METHOD FOR MAKING CAN BODIES HAVING AXIAL RIBS AND STEP SHOULDER BOTTOMS

METHOD FOR MAKING CAN BODIES HAVING AXIAL RIBS AND STEP SHOULDER BOTTOMS

A method for forming at least one rib and a step shoulder bottom of a can body in a single drawing operation from a redrawn cup or preform which has a closed end with an inwardly tapering annular periphery that includes sufficient material to enable formation of the step shoulder bottom without havi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TURNER STEPHEN B
Format: Patent
Sprache:eng ; pol
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
TRANSPORTING
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:A method for forming at least one rib and a step shoulder bottom of a can body in a single drawing operation from a redrawn cup or preform which has a closed end with an inwardly tapering annular periphery that includes sufficient material to enable formation of the step shoulder bottom without having the at least one rib drawn into the step shoulder bottom.