Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Anti-stick or adhesion preventing coating
Patent
1988-06-20
1989-08-15
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Anti-stick or adhesion preventing coating
264135, 264242, 264263, 264264, B29C 4514
Patent
active
048572535
ABSTRACT:
A method of manufacturing a closed, hollow toroidal structure having a rigid internal annular plate includes treating one annular surface of the plate with a release coating, applying to the other annular surface of the plate an adhesion promoting coating and positioning the plate within a mold having a generally toroidal internal cavity. Next, a fluid conduit is juxtaposed partially within the internal cavity of the mold adjacent to the annular plate and partially outside the internal cavity of the mold. The mold cavity is then filled with an elastomer followed by curing under heat and pressure.
REFERENCES:
patent: 2444394 (1948-06-01), Arnold
patent: 4489018 (1984-12-01), Ball
patent: 4736510 (1988-04-01), Jorg et al.
Candle Richard D.
Schisler Robert C.
Dion Sr. Marc R.
Krisch Nicholas
Silbaugh Jan H.
The Goodyear Tire & Rubber Company
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