| 摘要 |
PCT No. PCT/CH88/00007 Sec. 371 Date Sep. 21, 1988 Sec. 102(e) Date Sep. 21, 1988 PCT Filed Jan. 11, 1988 PCT Pub. No. WO88/05837 PCT Pub. Date Aug. 11, 1988.A supporting bar of a heddle frame comprises a hollow body and a connecting part (2) adjoining at a narrow side of the hollow body the support of the heddle carrying rod (3) located at its end. The supporting bar including these parts forms a welded structure comprising planar sheet metal section (4-14) forming walls of such parts. Relatively thin sheet metal section (5, 6, 9, 10) forming longitudinally extending broad side walls are welded to sheet metal sections (4, 7, 8, 11, 12) having a considerable larger material thickness and forming longitudinally extending narrow side walls. The planar sheets are welded together by the use of laser welding to form the supporting bar which has a light weight and high alternate bending strength.
|
