Portable blasting device and sealing means

Details Portable blasting device and sealing means Portable blasting device and sealing means

1980-02-04

1982-03-16

Godici, Nicholas P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51429, 51430, B24C 306, B24C 900

Patent

active

043194362

ABSTRACT:
A portable blasting device in which the space between the blast head and the surface being treated is provided with a magnetic seal formed of the particulate material with apparatus for maintaining the magnet supports for relative movement to maintain the sealed spaced relation notwithstanding unevenness of the surface.

REFERENCES:
patent: 2729918 (1956-01-01), Van Denburgh
patent: 2924911 (1960-02-01), Leliaert
patent: 3788010 (1974-01-01), Goff
patent: 3900968 (1975-08-01), Shigyo
patent: 4020596 (1977-05-01), Bergh

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