发明名称 Double column eccentric press - has two matched die sections on side of press head and on workpiece table
摘要 <p>The double column eccentric press is for stamping and flanging a holed plate for the manufacture of single and double sprockets for tractors. A fixed table is arranged opposite a reciprocating press head. On the side of the press head facing the table, there is a first die section and on the table surface there is a second die section, where outer face matches the inner face of the first die section. The first die section (3) has flanging rams (9) which can be moved out of the section and fixed in position. The second die section (4) has a cut-out (11) for each ram (9) and to accept an end piece of the corresponding ram (9). A ram-operating device is provided on the first die section (3).</p>
申请公布号 DE2730432(A1) 申请公布日期 1979.01.18
申请号 DE19772730432 申请日期 1977.07.06
申请人 LITZKA,FRANZ,ING. 发明人
分类号 B21D22/02;B21D53/26;(IPC1-7):30B15/02 主分类号 B21D22/02
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