发明名称 SHOE MOLDS
摘要 <p>A mold for forming an article having a complex shape such as the unitary sole and heel tread member of a woman's shoe and the method of making same wherein the article to be cast is of a material which is injected into said mold in a liquid form. The mold for such articles is formed of first and second mold members defining a molding cavity therein, and at least one of the mold members in the cavity region has a portion which is formed of a heat-resistant rubbery elastic material such as silicone rubber. When the members are operatively assembled together for molding and one of the mold members may be adapted with a sprue for filling said cavity with the material for casting and conduit means disposed in at least one of said mold members extending from the opening in said cavity region through the mold member to the outside thereof. In preferred embodiments, said conduit means is adapted to be coupled to pressurized, fluid supply means.</p>
申请公布号 CA1005210(A) 申请公布日期 1977.02.15
申请号 CA19730165914 申请日期 1973.03.08
申请人 USM CORPORATION 发明人 FREDERICK, EUGENE G.;MORSE, ALBERT I.;SIMMONDS, ROBERT C. (JR.)
分类号 B29C45/34;B29C45/37;B29C45/43;B29D35/00;(IPC1-7):29F1/06 主分类号 B29C45/34
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