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
1996-10-18
1998-07-07
Knable, Geoffrey L.
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...
1563941, 425 38, 425 58, B29D 3006, B29C 3108
Patent
active
057765081
ABSTRACT:
A method of loading a green tire on a bladderless tire vulcanizer of the inside gripping type and an apparatus thereof, in which both bead portions of the green tire can be inserted into respective bead rings of a mold accurately and reliably. The constitution is such that, on a bladderless tire vulcanizer having a pair of upper and lower pressing members 8 and 9 in opposition to the upper and lower bead rings of tire molds and capable of being expanded and shrunken to mold the inner surfaces of the bead portions of the tire, a green tire is supplied to a position above a lower mold 4 from above the shrunken pressing members 8 and 9 while the inside of the upper bead portion of the green tire is gripped; the pressing members 8 and 9 are interposed between the upper and lower beads of the green tire whose upper bead portion is gripped; the pressing members 8 and 9 are expanded radially; the gripping of the green tire is released; the green tire is shifted to the pressing members 8 and 9; the pressing members 8 and 9 are lowered; and the lower bead portion of the green tire is seated on the lower bead ring 5 portion of the lower mold.
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Knable Geoffrey L.
Mitsubishi Jukogyo Kabushiki Kaisha
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