Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1984-01-09
1986-02-18
Parker, Roscoe V.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51170T, 51180, 114222, 180274, 173 2, B24B 710, B63B 5910
Patent
active
045703884
ABSTRACT:
An apparatus for abrasive cleaning comprising a truck adapted to run on the surface to be cleaned and at least one abrasive cleaner supported by a supporting mechanism on the truck and limitedly movable toward or away from the surface, the abrasive cleaner having an abrasive cleaning tool at its lower end, said or each abrasive cleaner being supported by the supporting mechanism so as to be limitedly tiltable in every direction with respect to an axis approximately perpendicular to the surface, the supporting mechanism being provided with a compression spring for biasing the abrasive cleaner away from the surface. Even when the surface to be cleaned has an undulation, the abrasive cleaner tilts with respect to the axis to hold the cleaning tool in uniform contact with the surface and assure a stable and uniform cleaning operation. Since the force acting on the cleaning surface of the tool is not greater than the gravity on the cleaner, the cleaner can easily pass over projections on the surface to be cleaned without entailing the likelihood of causing excessive abrasion.
REFERENCES:
patent: 487198 (1892-11-01), McCutchan
patent: 864403 (1907-08-01), Beck
patent: 1100316 (1914-06-01), Masterson
patent: 3110140 (1963-11-01), Reames
patent: 3496681 (1970-02-01), Oswald
patent: 3946692 (1976-03-01), Sierra et al.
patent: 4365573 (1982-12-01), Jamieson
patent: 4445451 (1984-05-01), van den Broek
Kawano Tatsuo
Numata Yoshimi
Onaka Tatsumi
Shiraishi Minoru
Takahashi Masanobu
Farley John W.
Hitachi Zosen Corporation
Parker Roscoe V.
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