B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
154/30, 154/29.0
B65B 61/12 (2006.01) B65B 51/26 (2006.01)
Patent
CA 1082581
Abstract of the Disclosure A sealing wheel has a pneumatic tire with means whereby the flexure of the tire may be altered to compen- sate for dimensional differences in associated parts so that a required sealing pressure may be maintained. In one embodiment, a plurality of sealing wheels are mounted on a common shaft, the tire of each wheel being coupled with a source of compressed air, the air line for each tire having a pressure regulator so that the several tires may be regulated independently of each other, or coupled with a common source so that all tires may be regulated together. In one embodiment of the invention there may be a partial filling of the tire with liquid of a type which will bring about a more even distribution of heat where there is heat sealing.
268959
Pratt Manufacturing Corp.
Smart & Biggar
LandOfFree
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