Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Toroidal or annular female shaping means and coacting means...
Patent
1991-11-20
1993-02-16
Hart, Charles
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Toroidal or annular female shaping means and coacting means...
425 46, 425 55, B29C 3500
Patent
active
051869527
ABSTRACT:
A mold including a pair of bodies engageable with each other and each including an annular recess, an annular groove and an annular depression, a ring being engaged in the annular recess and the annular groove respectively, and one or more rings corresponding to the tread portion of the tire being engaged in the annular depression of each of the bodies, a mold cavity for forming the tire being formed in the bodies and the rings, the rings engaged in the annular depressions being arranged in parallel with each other so that the rings can be stably and properly retained in place.
REFERENCES:
patent: 3590433 (1971-07-01), Rawls
patent: 3850555 (1974-11-01), Pasch
patent: 3989791 (1976-11-01), Tippin
patent: 4568259 (1986-02-01), Mattson
Hwang David
Lo Tsai J.
Cheng Shin Rubber Ind., Co., Ltd.
Hart Charles
Ming King Ind., Co., Ltd.
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