Doctor unit in a paper machine

Details Doctor unit in a paper machine Doctor unit in a paper machine

2006-09-19

2006-09-19

Chin, Peter (Department: 1731)

Paper making and fiber liberation

Apparatus

Measuring, testing, inspecting, indicating or illuminating

C162S111000, C162S198000, C162S281000

Reexamination Certificate

active

07108766

ABSTRACT:
A doctor unit in a paper machine includes a blade carrier having a blade holder fitted to the blade carrier. A doctor blade is mountable in the blade holder to doctor a roll or similar moving surface. The blade holder and/or doctor blade include one or more sensors installed inside the construction or on its surface. The sensors are arranged to measure the wear of and/or stress in the blade holder and/or doctor blade.

REFERENCES:
patent: 5081951 (1992-01-01), Most et al.
patent: 5189492 (1993-02-01), Sollinger et al.
patent: 5221351 (1993-06-01), Esser et al.
patent: 6830659 (2004-12-01), Sovijarvi
patent: 3825415 (1990-12-01), None
patent: 19743279 (1999-04-01), None
patent: 0426980 (1990-05-01), None

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