Welding connection tube for a valve or multi-tube connector

Details Welding connection tube for a valve or multi-tube connector Welding connection tube for a valve or multi-tube connector

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 13/08 (2006.01)

Patent

CA 2233050

An improved welding connection tube for use in a valve or in a metallic multiple-tube connector is provided with at least two consecutive helical rings of a receiving groove extending inwardly from the frontmost edge of each welding connection tube. A leading cut is defined at the starting point of the helical or spiral receiving groove A soft solder strip of a proper length shorter than the length of the helically extended receiving groove is made also in a helical shape so that the solder strip can be easily moved into the welding connection tube of a valve or a multiple tube connector along the helical receiving groove with the end of the solder strip lying flush with the opened end of the welding connection tube. In assembly, a tube or pipe is spirally inserted into the welding connection tube and then heat is applied to the outer face of the welding connection tube so as to get the helical solder strip melted for effecting sealed connection.

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