Title:
DRILLING OR EXPANDING PLUG MOUNTING DEVICE
Document Type and Number:
Japanese Patent JPS57199508
Kind Code:
A
Abstract:
The invention relate to fixing a plug in the end of a bar, the assembly being used for production of cylindrical hollow blanks which will be later rolled. The device comprises a plug including at its rear end a shank which can be introduced into an axial socket provided at one end of the bar. A locking means can be introduced transversely through a hole in the wall of the bar and engage its end within a groove realized around the shank. A retaining means holds the locking means in position. The device is used for rapid mounting and dismantling the plug and bar assembly.
Inventors:
RORAN MARII
PATORITSUKU RAMUBEI
MISHIERU ROKOJI
PATORITSUKU RAMUBEI
MISHIERU ROKOJI
Application Number:
JP19359381A
Publication Date:
December 07, 1982
Filing Date:
December 01, 1981
Export Citation:
Assignee:
VALLOUREC
International Classes:
F16B21/16; B21B25/06; (IPC1-7): B21B25/02