Mold

Details Mold Mold

1980-09-11

1982-07-27

Flint, Jr., J. Howard

Static molds

Container-type molding device

And an inner removable core to form recess or opening

249 65, 425405H, B29C 500, B30B 502

Patent

active

043413684

ABSTRACT:
A mold comprising an elongated hollow cylinder having at least two parts that can be locked to form said cylinder, a core having an inflatable cover, said inflatable cover having means to fix the cover on said core, an upper and lower seal for said core capable of forming a tight seal with the core when the cover is inflated on the parts of the cylinder.

REFERENCES:
patent: 3104441 (1963-09-01), Smith
patent: 3184528 (1965-05-01), Norwalk
patent: 3561079 (1971-02-01), Anderson
patent: 3768769 (1973-10-01), Sachs
patent: 3822106 (1974-07-01), Sirera

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