Muffler shell forming machine
United States Patent 2736284
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Inventors:
Jacokes, Benton D.
Publication Date:
02/28/1956
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Assignee:
WALKER MFG COMPANY OF WISCONSI
Primary Class:
72/52
Other Classes:
72/478, 72/193, 29/521
International Classes:
B21C37/10; B21C37/06
US Patent References:
1327641Machine for forming metal tubes
1495928Stovepipe iron
1651140Metal-working machine
1793629Strip-corrugating machine
1905839Sash forming machine
2241768Silencer construction