B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
182/86
B07B 1/20 (2006.01) B07B 1/46 (2006.01) D21D 5/02 (2006.01)
Patent
CA 1086237
SCREENING APPARATUS Abstract of the Disclosure In a screening machine of the type having a perforated cylinder through which the material being screened is passed and a rotor for maintaining the cylinder perforations open, failure of the cylinder due to torsional forces imposed on it by rotation of the rotor is prevented by providing several beam-like cantilevers which extend longitudinally of the cylinder and resist the twisting, torsional forces imposed on the cylinder during screening operations. Intermediate reenforcing rings, which are designed to withstand radially directed loads imposed on the cylinder, are restrained against movement longitudinally of the cylinder by means of clips which are welded to the cantilevers on opposite sides of each of the rings. The cantilevers; therefore, also serve as an area or the cylinder to which the clips can be welded, eliminating the necessity of making welds at undesirable locations near perforated portions of the cylinder.
258610
Hatton Derald R.
Lehman Donald F.
Black Clawson Company (the)
Gowling Lafleur Henderson Llp
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