D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
92/42, 92/55
D21B 1/00 (2006.01)
Patent
CA 1271074
ABSTRACT OF THE DISCLOSURE A conical grinding cutter for use in grinding, or refining, wood pulp, wherein the cutter part constituted by the mantle of the cone is assembled of a plurality of separate sectors. In order to improve the grinding cutter of prior art composed of sectors, the cutter sectors have been welded together by their sides for achieving a rigid juncture sub- stantially over the entire length of the grinding cutter.
471778
Gustafsson Helmer
Marks & Clerk
Yhtyneet Paperitehtaat Oy Jylhavaara
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