摘要 |
PURPOSE:To form handle part in a square with good face without any bur and to make the twisted handle part of the titled integrated tableware having no deposition zone in a good shape by subjecting the handle part of a square cross section integrally blanked with a spoon part, etc., to a punching-shaping it in the reverse direction to the blanking direction. CONSTITUTION:A spoon part 1 and handles part 2 are subjected to a blanking by integrating them from a plate stock. The square sectional handle part 2 thereof is abutted to a die A in the reverse direction to a blanking direction and the sheared face forming a slight gradient is subjected to a shaping. The sheared face becomes in a good shaped face without burr. With twisting this handle part 2 under the impression of tension, the twist becomes in a good pitch having no burr and a twisted handle part 3 is made in a good shape. This product has no deposition part and the twisted handle tableware having no defect by thermal effect is obtd.
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