Method and apparatus for abrading the region of intersection...

Abrading – Machine – Sandblast

Reexamination Certificate

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C451S099000, C451S102000

Reexamination Certificate

active

07044842

ABSTRACT:
A method and apparatus are disclosed for abrading the inner surface at the intersection region of a branch outlet with the wall of a body having a passageway. Using abrasive flow machining, it is possible to abrade the intersection region to provide a smooth transition between the wall and the branch outlet.

REFERENCES:
patent: 3299459 (1967-01-01), McCune
patent: 4055025 (1977-10-01), Seese et al.
patent: 5054247 (1991-10-01), Rhoades
patent: 5085244 (1992-02-01), Funk
patent: 5195276 (1993-03-01), Vennerholm
patent: 5198037 (1993-03-01), Guyonnet et al.
patent: 5679058 (1997-10-01), Rhoades
patent: 6047714 (2000-04-01), Akazawa
Sketch of system commercially sold in 1985, labeled as Exhibit A.

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