B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/176
B29D 30/06 (2006.01)
Patent
CA 1065109
ABSTRACT OF THE DISCLOSURE The retaining rings for the bead formation of a green tyre in a tyre mould are variable in diameter to allow for increase in the bead diameter of the finished tyre relative to its green state and to prevent damage caused by forcing the beads of a green tyre over bead rings of too large diameter. Preferably the bead retaining rings expand to their maximum diameter in response to the application of curing pressure inside the tyre and automatically retract when curing pressure is relieved.
261802
Dunlop Limited
Na
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