Plastic article or earthenware shaping or treating: apparatus – With means applying coating material to work or work contact... – Separate means applying material directly to shaping means,...
Patent
1984-06-15
1986-01-21
Kratz, Peter
Plastic article or earthenware shaping or treating: apparatus
With means applying coating material to work or work contact...
Separate means applying material directly to shaping means,...
425371, 425406, B30B 506
Patent
active
045655090
ABSTRACT:
A continuous operation press for the manufacture and treatment of a board web of prefabricated or raw material, wherein the board web is passed into an inlet region between the upper and lower stringers of upper and lower endless belts traveling at a predetermined velocity in the transport direction, wherein there is provided a smooth coating formed with grooves serving as a sliding surface located at least in the main press and calibration regions. The board web glides above the smooth coating with the aid of fluid lubricant, the lubricant being supplied to the smooth coating through supply openings and discharged therefrom through discharge openings. Each groove in the smooth coating is formed with an opening therein either as a supply or discharge opening, each groove having a lubricant supply opening being positioned adjacent a groove having a lubricant discharge opening. Means are provided for controlling the pressure in at least some of said grooves for generation of a counter-pressure.
REFERENCES:
patent: 3057376 (1962-10-01), Agutter et al.
patent: 3779686 (1973-12-01), Kerttula et al.
patent: 3860368 (1975-01-01), Kerttula et al.
patent: 4420299 (1983-12-01), De Mets
Constructiewerkhuizen De Mets N.V.
Fortenberry Jill
Kratz Peter
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