B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
154/18
B29D 30/32 (2006.01) B29D 30/26 (2006.01)
Patent
CA 1086621
TURN-UP OR TURN-OVER BLADDER FOR TIRE BUILDING MACHINES Abstract of the Disclosure An annular bladder providing both circumferential expansion and rolling movement normal to its circumference in response to inflation thereof, said bladder having a cylindrical outer wall extending between a forward edge and a rearward edge and being turned radially and axially inward at the respective edges, the bladder comprising a first and a second circumferential zone and in said outer wall a transition zone, said first zone extending in a forward direction from said transition zone, said second zone extending in a rearward direction from said transition zone, said first zone having greater resistance to cir- cumferential elongation relative to the second zone and said second zone having lesser resistance to circumferential elongation relative to the first zone, said transition zone being located a predetermined distance forward of the rearward edge of said bladder when the same is uninflated. The foregoing abstract is not to be taken as limiting the invention of this application, and in order to under- stand the full nature and extent of the technical dis- closure of this application, reference must be made to the accompanying drawing and the following detailed description.
283890
Head William J.
Kampinga Erik R.
Rodseth John K.
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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