Magnetic type printing process and multicopy magnetic printing machine
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United States of America Patent
Stats
-
Mar 23, 1982
Grant Date -
N/A
app pub date -
Oct 29, 1979
filing date -
Feb 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic printing process and multicopy magnetic printing machine employing this process is disclosed. The machine comprises a magnetizable carrier 2, magnetic recording transducers 8, an applicator 10 for coating a developer product onto the carrier, a device for application of the carrier coated with the said developer product onto a document 12 which is to be printed and finally a device 16 for erasing the magnetized areas. In accordance with the invention, the developer product utilized contains magnetic particles which are formed by grains whose dimensions are of the order of those of the elementary magnetized areas. The imprint on the document is then produced by pressing.
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