Title: Machine for treating worn out pneumatic tires and for applying a pre-molded tread ring

Abstract: A machine for retreading worn-out pneumatic tires comprises a chuck which is adapted to support a tire to be retreaded, an arrangement for rotating the tire, a peeling arrangement for removing the worn-out tread, a finishing arrangement for preparing the surface of the carcass for application of a new tread ring thereto, an arrangement for expanding the new ring and positioning the same on the carcass, and an arrangement for pressing the positioned tread ring against the tire, all of the arrangements being mounted on a common support with said chuck either axially or radially of the same for selective sequential movement toward and away from the tire to be retreaded.

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Inventors: Marangoni, Carlo

Application Number: 577111
Filing Date: 1975-05-13
Publication_date: 1977-07-19
Assignee:
Primary Class(es): 156/421.6 156/96, 156/126, 156/153, 156/909, 157/13, 451/920
Other Classes:
US Patent Ref:

B329612	Jan, 1975	Edler	156/394.
2674309	Apr, 1954	Bigelow	51/5.
2878857	Mar, 1959	Smith et al.	156/394.
2937676	May, 1960	Smyser	157/13.
3219510	Nov, 1965	Frazier	156/127.
3277944	Oct, 1966	Curry	157/13.
3426828	Feb, 1969	Neilsen	51/DIG.
3561908	Feb, 1971	Reinfeld	51/5.
3965959	Jun, 1976	Weir	157/13.

Other Refs:
Primary Examiner: Drummond, Douglas J.
Assistant Examiner: Kittle, John E.
Attorney: Striker; Michael J.