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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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