Title:
MANUFACTURE OF FINNED CYLINDER
Document Type and Number:
Japanese Patent JPS58154432
Kind Code:
A
Abstract:
PURPOSE: To manufacture a titled cylinder at a low cost, by using a hollow cylindrical, solid cylindrical or specially shaped billet and pressing from the opposite direction by punches and thereby broadening the range of application of worked material at high productivity.
CONSTITUTION: A hollow cylindrical, solid cylindrical or specially shaped billet X is pressed from the opposite direction by extruding with punches P, P' and a cylinder provided with fins is manufactured.
Inventors:
UCHIDA YUKIHIKO
Application Number:
JP3519082A
Publication Date:
September 13, 1983
Filing Date:
March 08, 1982
Export Citation:
Assignee:
UCHIDA YUKIHIKO
International Classes:
B21J5/06; B21C37/20; B21K1/06; F02F1/30; (IPC1-7): B21J5/00; B21K3/02