Shot blast machine

Abrading – Machine – Sandblast

Reexamination Certificate

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Details

C451S089000, C451S038000, C451S435000, C451S435000

Reexamination Certificate

active

06926594

ABSTRACT:
The upper opening which opens the blast-processing chamber can be opened after the door moves slidely to the up and down directions, the door does not project outwardly from the case when the door is opened, it can be installed to the small space. Also it can be prevented to collide against the door.

REFERENCES:
patent: 3041787 (1962-07-01), Schnetzer
patent: 3179341 (1965-04-01), Otto et al.
patent: 4221302 (1980-09-01), Kupersmit
patent: 5127198 (1992-07-01), Nakayama et al.
patent: 5906533 (1999-05-01), Harris et al.
patent: 6431965 (2002-08-01), Jones et al.
patent: 6467859 (2002-10-01), Branz et al.
patent: 6607221 (2003-08-01), Elliott
patent: 6647665 (2003-11-01), Tabrizi et al.
patent: 6688946 (2004-02-01), Schmidt
patent: 6749495 (2004-06-01), Grund et al.

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