发明名称 Process for producing hollow moldings
摘要 A process for continuously producing an irregular shaped hollow molding includes the steps of extruding a molding material from a molding opening to form the first portion of the hollow molding, and continuously passing the molding material extruded from the molding opening through a molding clearance or molding opening to form the second portion of the hollow molding after the desired length of first portion is obtained. One of the forming steps of the first and second portions includes a step for discharging an excessive molding material.
申请公布号 US5110529(A) 申请公布日期 1992.05.05
申请号 US19910660865 申请日期 1991.02.26
申请人 TOKAI KOGYO KABUSHIKI KAISHA 发明人 ARIMA, HIDETOSHI
分类号 B29C47/12;B29C47/74 主分类号 B29C47/12
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