D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
D21B 1/14 (2006.01) B02C 7/12 (2006.01) D21D 1/30 (2006.01)
Patent
CA 2130659
A refining element for a disk refiner, which element is provided on its front side with working members (2) and is formed with through holes (4) for its attachment on a holder in the refiner. The refining element (1) further is provided with at least one centrally located threaded hole (5), which in operation is covered from the front side by a covering screw (7y. At the exchange of refining elements, the threaded hole (5) is intended for a longer screw, by means of which the element (1) can be removed from the holder.
Hawen Anders
Hedlund Christer
Nastren Christer
Purolainen Pertti
Rohden Lennart
Fetherstonhaugh & Co.
Sunds Defibrator Industries Aktiebolag
Valmet Fibertech Aktiebolag
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