| 摘要 |
603,518. Making nails. TINNERMAN PRODUCTS, Inc. Oct. 23, 1945, No. 27855. Convention date, April 20. [Class 83 (ii)] [Also in Group XXV] A nail of the form shown in Fig. 3 is made from circular section wire. A length is cut off, the ends are upset to form the heads 16, 17 and the shanks are swaged to form the notches 13, 14 and the edge 15. The blanks are then bent into U-form. U.S.A. Specification 2,355,955 is referred to.
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