Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having lubricating means
Patent
1977-11-01
1979-03-27
Silverberg, Sam
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having lubricating means
428352, 264338, 264213, 156289, 106 2, E21C 4110
Patent
active
041461258
ABSTRACT:
An emulsion of bitumen in sodium hydroxide solution containing at least 1 wt. % bitumen as the disperse phase is useful, when spread over the load-bearing surface of a conveyor carrying bituminous sands, to act as a release agent to promote the clean separation of the tacky sands from the belt when the latter rounds the end roller of the conveyor system and unloads the sands.
REFERENCES:
patent: 3529868 (1970-09-01), Hogg
Sanford Emerson
Shaw Robert
Canada-Cities Service, Ltd.
Gulf Oil Canada Limited
Her Majesty the Queen in right of the Province of Alberta, Gover
Imperial Oil Limited
Johnson Ernest Peter
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