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
1989-12-04
1991-07-30
Hoag, Willard E.
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...
435193, 435195, 435383, 435411, B29C 3504
Patent
active
050355910
ABSTRACT:
A vulcanizing apparatus having penetrating passages connected and communicated with a jacket portion of a mold member. An upper open end portion of one of the penetrating passages is connected to a steam inlet pipe while an upper open end portion of the other penetrating passage is connected to a steam outlet pipe. The connections and communications of the jacket portion with the steam inlet and outlet pipes can be simultaneously and efficiently completed in a single operation. Inner tubes are slidably disposed along the penetrating passages and pressed against the connecting surface of the mold, and appropriate pressure is applied on the seal packing member on the connecting surface independent from the clamping force of the upper mold in order to ensure reliable sealing.
REFERENCES:
patent: 245229 (1881-08-01), Scott
patent: 3948283 (1976-04-01), Asfura et al.
patent: 4379104 (1983-04-01), Koorevaar
patent: 4580959 (1986-04-01), Pissorno et al.
Hasegawa Akira
Ijiri Masaaki
Irie Nobuhiko
Katayama Hideaki
Kobayashi Michihito
Hoag Willard E.
Mitsubishi Jukogyo Kabushiki Kaisha
Sumitomo Rubber Industries Ltd.
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