Improvements in the Manufacture of Fittings for Gas and other Pipes.

Abstract

Abstract 17,227. Schmid, C. July 24. Forging; dies and punches. - Apparatus for use in making fittings for gas and other pipes, from solid rod by pressure and perforation, consists of a lower die a having transverse shouldered bores b intersecting the longitudinal bores d. The lower dies may be made in more than one piece so as to close round the hot rod h; the blunt piercer f then descends and nearly pierces the rod, also bulging out the lateral branches i, i. The sharp-edged tool g is next used, and in combination with the harp edges of the shoulder e the part of the rod not pierced is severed. The junction i may be bored or pierced by a punch, and a bored mandrel used to support the fitting.

Inventors

• 👤 Christian Schmid

Bibliographic Details