Patent ID: 8387802
Filing Date: 2013-03-05
Classification: B07B,E21B

Abstract:
1. An end cap to be used in conjunction with a filter screen for a shale shaker, the end cap comprising: a bottom surface configured to be attached to a mounting end of the filter screen; a back surface configured to abut an internal surface of the shale shaker, wherein an integrated wiper extends upward and away from the back surface to contact the internal surface of the shale shaker to prevent drilling fluids from bypassing the filter screen; a longitudinal cap surface extending from a leading edge of the bottom surface to the back surface adjacent the integrated wiper, wherein the cap surface is configured to prevent drilling fluids from communicating with a plurality of hold-down apertures; and two end surfaces, each connecting the bottom, back, and longitudinal cap surfaces, on opposite ends of the end cap; wherein the bottom, back, longitudinal cap, and two end surfaces are constructed as a molded single component.