Title:
DEVICE FOR MOLDING SPLIT PIPE FROM BAND MATERIAL THROUGH DRAWING MACHINING
Document Type and Number:
Japanese Patent JPS5791820
Kind Code:
A
Abstract:
A die member has a conical bore with a cylindrical extension, and a shallow groove in the conical bore; a conical mandrel with a cylindrical extension fills the conical bore, except for the groove which merges into an annular space between the cylindrical bore and the extension. A metal strip is pulled through the groove and the space is to be folded into a split tube.
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Inventors:
YOHANESU BUATSUSEN
JIIKUFURIITO HONITSUSHIYU
JIIKUFURIITO HONITSUSHIYU
Application Number:
JP15603981A
Publication Date:
June 08, 1982
Filing Date:
September 30, 1981
Export Citation:
Assignee:
MANNESMANN AG
International Classes:
B21C37/08; B21C3/02; (IPC1-7): B21C1/24
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