Seal strip for a suction roll

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

Reexamination Certificate

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Details

C428S220000, C162S371000, C162S369000, C277S407000, C277S944000

Reexamination Certificate

active

07569265

ABSTRACT:
The invention relates to a suction roll seal strip and a method for manufacturing it from a mixture, which mostly consists of nitrile rubber and graphite. A seal blank is formed from the mixture and hardened at a chosen temperature. The mixture to be hardened includes wax.

REFERENCES:
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patent: 4014730 (1977-03-01), Selover et al.
patent: 4401716 (1983-08-01), Tschudin-Mahrer
patent: 4956226 (1990-09-01), Ashizawa et al.
patent: 4983355 (1991-01-01), Alfons
patent: 5358163 (1994-10-01), Naka
patent: 5876566 (1999-03-01), Frawley, Jr.
patent: 6258409 (2001-07-01), Sale et al.
patent: 6436241 (2002-08-01), Persson et al.
patent: 1092796 (1994-09-01), None
patent: 257265 (1988-06-01), None
patent: 50000100 (1975-01-01), None

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