Industrial or municipal water clarifier

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Description

FIG. 1 is a front view of an industrial or municipal water clarifier;

FIG. 2 is a back view;

FIG. 3 is a left-side view, the right-side view being a mirror image thereof;

FIG. 4 is a top view;

FIG. 5 is a perspective view in which the clarifier is shown with a radial trough;

FIG. 6 is a perspective view in which the clarifier is shown with a peripheral trough;

FIG. 7 is a perspective view in which the clarifier is shown with a helical weir; and,

FIG. 8 is a perspective view of an alternate embodiment of the design in a clarifier utilizing multiple drop boxes.

The broken lines in the figures indicate possible types of observation decks and troughs or weirs that may be used with but do not form part of the design as claimed.

Referenced Cited
U.S. Patent Documents
D227238 June 1973 Wheeler
1890712 December 1932 Zeitz
1895468 January 1933 Maclennan
1908102 May 1933 Arledter
2071320 February 1937 Coberly
3173866 March 1965 Lefton et al.
4341643 July 27, 1982 Brodoff
5804062 September 8, 1998 Wyness
Patent History
Patent number: D424156
Type: Grant
Filed: Apr 13, 1998
Date of Patent: May 2, 2000
Assignee: Chicago Bridge & Iron Company (Plainfield, IL)
Inventors: John J. Fassbender (Green Bay, WI), Daniel H. Phillips (Hinckley, IL), Deanna F. Young (Geneva, IL)
Primary Examiner: Robin V. Taylor
Law Firm: Marshall, O'Toole, Gerstein, Murray & Borun
Application Number: 0/86,407
Classifications
Current U.S. Class: Treatment (D23/207); Storage Tank (D23/202)
International Classification: 2301;