Elastic fixing roller for electrophotographic copying machine
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United States of America Patent
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Jul 2, 1996
Grant Date -
N/A
app pub date -
Mar 28, 1995
filing date -
Sep 2, 1994
priority date (Note) -
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Abstract
An image fixing elastic roller includes a metal core, a sponge layer provided around the metal core, and a fluoroplastic layer provided around the sponge layer, in which the fluoroplastic layer is formed with a plurality of holes in a predetermined distribution for suppressing paper wrinkles from causing, and further, to improve the performance, the fluoroplastic layer is formed with additional holes for providing a higher distribution density at a central portion thereof than at end portions thereof.
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