B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
18/185, 154/55
B32B 1/08 (2006.01) B32B 5/26 (2006.01) B60C 9/10 (2006.01)
Patent
CA 1121706
ABSTRACT A method of preparing blanks for radial-ply tires having a predetermined bead core diameter comprising the steps of: extru- sion coating individual, elongated, reinforcing members aligned in a tubular array with a vulcanizable rubber composition; longitudi- nally moving the coated members aligned in a tubular array in a common direction while circumferentially spaced about an axis ex- tending in the direction; interconnecting the moving members by circumferentially extending deformable connecting means, thereby forming a tube about the axis, the tube having a diameter sustant- ially equal to the bead core diameter; severing the tube into axially consecutive sections; mounting the tube sections on a build- ing drum; incorporating bead rings into the axial terminal portions of the sections; radially expanding the axially central portion of each section while substantially maintaining the diameter of the axially terminal portions of each section, so as to form a toroid- ally shaped tire blank; and the deformable connecting means in the axially central portion being circumferentially deformed during the step of radially expanding so that the circumferential distance of the reinforcing members is increased in the axially central position.
291875
Borden Ladner Gervais Llp
Hischmann Technik Ag
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