Improvements in and relating to the clinching of nails, when joining pieces of wood or the like

摘要

642,334. Clinching nails. HYRESGASTERNAS SPARKASSE-OCH BYGGNADSFORENINGARS RIKSFORBUND U.P.A. Jan. 13. 1948, No. 986. Convention date, Jan. 16, 1947. [Class 89(ii] [Also in Group XXX] In the manufacture of wooden articles by connecting parts by nails, these are arranged to penetrate into circular transverse holes 3, Fig. 4, in one of the parts 1, in which they are clinched by a drift driven through the holes laterally. The holes may be other than circular as at 6.