B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/151
B29D 30/08 (2006.01) B29D 30/06 (2006.01)
Patent
CA 1142310
A B S T R A C T The process for die casting or injection molding of tires for vehicles essentially consists of at least three process steps, noting that in a first process step the tire body is die cast or injection molded, subsequently a reinforcing is applied to the tire body in circumferential direction and finally a further area of the tire or the tread surface, respectively, is injection molded or die cast onto the tire body A particularly simple apparatus for performing this process comprises a rotatable core (5) for the tire body as well as a guide means (9) for the reinforcing insert(10)to be applied to the tire body The apparatus is in a simple manner provided with two pivotally supported segment groups for defining the casting molds or the injection mold, respectively, so that the apparatus can be made ready for producing the tire body by bringing in operating position the outer segment group, whereupon, after having applied the reinforcing insert(10), by swivelling into position the second segment group, a further area of the tire particularly the tread layer, can be injection molded or die cast (Fig. 4).
326906
Mcfadden Fincham
Polyair Maschinenbau Ges.m.b.h.
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