Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1987-08-25
1989-05-02
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51429, 51426, 51424, B24C 306
Patent
active
048255980
ABSTRACT:
The invention relates to an apparatus for sandblasting surfaces of objects of large surface area with a granular agent. The apparatus has a bucket (2) which can be moved parallel to the surface of the object, in which a sandblast aimed against the surface of the object (30) can be produced, and in which sandblasting grits rebounding from the work surface together with the removed dirt particles are caught and carried away. The apparatus is provided with a sealed cabin (1) for carrying an operator (2), which is equipped with viewing windows, and which forms with the sandblasting chamber (5) a mobile working unit (4). The bucket (3) is disposed on the outside of the cabin (1) for movement relative to the cabin surface.
REFERENCES:
patent: 1628317 (1927-05-01), Hoevel
patent: 2729918 (1956-01-01), VanDenburgh
patent: 3548541 (1970-12-01), Miller
patent: 3705565 (1972-12-01), Hammelmann
patent: 3747277 (1973-07-01), Carpenter et al.
patent: 4286417 (1981-09-01), Shelton
patent: 4409920 (1983-10-01), Hammelmann
patent: 4649672 (1987-03-01), Thomann
Rose Robert A.
Schlick Roto-Jet Maschinenbau GmbH
Schmidt Frederick R.
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