发明名称 |
METHOD OF MANUFACTURING FILTER PIPE FOR VEHICLE AND FILTER PIPE FOR VEHICLE |
摘要 |
A method of manufacturing a filter pipe for vehicles which has an expanded tube portion with a different diameter at one side and is provided with a plurality of through holes formed along a circumferential direction includes: forming the plurality of through holes in a mother member; forming furrows at one end portion of the mother member; forming a planar member having the plurality of through holes and the furrows by a shearing process of the mother member; bending the planar member in a tubular shape and spreading the furrows to form an area where the furrows are formed in an expanded tube shape; and adhering both facing end portions of the planar member so as to form a body having the expanded tube portion at one side thereof. |
申请公布号 |
US2016089623(A1) |
申请公布日期 |
2016.03.31 |
申请号 |
US201514869534 |
申请日期 |
2015.09.29 |
申请人 |
WOOSHIN INDUSTRIAL CO., LTD. |
发明人 |
CHOI Jung-Song;JANG Yong-Soo;KIM Jung-Hwan |
分类号 |
B01D46/00;F01N3/021;B23P13/00;B01D46/24 |
主分类号 |
B01D46/00 |
代理机构 |
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代理人 |
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主权项 |
1. A method of manufacturing a filter pipe for vehicles which has an expanded tube portion with a different diameter at one side and is provided with a plurality of through holes formed along a circumferential direction, comprising:
forming the plurality of through holes in a mother member; forming furrows at one end portion of the mother member; forming a planar member having the plurality of through holes and the furrows by a shearing process of the mother member; bending the planar member in a tubular shape and spreading the furrows to form an area where the furrows are formed in an expanded tube shape; and adhering both facing end portions of the planar member so as to form a body having the expanded tube portion at one side thereof. |
地址 |
Dangjin-si KR |