Screen

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Description

FIG. 1 is a perspective view of a screen according to the present invention;

FIG. 2 is a top view of the screen of FIG. 1;

FIG. 3 is a bottom view of the screen of FIG. 1;

FIG. 4 is a side view of one side of the screen of FIG. 1;

FIG. 5 is a side view of another side of the screen of FIG. 1 opposite the side shown in FIG. 4;

FIG. 6 is an end view of the screen of FIG. 1; and,

FIG. 7 is another end view of the screen of FIG. 1 opposite the end shown in FIG. 6.

Referenced Cited
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Other references
  • "Clean Liquids/Dry Solids," Flo Trend Systems, Inc., 1989. "Filtration & Separation," Flo Trend Systems, Inc. 1989. "Screening Equipment Handbook," Pankratz, 1988. "Catalog 105 H & K Perforated Matrials," Harrington & King Perforating Company, 1988. "McNally Coal Preparation Manual, M 576" pp. iii, 73-96, 216 (1978). "Layered shale shaker screens improve mud solids control," World Oil (1978). "The Brandt Company General Catalog 1982-83," 4 pages (1982). "Derrick Sandwich Shaker," Derrick Equipment Co. (Prior to 1992). "Take The Drilled Solids Out," The Brandt Company, (Sep. 1980). "Sweco Full-Flow," Sweco, Inc. 1992. "Sweco Oilfield Services," Composite Catalog, 1992. "Supertaut Mud Cleaner Screens," Sweco Oilfield Services, 1992. "LM-3 Full-Flo Shale Shaker," Sweco Oilfield Services, 1991.
Patent History
Patent number: D377656
Type: Grant
Filed: Jan 4, 1996
Date of Patent: Jan 28, 1997
Assignee: Environmental Procedures, Inc. (Houston, TX)
Inventors: Vincent D. Leone (Houston, TX), Kenneth W. Seyffert (Houston, TX)
Primary Examiner: Antoine Duval Davis
Attorney: Guy McClung
Application Number: 0/48,575
Classifications
Current U.S. Class: Vibrator Or Separator (D15/147)