DOUBLE TUBE JOINT AND BRAZING METHOD OF DOUBLE TUBE JOINT AND DOUBLE TUBE

Japanese Patent JP3949484

B2

PROBLEM TO BE SOLVED: To provide a double tube joint, and a brazing method of the double tube joint and a double tube suitably applied to the double tube of integrally molding an outer tube, an inner tube, and a connecting rib.
SOLUTION: This double tube joint 50 is used for connecting the double tube 100 of integrally molding the outer tube 101, the inner tube 102, and the connecting rib 103 by extruding and drawing, and forms a stopper 511 for locking the tip of an outer tube end part 101a, and a tapered receiving part 523 for holding a brazing material 522 for brazing a through part for allowing the exposed inner tube to penetrate through a branch part 500. At brazing time, the receiving part exhibits the function of temporarily holding the brazing material, and the function of fastening the melting brazing material by turning an opening port 523a upward.

WO/2023/223831

HEAT TRANSFER PIPE, HEAT EXCHANGER, PIPE EXPANDING TOOL, PIPE EXPANDING DEVICE, METHOD FOR CONNECTING HEAT TRANSFER PIPE AND PIPE, AND METHOD FOR MANUFACTURING HEAT EXCHANGER

Hiromi Takasaki
Yukazu Takamatsu
Koji Murayama

JP2002089786A

July 25, 2007

March 27, 2002

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Calsonic Kansei Co., Ltd.

F16L13/08; B23K1/00; B23K1/14; B23K1/18; B60H1/32; F16L39/00; F28D7/10; F28F9/06; F28F9/18; F28F9/26; B23K101/06; (IPC1-7): F16L13/08; B23K1/00; B23K1/14; B60H1/32; F16L39/00; F28D7/10; F28F9/06; F28F9/18; F28F9/26; //B23K101:06

JP2001235081A
JP59010588U
JP4210189A
JP4300071A
JP4344871A
JP7256444A
JP3157593A
JP63230269A
JP52035736A
JP2001208269A
JP62018572U
JP57165394U
JP48114319U
JP62153488U
JP59195288U

Mikio Hatta
Atsushi Nogami
Yasuo Nara
Etsuko Saito
Katsuyuki Utani

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