MANUFACTURING METHOD FOR HEAT EXCHANGER FIN

Title:

MANUFACTURING METHOD FOR HEAT EXCHANGER FIN

Document Type and Number:

WIPO Patent Application WO/2016/103444

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing a manufacturing method for heat exchanger fin in which metal belt-like bodies having a product width are not tangled with each other even when the metal belt-like bodies having the product width are sagging downward and intermittently fed. As a solution, this manufacturing method for heat exchanger fin comprises: a step for forming a metal belt-like body (48); a step for forming metal belt-like bodies (49) having a product width by an inter-row slit device (52) and feeding out the metal belt-like bodies (49) having the product width by a first feeding device (50); a step for feeding the metal belt-like bodies (49) having the product width into a cut off device (60) by a second feeding device (62) after causing the metal belt-like bodies (49) having the product width to sag downward; and a step for forming a heat exchanger fin (30) by cutting each of the metal belt-like bodies (49) having the product width into a predetermined length by the cut off device (60), wherein the lengths of the metal belt-like bodies (49) having the product width between the inter-row slit device (52) and the cut off device (60) are preset to be different between the adjacent metal belt-like bodies (49) having the product width.

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Inventors:

MORISHITA KEIICHI (JP)
KARASAWA MASANAO (JP)

Application Number:

PCT/JP2014/084500

Publication Date:

June 30, 2016

Filing Date:

December 26, 2014

Export Citation:

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Assignee:

HIDAKA SEIKI KK (JP)

International Classes:

B21D53/08

Foreign References:

JP2014087830A	2014-05-15
JPH05338872A	1993-12-21
JPH0335958U	1991-04-08

Attorney, Agent or Firm:

WATANUKI PATENT SERVICE BUREAU (JP)
A patent business corporation Watanuki international patent and a trademark office (JP)

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