Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1981-03-16
1983-04-05
Anderson, Philip E.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264 457, 264 464, 264 469, 2642711, 264274, 264275, 264311, 2643283, 264DIG83, 425 34R, 425 35, 425 40, 425543, 425552, 425576, B29D 2700
Patent
active
043791042
ABSTRACT:
The invention relates to a method of moulding a tire for a wheel rim by means of a mould having mould parts, said mould parts being movable between a closed working position in which they enclose a mould cavity with the shape of the tire and an open position in which said mould parts are spaced apart, wherein in the open position of the mould parts a hollow tire core is positioned in the mould cavity while being receivable with respect to said parts, wherein the mould parts are moved into the working position, in which a residual cavity not occupied by the tire core is left free in the mould cavity, said residual cavity. Preferably the tire core is arranged on the wheel rim before being positioned with respect to the mould parts. The invention also provides a device for moulding a tire and a tire obtained with the aid of the method and device.
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