Presses – Concurrent pressing and conveying – Roll type
Patent
1977-02-23
1978-08-08
McCarthy, Edward J.
Presses
Concurrent pressing and conveying
Roll type
B30B 304
Patent
active
041049632
ABSTRACT:
A device for the pressure fixing of a toner on a record carrier under ambient temperatures has a stand; a first pressure roll of relatively large diameter rotatably and stationarily supported in the stand; and a second pressure roll of relatively small diameter rotatably supported in the stand and cooperating with the first pressure roll to define therewith a roll gap. The second pressure roll is displaceably supported to be shiftable towards and away from the roll gap. The device further has a plurality of pressure rollers arranged in a series along the length dimension of the second pressure roll in an axially parallel orientation therewith and a support for individually displaceably supporting each pressure roller for movement towards and away from the roll gap. A separate spring urges each pressure roller into contact with the second pressure roll for exerting thereon a pressing force with which the first and second rolls compress a record carrier passing through the roll gap. With each pressure roller there is associated a setting mechanism for individually adjusting the pressing force exerted by each pressure roller.
REFERENCES:
patent: 2718827 (1955-09-01), Whittum
patent: 2851869 (1958-09-01), Quoos
patent: 3931793 (1976-01-01), Kolibas
patent: 3988061 (1976-10-01), Root
patent: 4022122 (1977-05-01), Moser
McCarthy Edward J.
Olympia Werke AG
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