B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
164/21, 164/41
B29D 30/68 (2006.01)
Patent
CA 2024957
ABSTRACT OF THE DISCLOSURE TIRE TREAD GROOVING APPARATUS AND METHOD A cutting head assembly (28) is diametrically opposed to a foot assembly (30) which is capable of gripping a portion of the tire. A fluid cylinder (32) is attached at one end to the foot assembly (30) and has a movable shaft extending from the other end. The shaft is connected to the cutting head assembly (28) for moving it between a first and second portion with respect to the foot assembly (30). The cutting head assembly (28) has a cutting blade (38) attached thereto. The cutting blade (38) is substantially "U" shaped having each free end attached to a conductive material, such as blocks of brass. The conductive material is then attached to an electrical power source (24) to provide heating of the blade. The cutting blade is placed such that it engages a portion of the tire tread while the foot assembly engages a portion of the tread and/or sidewall. Once the blade is heated the fluid cylinder forces the blade through the tread towards the foot assembly.
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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