METHOD OF PRODUCING SOLDERED-THREADED JOINT AND METHOD OF ELIMINATING DRY JOINTS THEREIN Russian patent published in 2010 - IPC B23K1/00 B23K33/00 

Abstract RU 2400335 C1

FIELD: process engineering.

SUBSTANCE: invention can be used in making and repairing various structures with threaded joints. Prior to filling the thread with solder, 0.1-0.25 mm-wide capillary channel 3 is made in parts 1 and 2 to be jointed together that crosses threads of jointed parts. Joint thread is soldered in vacuum to allow molten solder 7 to flow in capillary channel to threads. Said capillary channel is made in each part or one of parts part to be jointed, either prior to or after filling the thread with solder. To eliminate dry joints, capillary channel is made in soldered joint to cross threads and soldering is made again.

EFFECT: higher quality and tightness of threaded permanent joint.

4 cl, 5 dwg

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RU 2 400 335 C1

Authors

Bakulin Sergej Stepanovich

Livurdov Vladimir Ivanovich

Mukhametov Gennadij Safronovich

Simakov Viktor Pavlovich

Sharonova Natalija Ivanovna

Dates

2010-09-27Published

2008-12-29Filed