Recovery device of blasting medium and method therefor

Details Recovery device of blasting medium and method therefor Recovery device of blasting medium and method therefor

2007-03-19

2008-08-26

Eley, Timothy V (Department: 3724)

Abrading

Precision device or process - or with condition responsive...

Condition responsive control for sandblasting

C451S005000, C451S038000, C451S088000, C451S447000

Reexamination Certificate

active

07416471

ABSTRACT:
The present invention provides a recovery device of a blasting medium for recovering a blasting medium after use, which has been injected to a work and has fallen therefrom, into a solid-gas separating tank by suctioning with a suction blower, wherein the solid-gas separating tank comprising: a sucking unit of the blasting medium; a vertically rising pipe provided in a vertical direction and adapted to connect the sucking unit and a tank body; a cushioning member disposed opposedly to an upper exit of the vertically rising pipe; a sieve into which the blasting medium that has collided against the cushioning member reducing its velocity falls, and which vibrates to classify a reusable blasting medium and a non-reusable blasting medium; an outlet portion for the reusable blasting medium classified by the sieve and an outlet portion for the non-reusable blasting medium; and an airflow path provided downstream of the sieve in an air current direction, and connected to the suction blower.

REFERENCES:
patent: 3805401 (1974-04-01), Fontein
patent: 4299693 (1981-11-01), Paulson
patent: 4433511 (1984-02-01), Swain
patent: 5545074 (1996-08-01), Jacobs
patent: 6059641 (2000-05-01), Okamoto
patent: 6135127 (2000-10-01), Pieper
patent: 6390898 (2002-05-01), Pieper
patent: 9-109029 (1997-04-01), None
patent: 2003-222475 (2003-08-01), None
patent: 03/055645 (2003-07-01), None

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