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US 2005/0238744 A1Published application
Forming mold
AssigneeSumitomo Rubber Industries, Ltd.
InventorYoshiyuki Nakai
Life of this patent
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Abstract
A mold used to form a rubber or resin article comprises a shaping surface for shaping a surface of an object to be molded, and a vent structure for releasing air between the shaping surface and the surface, wherein the vent structure includes EDM vents each having a gap of not more than 0.1 mm at the shaping surface.
Claims15
A forming mold comprising
- a shaping surface for shaping a surface of an object to be molded, and
- a vent structure for releasing air between the shaping surface and said surface, wherein
- said vent structure includes EDM vents each having a gap of not more than 0.1 mm at the shaping surface.
Dependencies are inferred from the claim text.