Apparatus for casting or injection-molding car tires

Details Apparatus for casting or injection-molding car tires Apparatus for casting or injection-molding car tires

1977-06-10

1978-11-07

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

425 34R, 425129R, 425130, 425 46, 425 47, 425 39, 425 54, 425542, 425577, 425589, B29F 100, B29H 502, B29H 508

Patent

active

041243455

ABSTRACT:
Apparatus casting for injection-molding car tires whose internal contour is determined by a core and whose external contour is established by mold shells which are, at least partially, provided with lateral shells movable in an axial direction, thereby the various regions of the tires being cast or injected in separate operations. The mold shells, in addition to lateral shells, are provided with external segments and at least two external segments of different shape are pivotedly attached to segment holders positioned around the tire being produced so that the segment holders are radially adjustable with respect to the tire under production.

REFERENCES:
patent: 3302243 (1967-02-01), Ludwig
patent: 3319300 (1967-05-01), Hehl
patent: 3730658 (1973-05-01), Marra
patent: 3741696 (1973-06-01), Greenwood
patent: 3833323 (1974-09-01), Pasch
patent: 3837986 (1974-09-01), Gorter et al.
patent: 3852006 (1974-12-01), Irie
patent: 3924982 (1975-12-01), Yang et al.
patent: 3999907 (1976-12-01), Pappas
patent: 4043725 (1977-08-01), Schmidt

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