Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Plural female molds for plural preforms
Patent
1986-03-07
1987-06-02
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Plural female molds for plural preforms
425 35, 425 52, B29D 3004, B29C 3300
Patent
active
046699643
ABSTRACT:
A tire vulcanizer which includes a lower mold assembly secured to a press base, an upper mold assembly held movably up and down on a press side frame and provided to be opened and closed with respect to the lower mold assembly, a molding bladder expansible with respect to a center mechanism of the lower mold assembly and pressurized heating medium supplying means, wherein for maintaining a parallelism of the upper and lower mold assemblies, a torsion shaft for maintaining the parallelism which is movable up and down and rotatable about an axis in synchronism with the upper mold assembly is mounted at a position parallel to the press base, at a right angle to the side frame and not interfering with the upper and lower mold assemblies.
REFERENCES:
patent: 1812792 (1931-06-01), Kilborn
patent: 2343881 (1944-03-01), Brundage
patent: 3816217 (1974-06-01), Barefoot
Amano Itaru
Fujieda Yasuhiko
Ichikawa Katsumi
Kanzawa Masahide
Misumi Shikao
Hoag Willard E.
Kabushiki Kaisha Kobe Seiko Sho
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