Portable confined surface sand blast apparatus

Details Portable confined surface sand blast apparatus Portable confined surface sand blast apparatus

1978-09-05

1980-07-15

Smith, Gary L.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

15344, 15405, B24C 306

Patent

active

042121388

ABSTRACT:
Portable sand blast apparatus for cleaning a surface at a confined location wherein the apparatus attaches to a conventional sand blasting nozzle and includes a flexible filter shroud having an open end terminating in a resilient sealing ring. The shroud confines the sand blast particles and functions as a filter bag to permit the escape of air while the flexible surface seal prevents escape of the particles adjacent the surface being treated. A handle is mounted at the shroud open end, and a transparent window may be incorporated into the shroud for visibility purposes.

REFERENCES:
patent: 2466915 (1949-04-01), Shields
patent: 2483176 (1949-09-01), Bishop
patent: 2487366 (1949-11-01), Penno
patent: 2494773 (1950-01-01), Mead
patent: 2628456 (1953-02-01), Berg
patent: 2723498 (1955-11-01), Hastrup
patent: 3407538 (1968-10-01), Codina
patent: 3448544 (1969-06-01), Cardon
patent: 3599375 (1971-08-01), Nunemaker
patent: 4045915 (1977-09-01), Gilbert

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