发明名称 |
Printer ribbon substrates |
摘要 |
An improvement in a composite film substrate suitable for use as an ink carrying ribbon in printing machines. An asymmetrically biaxially oriented, heat set polymeric linear terephthalate ester base film has laminated to one surface thereof a nylon film backing in which the nylon film surface to steel static coefficient of friction is less than about 0.4.
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申请公布号 |
US4016321(A) |
申请公布日期 |
1977.04.05 |
申请号 |
US19750543449 |
申请日期 |
1975.01.23 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MCINTYRE, JR., WILLIAM ERNEST |
分类号 |
B41J31/00;B32B27/00;B41J31/06;B41M5/10;(IPC1-7):B41J31/12;B32B7/02;B32B27/34 |
主分类号 |
B41J31/00 |
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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