B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/1005, 18/186
B29D 30/06 (2006.01) B29C 35/00 (2006.01)
Patent
CA 1086464
CURING MOLD FOR CURING REPLACEABLE TREAD AND TRACK BELTS A B S T R A C T An apparatus for curing tread and track belts com- prises a plurality of inner segments which fit together to form an outer generally cylindrical mold face surface of an inner cylinder, means for retracting said plurality of inner segments towards the axis of said inner cylinder, and means for heating said plurality of inner segments. A plurality of outer segments fit together to form an inner generally cylindrical mold face surface of an outer cylinder coaxial with said inner cylinder and of generally equal length therewith. Apparatus is provided for retracting said plurality of outer segments away from the common axis of said cylinders. Means is provided for heating said plurality of outer segments. A pair of rings seals said inner cylinder to said outer cylinder at the ends thereof, at least one of the sealing rings being removable so that an uncured tread or track belt is positionable between said plurality of inner and outer segments when said plurality of inner segments is retracted toward said common axis and said plurality of outer segments is re- tracted away from said common axis. The process is concerned with finish forming and curing an uncured tread or track belt in such an apparatus.
280539
Caterpillar Tractor Co.
Smart & Biggar
LandOfFree
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