-11

Eley, Timothy V. (Department: 3724)

Abrading

Abrading process

Utilizing fluent abradant

C451S037000, C451S051000, C451S058000, C451S063000

Reexamination Certificate

active

11108303

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: 5803798 (1998-09-01), Cesna et al.
patent: 6099387 (2000-08-01), Gilmer et al.
patent: 6146245 (2000-11-01), Kremen et al.
patent: 6168506 (2001-01-01), McJunken
patent: 6896598 (2005-05-01), Saitoh

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