Method of making an improved tire building sleeve and said sleev

Details Method of making an improved tire building sleeve and said sleev Method of making an improved tire building sleeve and said sleev

1974-07-20

1976-01-13

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156416, 260 465G, 2604482, 428425, 428451, B29H 1716

Patent

active

039322556

ABSTRACT:
This invention relates to a method of making sleeves or bladders for tire building machines for building bias angle tires, bias belted tires or radial ply belted tires by building the core of the sleeve of natural rubber, high cis polybutadiene, high cis polyisoprene, acrylonitrile-butadiene and butadiene styrene, and covering the outside of the core and at least part of the inside thereof with a layer of polyurethane elastomer, where the expose coat contains 0.5 to 10 percent by weight of silicone polycarbinol as slip agent.

REFERENCES:
patent: 3044533 (1962-07-01), Lowe
patent: 3386875 (1968-06-01), Grote
patent: 3475254 (1969-10-01), Henley
patent: 3506514 (1970-04-01), D'Avello et al.
patent: 3671358 (1972-06-01), Henley et al.
patent: 3837969 (1974-09-01), Mezynski
"Modern Plastics", (Encyclopedia Edition), Magazine being the Vol. 49, No. 10A, Oct. 1972 Issue, pp. 112, 116 and Frontispiece.

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