Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Tire body building type
Patent
1988-08-16
1990-05-08
Hoch, Raymond
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Tire body building type
156126, B29D 3024
Patent
active
049235540
ABSTRACT:
A forming drum to be used in tire building for forming a strip-like belt member having a steel cord buried therein into an annular shape. The forming drum includes a plurality of segments divided in the circumferential direction and made of non-magnetic material, which form substantially cylindrical shapes having different outer diameters as moved in the radial direction, and permanent magnet are buried in the circular arc-shaped surfaces of the segments. Between adjacent segments are mounted cover plates made of non-magnetic material, and a cylindrical outer circumferential surface is formed by these cover plates. Each cover plate is fixedly secured to the circular arc-shaped surface of one of the adjacent segments.
REFERENCES:
patent: 3790425 (1974-02-01), Leblond
patent: 3932256 (1976-01-01), Touchette
patent: 4288265 (1981-09-01), Pacciarini et al.
Bridgestone Corporation
Hoch Raymond
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