Element and construction method for internal grinding surface

B - Operations – Transporting – 24 – D

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51/152, 26/198

B24D 3/00 (2006.01) B24D 5/06 (2006.01) D21B 1/14 (2006.01)

Patent

CA 1183353

ABSTRACT There is provided a method of constructing a pulpstone with an internal grinding surface, unique grinding segments for use with the method, and the finished pulpstone. A plurality of grinding segments is placed around a form whose outside surface substantially corresponds to the desired internal grinding surface, and the segments are secured in place against the form. An envelope member which may be in the form of a steel sleeve is placed around the segments, and the segments are bonded to the envelope member. Thereafter, the form is removed from within the segments. Preferably, the segments are secured in place around the form by the use of steel bands or like elements.

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