| 摘要 |
1294501 Welding by fusion; brazing; making hollow-ware; jointing CLARK EQUIPMENT CO 21 May 1970 [12 June 1969] 24579/70 Headings B3A B3R and B3V A wear plate 12 of abrasion resistant material which is difficult to weld is held fastened to the bottom plate 10 of a loader bucket by the force arising from shrinkage stress in the weld or braze 20 which connects a member 14, sunk below the surface 12 of the wear plate, and the bottom plate 10. Each wear plate has a plurality of frusto-conical holes 16 and matching locking rings 14 are placed therein so as to provide a gap with the bottom plate 10 and are then welded, e.g. by the electric arc or oxyacetylene process or brazed to the bottom plate 10. |
