Coating apparatus – With treatment of coating material – Of recirculated coating material
Patent
1981-01-18
1982-07-13
Kendall, Ralph S.
Coating apparatus
With treatment of coating material
Of recirculated coating material
118421, 118423, 118425, 118428, 118429, 427435, 118612, 427239, 427345, B05C 310
Patent
active
043388795
ABSTRACT:
Described is apparatus designed for applying enamel slip simultaneously to the internal and external surfaces of a pipe which includes a housing with a rod mounted centrally therein so that a clearance space is formed therebetween. That clearance space measures somewhat more than the thickness of the wall of the pipe under treatment which is to be moved in the clearance space, which is being filled with enamel slip. The clearance space between the housing and the rod measures at least 1.5 times the thickness of the pipe wall.
In one of the embodiments of the invention, the housing and the rod are of cylindrical shape.
The housing is provided with an enamel circulation system which includes a pump communicating with the housing and a reservoir via pipelines. The reservoir is filled with enamel slip and is provided with a thermoregulator.
REFERENCES:
patent: 2048937 (1936-07-01), Larson
patent: 2342217 (1944-02-01), Phillips
patent: 2808344 (1957-10-01), Kaulen et al.
patent: 3087201 (1963-04-01), Williams et al.
Makeev Anatoly E.
Sirotinsky Alexandr A.
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