B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
26/198, 182/76
B01D 35/28 (2006.01) B01D 29/23 (2006.01) B01D 29/25 (2006.01) B07B 1/12 (2006.01) B07B 1/18 (2006.01) B07B 1/46 (2006.01) D21D 5/16 (2006.01)
Patent
CA 1265753
ABSTRACT OF THE DISCLOSURE The invention relates to a slotted sieve for a paper pulp scrubber or similar equipment, and to a method for fabricating such a sieve. The sieve is produced by weldless assembling of bars (6) with cross- -members (7), the bars (6) carrying motches (8), the lips of which engage at least one V-shaped lateral groove (9) formed in each cross-member (1), while the cross-members (7) present, on their face receiving the bars (6), a second set of notches (10) for positioning the bars (6). The cross- -section of the cross-members (7) at the level of notches (10) has the same configuration and dimensions as the cross-section of notches (8) and the cross-section of bars (6) at the level of notches (8) has the same configuration as the cross-section of notches (10) formed in the cross- -members (7). Assembling is made by bending a bar (6) by an angle .alpha. (Fig. 4, 11) of about 20-25° for widening a notch (8) and inserting a cross-member (7)therein. The bar (6) is then straightened back, so that the cross-member (7) will be firmly clamped in the notch (8).
494902
E. Et M. Lamort
Goudreau Gage Dubuc
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