发明名称 MULTILAYERED SHEET FORMING METHOD AND FEED BLOCK FOR FORMING MULTILAYERED SHEET
摘要 PROBLEM TO BE SOLVED: To provide a multilayered sheet forming method making it unnecessary to prepare an exclusive T-die for forming a multilayered sheet and capable of reducing cost. SOLUTION: The first and second molten resins R1, R2 extruded by first and second extruders 1, 2 are allowed to meet each other and laminated in a circular cross-sectional shape state by the confluent adaptor 20 of a feed block 10 and the molten resins R1, R2 in this laminated state are guided to a single-layered type T-die 3 in the circular cross-sectional shape state to be molded into a sheet.
申请公布号 JP2000289085(A) 申请公布日期 2000.10.17
申请号 JP19990100867 申请日期 1999.04.08
申请人 TSUTSUNAKA PLAST IND CO LTD 发明人 YAMANAKA TAKUJI;SERA MASAYA;BETSUMIYA HIROYUKI
分类号 B29C47/06;B29C47/14;B29C47/56;B29L9/00;(IPC1-7):B29C47/14 主分类号 B29C47/06
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