发明名称 |
Refiner disc segment |
摘要 |
Refiner disc segments for use in connection with disc refiners are disclosed. The refiner disc segments include in a radial portion thereof raised bars extending outwardly from the center of the segment with grooves defined between the raised bars, the raised bars having a width B, and the grooves having a width S and a depth D such that the ratio BxSxD/S+D is greater than about 2.7 mm and less than about 4.3 mm, and wherein the width B is from about 1 to 4 mm, the width S is from about 2 to 5 mm, and the depth D is from about 1 to 7 mm. Overall refining apparatus including a pair of refining members which includes such refining disc segments are also disclosed as is a method for producing these refining disc segments.
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申请公布号 |
US4635864(A) |
申请公布日期 |
1987.01.13 |
申请号 |
US19850779602 |
申请日期 |
1985.09.24 |
申请人 |
SCA DEVELOPMENT AKTIEBOLAG |
发明人 |
PETERSON, PER V.;HOEGLUND, HANS E.;JOHANSSON, ALF O. K. |
分类号 |
B02C7/12;D21D1/30;(IPC1-7):B02C7/12 |
主分类号 |
B02C7/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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