Method for treading tyres

Details Method for treading tyres Method for treading tyres

B - Operations, Transporting

29

D

18/133

B29D 30/56 (2006.01) B29D 30/08 (2006.01)

Patent

CA 1060614

ABSTRACT OF THE DISCLOSURE A method of treading or re-treading tyres involves compression of the wearing surface of the tread. A tread strip, which may be an annular band, is compressed in a direction paral- lel to its longitudinal axis and is bonded to a tyre carcass, while being maintained under compression. This may be done by compressing a tread band into an undersized mould by using a mould in which a series of transversely extending rods spaced around the periphery of the mould bold the tread strip away from the mould. Removal of the rod allows the band to fit snugly against the mould. Alternatively, the tread strip may be of finite length, for example to form a lug, in which case the strip is formed with a radius of curvature less that of the surface to which it is to be applied, so that the convex (wearing) surface of the strip is compressed upon application to the carcass.

208176

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