FASTENING PART TO BE WELDED TO, DEVICE FOR WELDING FASTENING PART AND UNIT FOR FASTENING COMPLETING PART TO FASTENING PART BEING WELDED Russian patent published in 1999 - IPC

FIELD: mechanical engineering. SUBSTANCE: part may be welded to required structural member by means of arc welding. It is made in form of flexible sleeve with longitudinal cut. According to preferable version, both its ends are identical for ease of sorting-out and accurate lay-out in welding equipment; they are provided with internal threaded holes. Welding equipment for welding elongated fastening parts is provided with feed passage and axially shifted holder for fastening parts. Axially shifted holder is made in form of rigid pipe where fastening parts having form of flexible sleeves are held. Unit for connecting completing part to fastening part includes completing part which may be fitted on fastening part by friction method and by method of geometric engagement. Completing part may be provided with projection for engagement with holder mounted on outer wall of fastening part. EFFECT: enhanced reliability. 27 cl, 20 dwg