专利检索 ap:("The Japan Steel Works, Ltd.") AND inv:"Motoi Nakamura" 第 1 页

1.

发明授权
Kneading disc having band portion with bent part, screw element and extruder 有权

公开(公告)号：US11376760B2

公开(公告)日：2022-07-05

申请号：US16317202

申请日：2017-03-28

申请人： The Japan Steel Works, Ltd.

发明人： Takahide Takeuchi , Motoi Nakamura

IPC分类号： B29B7/42 , B29B7/48 , B29C48/47

摘要： Mixing performance of resin material in the rotational direction of the screw is enhanced. Kneading disc 7 is fitted onto rotatable shaft 3 and is arranged in cylinder 2. Outer circumferential surface 8 of kneading disc 7 of the present invention that faces cylinder 2 has band portion 9 that extends between both ends 7a, 7b of kneading disc 7 in axial direction X of shaft 3 and that forms a minimum gap with cylinder 2. Band portion 9 includes at least one bent part 10.