| 摘要 |
A rapid resin or pitch transfer molding apparatus, and a method of using it. The apparatus of this invention comprises: means for melting and conveying a resin or pitch; a mold ( 3 ) arranged so that melted resin or pitch is conveyed from the melting and conveying means into an annular mold cavity ( 1, 35 ) within an insert ( 2 ) in the molding apparatus, wherein said insert comprises means ( 6, 7, 8, 9, 86 ) for effecting flow of the resin or pitch from the top ( 87 ) and bottom ( 85 ) of the mold cavity ( 1, 35 ) to vents ( 22, 25, 81 ) located in the center of, at the top and/or bottom of, and/or annularly around the mold cavity ( 1, 35 ); and means disposed at the mold to constrain the mold during supply of the resin or pitch into the mold.
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