"Piggyback" heat exchanger for dome presses

Details "Piggyback" heat exchanger for dome presses "Piggyback" heat exchanger for dome presses

1983-08-01

1984-05-01

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

425 28R, 425 40, 425 33, B29H 502

Patent

active

044460937

ABSTRACT:
A simple inexpensive modification of existing tire molds used in old steam dome vulcanizing presses provides remarkable versatility and permits curing of truck and farm tractor tires at higher temperatures with higher internal water pressures to reduce curing times 5 to 10% or more while improving tire quality. A thin, flat heat exchanger with outstanding heat transfer characteristics is readily provided on each mold half by welding a flat outer disc and spacers to the mold to form an annular steam chamber of narrow cross section in direct communication with the outer mold face and the vent passages.

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