B - Operations – Transporting – 60 – C
Patent
B - Operations, Transporting
60
C
B60C 11/12 (2006.01) B29D 30/06 (2006.01) B60C 11/04 (2006.01) B60C 11/13 (2006.01)
Patent
CA 2261237
Method of molding a tire tread and a tread (6) are disclosed. The mold (2) has at least one mold rib (20) having a plurality of notches cut into the rib forming flow paths (30) across the mold rib which allow the tread rubber to uniformly flow to adjacent tread element forming recesses (22) within the mold (2). The resultant tread (6) has at least one groove (40) having rubber filled flow paths (30).
Cette invention se rapporte à un procédé de moulage d'une bande de roulement de pneumatique et à une bande de roulement (6). Le moule (2) utilisé comporte au moins une nervure de moulage (20) dans laquelle sont taillées une pluralité d'encoches constituant des voies d'écoulement (30) à travers ladite rainure de moulage qui permettent au caoutchouc de la bande de roulement de s'écouler uniformément en direction d'éléments adjacents de la bande de roulement formant des évidements (22) à l'intérieur du moule (2). La bande de roulement résultante (6) possède au moins un sillon (40) ayant des voies d'écoulement (30) remplies de caoutchouc.
Sim & Mcburney
The Goodyear Tire & Rubber Company
LandOfFree
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