Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Post cure inflator
Patent
1976-10-28
1977-08-30
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Post cure inflator
425 36, 425 38, 425 33, B29H 502
Patent
active
040451500
ABSTRACT:
Device for centering and positioning the upper bead of a horizontally disposed crude tire around a bead ring provided centrally of the upper, vertically movable portion of the mold in a vulcanizing press of the type comprising a set of radial segments disposed in a central cavity in the upper mold portion, said segments having their operative ends shaped to constitute together a tapered centering member; a vulcanizing bladder is firstly inflated moderately in order to push said upper bead against said tapered centering member, whereafter said segments are allowed to retract radially and rise in said cavity under the bladder pressure until the upper bead is force fitted around the bead ring.
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patent: 3260782 (1966-07-01), Soderquist
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patent: 3809423 (1974-05-01), Gaquist
patent: 3846058 (1974-11-01), Yoshida et al.
patent: 3988077 (1976-10-01), Naratov et al.
Flint, Jr. J. Howard
Zelant, Gazuit
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