Coating processes – Vacuum utilized prior to or during coating – Metal base
Patent
1978-04-20
1980-02-12
Kendall, Ralph S.
Coating processes
Vacuum utilized prior to or during coating
Metal base
427116, 427435, 118 50, 118 64, 118429, 118500, B05C 310
Patent
active
041884205
ABSTRACT:
A device for coating wire tire cord on a spool with an agent for increasing the bond between the wire tire cord and rubber material used in the production of tires. The device is composed of at least one hollow pipe which forms a chamber in which the spools of wire are coated. The pipe is declined to help facilitate movement of the spools of wire through the pipe and allow drainage of any trapped liquid from the pipe. A hydraulic cylinder is provided adjacent the mouth of the pipe to engage and push a number of spools, in tandem, through the pipe in axially aligned, end-to-end relation. Means are supplied for circulating a liquid, containing the agent, into the chamber and for alternately creating a vacuum and pressure within the chamber to increase penetration of the liquid coating into the interstices between segments of wire cord wrapped on the spools. Other means are provided for circulating a heated fluid in the chamber to dry the liquid coating on the wire of each spool being treated.
REFERENCES:
patent: 2124162 (1938-07-01), Eddison et al.
patent: 2369561 (1945-02-01), Grisdale
patent: 2847330 (1958-08-01), Toulmin, Jr.
patent: 2858795 (1958-11-01), Walker
patent: 3584847 (1971-06-01), Hammond, Jr. et al.
patent: 3801360 (1974-04-01), Dahlgren
patent: 3895138 (1975-07-01), Sewell et al.
Kendall Ralph S.
The Goodyear Tire & Rubber Company
Washburn R. S.
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