Machine for molding and curing tread rings for pneumatic tires
OwnerCarlo Marangoniinventor
Life of this patent
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Abstract
A machine to perform in one single operating cycle the molding and curing of tread rings for pneumatic tires, including a central drum rotating around its own axis and translatable about itself, surrounded by a stationary annular carrying structure, carrying radially a plurality of hydraulic or pneumatic double acting cylinders, each rod of the said cylinders being provided at its end turned towards the drum with a mold carrying platen to which there is fixedly secured the mold which is part of a complete annular form and which is part of a complete annular form and which may radially translate with synchronous movement, either going near or away from the surface of the said central drum.
Claims8
A machine to perform in one single operating cycle the molding and curing of tread rings for pneumatic tyres, including a central drum rotating around its own axis and translateable about itself, surrounded by a stationary annular carrying structure, carrying radially a plurality of double acting cylinders;
- each rod of the said cylinders being provided at its end turned towards the drum with a mold carrying platen to which there is fixedly secured the mold which is part of a complete annular form and which may radially translate with synchronous movement toward and away from the surface of the said central drum.
Dependencies are inferred from the claim text.