发明名称 |
DUPLICATING DEVICE AND METHOD UTILIZING HEAT BUILDING IN AN ENCLOSED STACK OF SHEETS |
摘要 |
A flat hand-operated heating platen, to which is temporarily attached to an image master, produces a number of identical copies by a rhythmic "rubber stamp" dry duplicating process wherein partial depletion of reactants in the master image is compensated for by automatic increase in heat in the stack of receptor sheets.
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申请公布号 |
US3683807(A) |
申请公布日期 |
1972.08.15 |
申请号 |
USD3683807 |
申请日期 |
1970.02.24 |
申请人 |
MINNESOTA MINING AND MFG. CO. |
发明人 |
GLENN R. ANDERSON |
分类号 |
B41L9/00;B41M5/035;(IPC1-7):B41L11/02;B41L11/06 |
主分类号 |
B41L9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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