B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/174
B29D 30/06 (2006.01) B29C 45/16 (2006.01) B29C 45/26 (2006.01)
Patent
CA 1064660
ABSTRACT OF THE DISCLOSURE: An apparatus for molding a pneumatic tire with a body formed from a plurality of coaxial annular layers of elastomeric material, comprises a frame; a generally toroidal core on the frame centered on an axis; a plurality of sets of mutually complementary ring segments with inner radii larger than the core radius, the inner radii being different for the several sets; a plurality of carriers on the frame supporting the ring segments of respective sets with freedom of radial displacement, with reference to the axis, between an outwardly retracted position and a working position in which the segments complement one another to a continuous outer mold wall; transport means coupled with the carriers for successively aligning the segments of sets with progressively larger inner radii with the core, the aligned segments in their working position defining with the core an annular mold cavity; closure means on the frame positionable to seal the mold cavity before admission of elastomeric material into the mold cavity; and actuating means on the frame coupled with the ring segments for displacing same between the retracted and working positions thereof. The apparatus of the invention simplifies the production of vehicular tires.
262526
Na
Polyair Maschinenbau Ges.m.b.h.
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