B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/152
B29C 33/38 (2006.01) B29C 33/42 (2006.01)
Patent
CA 2010804
Split dies include an upper die and a lower die for casting small segments constituting tread pattern forming portions of a tire mold. The lower mold includes a telescopic die having an upper surface forming a die bottom wall having a configuration corresponding to the tread pattern forming portions of the small segments. The lower mold further includes a main die having a cavity for receiving the telescopic die and having side walls surrounding the cavity to form die inner walls whose configuration corresponds to side walls of the small segments.
Kamata Sachiko
Katsumata Shirou
Ota Kazuhiko
Tanaka Hideaki
Bridgestone Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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