- Patent Title: Manufacturing method for grip member for insertion tube in heat exchanger, manufacturing method for heat exchanger using said grip member, and air conditioner and/or outdoor unit having said heat exchanger
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Application No.: US14233722Application Date: 2012-07-20
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Publication No.: US09656355B2Publication Date: 2017-05-23
- Inventor: Kenji Tokura
- Applicant: Kenji Tokura
- Applicant Address: JP Osaka
- Assignee: KYOSHIN KOGYO CO., LTD.
- Current Assignee: KYOSHIN KOGYO CO., LTD.
- Current Assignee Address: JP Osaka
- Agent Konomi Takeshita
- Priority: JP2011-173397 20110720; JP2012-173372 20120717
- International Application: PCT/JP2012/069264 WO 20120720
- International Announcement: WO2013/012100 WO 20130124
- Main IPC: B21D41/00
- IPC: B21D41/00 ; B23P15/26 ; B21D41/02 ; B21D53/08 ; F28F1/32 ; F28F1/30 ; F28D1/047
Abstract:
The invention provides a tube-grasping body for grasping an insert tube in a heat exchanger, and heat exchanger production methods and apparatuses utilizing the tube-grasping body, wherein the tube-grasping body enables enlarging and connecting an insert tube to a heat radiating fin for producing a heat exchanger, while still keeping the total length of insert tubes at an almost same level even after the enlargement; and the tube-grasping body is connected at its exterior to a guide-pipe.
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