Mold for making double-toothed belts

Details Mold for making double-toothed belts Mold for making double-toothed belts

1975-03-04

1976-01-27

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Reshaping, resizing or vulcanizing means for tire, tire...

425 40, 249 83, 425129R, B29D 2900, B29H 722

Patent

active

039349683

ABSTRACT:
A mold for shaping a belt having teeth on opposite sides thereof has a hollow cylindrical mandrel with a surface configuration corresponding to alternate grooves and teeth to be formed on one side of the belt and a plurality of bars arranged side by side around the mandrel having surfaces facing the mandrel corresponding to the configuration of teeth and grooves to be formed on the opposite side of the belt. The bars are supported in radially spaced relation with the mandrel surface in slots in the peripheral surface of end members for the cylinder and are adapted to move under pressure radially inwardly.

REFERENCES:
patent: 3114598 (1963-12-01), Beckadolph et al.
patent: 3656360 (1972-04-01), Fix
patent: 3784338 (1974-01-01), Previati
patent: 3813197 (1974-05-01), Ray et al.

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