B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/46 (2006.01)
Patent
CA 2641590
A screen assembly for releasable mounting to a mounting structure of a shale shaker. The mounting structure comprises a body over which a screen assembly is positionable, part of fluid to be treated by the shale shaker flowable through the body, at least one hole in the body, the at least one hole sized and configured for receipt therein of a corresponding downwardly projecting member of the screen assembly. The at least one projecting member has a projecting member cross-sectional area, the screen assembly comprising a support, screening material on the support, the support comprising a frame with two spaced--apart ends. The two spaced-apart ends are spaced-apart by two spaced-apart sides, each of the two spaced-apart sides are connected to each of the two spaced-apart ends. The frame has a plurality of spaced-apart crossmembers extending between the two spaced-apart sides from one side to the other side, at least one of the plurality of spaced-apart crossmembers comprises a tubular member with a top and a bottom, a portion of the screening material on top of the tubular member. At least one downwardly projecting member projects downwardly from the bottom of the tubular member, the at least one downwardly projecting member sized, configured, and located for receipt within a corresponding hole of the mounting structure, the at least one hole having a hole area, said hole cross-sectional area being greater than said projecting member cross-sectional area.
Adams James Newton
Adams Thomas Cole
Burnett George Alexander
Grichar Charles Newton
Largent David Wayne
Mcfadden Fincham
Varco I/p Inc.
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