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Twin-screw extruder including variable diameter of screws and barrel and kneading method using the twin-screw extruder including variable diameter of screws and barrel

机译：螺杆和机筒直径可变的双螺杆挤出机以及螺杆和机筒直径可变的双螺杆挤出机的捏合方法

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摘要

One embodiment provides a twin-screw extruder which is used to knead materials and has excellent productivity. The twin-screw extruder includes screws. The screws include double thread screws in which first screw portions engage with each other. Ratio D1/C of external diameter D1 of the first screw portion to a shaft distance C ranges from 1.25 to 1.40. The screws further include triple thread screws in which third screw portions engage with each other. Ratio D3/C of external diameter D3 of the third screw portion to the shaft distance C ranges from 1.05 to 1.10. External diameter D2 of a second screw portion decreases gradually from the first screw portion toward the third screw portion.

机译：一个实施方案提供了一种双螺杆挤出机，其用于捏合材料并具有优异的生产率。双螺杆挤出机包括螺杆。螺钉包括双螺纹螺钉，其中第一螺钉部分彼此接合。第一螺纹部的外径D 1 与轴距C的比D 1 / / C在1.25〜1.40的范围内。螺钉还包括其中第三螺钉部分彼此接合的三螺纹螺钉。第三螺杆部分的外径D 3 与轴距C之比D 3 / C在1.05至1.10的范围内。第二螺纹部的外径D 2 从第一螺纹部向第三螺纹部逐渐减小。 展开▼

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公开/公告号US10532492B2

专利类型

公开/公告日2020-01-14

原文格式PDF

申请/专利权人 TOSHIBA KIKAI KABUSHIKI KAISHA;
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申请/专利号US201514941439

发明设计人 AKIYOSHI KOBAYASHI;TOSHIKI NAKAZAWA;MASATOSHI OHARA;HIROYUKI SAITO;
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申请日2015-11-13

分类号B29B7/48;B29C48/52;B29C48/53;B29C48/40;B29C48/645;B29B7/82;B29B7/90;B29B7/84;B29K23;B29K105;B29K509;

国家 US

入库时间 2022-08-21 11:29:12

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