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Injection molding of reinforcing ribs on flat walls comprises introducing blowing gas at end of rib to blow-mold rib during hardening
Injection molding of reinforcing ribs on flat walls comprises introducing blowing gas at end of rib to blow-mold rib during hardening
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机译:在平坦壁上注塑增强筋包括在硬化过程中将筋端的吹塑气体引入到吹塑筋中
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摘要
Reinforcing ribs (30) are molded in a single process on to flat walls (202) by using a mold which provides a gas feed channel at the end of the rib. After the initial molding stage gas is injected into a thicker region (21) to produce a gas channel and blow-mold an enlarged hollow rib.
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