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US 2002/0158183 A1Published application
Mold structure for plastic art, manufacturing method thereof, and plastic art
OwnerTomio Kobayashiinventor
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Abstract
This invention offers the new molds assembly structure for a plastic art, which enables the both of the complicated design molding process and low material cost of the mold for mass-production by applying the inner silicone rubber portion and the outer plaster portion.
Claims5
The molds assembly having at least one composite mold part, which have the outer plaster portion and the inner silicone rubber portion, and the silicon rubber portion faces the molding space to be cast a molding material and possesses the protuberances of the silicon rubber surface at the interface between the plaster portion and the silicon rubber portion.
Dependencies are inferred from the claim text.