Calender roll for use in super calender for magnetic tapes

Details Calender roll for use in super calender for magnetic tapes Calender roll for use in super calender for magnetic tapes

1978-07-11

1981-01-06

Kee Chi, James

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 2702, B21B 3108

Patent

active

042427835

ABSTRACT:
An elastic calender roll for use in a super calender for magnetic tape is disclosed, which comprises a roll core and a roll portion which is composed of a fibrous material molded with a plastic material. The fibrous material has a better heat resistivity than that of the plastic material and the surface portion of the calender roll is of the plastic material and has a Shore hardness of at least 80 degrees.

REFERENCES:
patent: 2178421 (1939-10-01), Freelander
patent: 3593398 (1971-07-01), Hess
patent: 3662446 (1972-05-01), Walls
patent: 3673025 (1972-06-01), Fukuyama et al.
patent: 3707752 (1973-01-01), Brafford
patent: 3753276 (1973-08-01), Reisch
patent: 3971115 (1976-07-01), Schneider et al.

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