B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
209/119
B07B 1/00 (2006.01) B07B 1/46 (2006.01) B07B 1/48 (2006.01) B07B 1/49 (2006.01)
Patent
CA 1202602
CANADIAN PATENT APPLICATION OF BENGT LARS ARNE DEHLÉN and SVEN-ERIK DYRUP FOR SCREENING SYSTEM Abstract of the Disclosure: A screen deck comprises several elongated screen elements and is retained against the supporting elements of a screen frame by means of stiffening elements includ- ed in the screen elements The stiffening elements may serve independently as the one part of a fastening arrange- ment by being elastically deformed against the support- ing elements with a spring-back force resultant which is at least as large as an oppositely directed inertia resultant acting on the screen elements during screening in a dynamic screening machine. On using stiffening elements of magnetic material, the screen elements are retained against the screening frame, or their retention may be increased, by means of permanent magnets magnetical- ly attracting the stiffening elements.
416949
Dehlen Bengt L.a.
Dyrup Sven-Erik
Fetherstonhaugh & Co.
Trelleborg Ab
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