Frame for immersion flat filter membrane elements

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Description

FIG. 1 is a front view of the present invention, the rear view being the same as the front view;

FIG. 2 is a left side view of the present invention, the right side view being the same as the left side view;

FIG. 3 is a top view of the present invention;

FIG. 4 is a bottom view of the present invention;

FIG. 5 is a cross-sectional view taken along line 5-5 of FIG. 3;

FIG. 6 is a cross-sectional view taken along line 6-6 of FIG. 3;

FIG. 7 is a front view of the present invention with environmental structure shown in broken lines; and,

FIG. 8 is a perspective view of the present invention.

The broken lines shown in FIG. 7 representing environmental structure are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a frame for immersion flat filter membrane elements, as shown and described.

Referenced Cited
U.S. Patent Documents
4956085 September 11, 1990 Kopf
D324720 March 17, 1992 Kopf
D325070 March 31, 1992 Kopf
5922201 July 13, 1999 Yamamori et al.
D481782 November 4, 2003 Okazaki
D526044 August 1, 2006 Torichigai et al.
7323040 January 29, 2008 Poschmann
Patent History
Patent number: D653303
Type: Grant
Filed: Mar 30, 2010
Date of Patent: Jan 31, 2012
Assignee: Hitachi Plant Technologies, Ltd. (Toshima-ku)
Inventors: Yusuke Okawa (Toshima-ku), Yasuyuki Okuno (Amagasaki), Kei Hayashida (Amagasaki)
Primary Examiner: Robin V Webster
Attorney: Wenderoth, Lind & Ponack, L.L.P.
Application Number: 29/347,652
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)