Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-11-22
1977-10-25
Smith, Gary L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
15 35, 51439, B24C 304, B24C 500
Patent
active
040550257
ABSTRACT:
Apparatus including a tubular outer member having a baffle plate positioned therein downstream from the point of injection of gas into said tubular outer member. The baffle plate contains vanes for directing gas spirally to the inner walls of the pipeline to be cleaned. Abrasive material, usually sand, is introduced into the device through a line passing through the center of the baffle plate secured thereto so that the line and the baffle plate may be removed from the tubular outer member as a unit.
REFERENCES:
patent: 373926 (1887-11-01), Currier
patent: 992144 (1911-05-01), Babcock
patent: 1512140 (1924-10-01), Schaub
patent: 1848122 (1932-03-01), Forster
patent: 2440334 (1948-04-01), Gerlach
patent: 3073687 (1963-01-01), McCune
patent: 3109262 (1963-11-01), Weaver
patent: 3285521 (1966-11-01), Coakley
Seese Ray Bruce
Watson Bela Lee
Smith Gary L.
Terminello Dominic J.
Union Carbide Corporation
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