Module for construction of a rotary disc filter

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Description

FIG. 1 is a perspective view showing the top side, the right side and the front of the module for construction of a rotary disc filter according to the new design; and

FIG. 2 shows the module from the front;

FIG. 3 shows the module from the back;

FIG. 4 shows the module from the right;

FIG. 5 shows the module from the left;

FIG. 6 shows the module from above; and,

FIG. 7 shows the module from below.

Claims

The ornamental design for a module for construction of a rotary disc filter, as shown and described.

Referenced Cited
U.S. Patent Documents
3831763 August 1974 Breysse et al.
5176828 January 5, 1993 Proulx
6113783 September 5, 2000 Strid et al.
6231761 May 15, 2001 Mohlin et al.
6669844 December 30, 2003 Strohm et al.
Patent History
Patent number: D497660
Type: Grant
Filed: Aug 27, 2003
Date of Patent: Oct 26, 2004
Assignee: Hydrotech Nils-Ake Persson Aktiebolag (Villinge)
Inventors: Åke Danielsson (Skanör), Åke Ralvert (Hässleholm), Emil Svensson (Trelleborg), Per Larsson (Trelleborg)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
Application Number: 29/188,909
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)
International Classification: 2301;