Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1991-01-28
1992-04-28
Kisliuk, Bruce M.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51411, 51424, 51426, 51431, B24C 306, B05C 104
Patent
active
051076330
ABSTRACT:
A method and apparatus for cleaning the outer periphery of a pipe (10) by a carriage (28) travelling along the pipe (10). A housing (58) supported from an upper support frame (56) of the carriage (28) includes a pair of housing halves (58, 60) pivotally connected to each other and forming an enclosed chamber about the pipe (10). Nozzles (94) on the housing (58) are spaced about the pipe (10) for the discharge of a cleaning material in a high velocity stream against the outer surface of the pipe (10). A lifting head (114) connected to the housing halves (58, 60) pivots the halves (58, 60) to an open position and also lifts the carriage (28) from the pipe (10). An embodiment shown in FIGS. 8-10 includes a housing (58B) mounted on rollers (85B) of cariage frame (56B) for oscillation of housing (58B) and nozzles (94B) in an arcuate stroke relative to the carriage frame (56B).
REFERENCES:
patent: 1611920 (1926-12-01), Kinzbach
patent: 1815573 (1931-07-01), McManis
patent: 1910497 (1933-05-01), Peix
patent: 1926387 (1933-09-01), Jansen
patent: 2621446 (1952-12-01), Russell
patent: 3362109 (1968-01-01), Wallace
patent: 4205694 (1980-06-01), Thompson et al.
patent: 4603516 (1986-08-01), Hoffman
patent: 4953496 (1990-09-01), Taylor et al.
European Publication No. 0343878 published Nov. 29, 1989.
E.B. Thomas
Kisliuk Bruce M.
Marlott John A.
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