Flat membrane element and manufacturing method thereof

Details Flat membrane element and manufacturing method thereof Flat membrane element and manufacturing method thereof

2011-08-16

2011-08-16

Kurtz, Benjamin (Department: 1772)

Liquid purification or separation

Filter

Supported, shaped or superimposed formed mediums

C210S321840, C210S483000, C210S490000

Reexamination Certificate

active

07997424

ABSTRACT:
Even when a membrane sheet contains an inorganic material, the membrane sheet and a support plate are properly deposited by a laser emission. In a manufacturing method of a flat membrane element lapping a membrane sheet performing solid-liquid separation on a support plate supporting the membrane sheet and emitting a laser to a mutual joint portion to deposit the membrane sheet and the support plate, when the membrane sheet contains an inorganic material, the support plate is formed by a material having laser penetration and the laser is emitted from the support plate side to the joint portion.

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Nov. 27, 2009 English Translation of Chinese Office Action issued in the corresponding Chinese application.
May 14, 2010 Office Action issued in U.S. Appl. No. 11/640,317.
Nov. 3, 2009 Office Action issued in U.S. Appl. No. 11/640,317.
May 12, 2009 Office Action issued in U.S. Appl. No. 11/640,317.
Feb. 2, 2011 Office Action issued in U.S. Appl. No. 11/640,317.
Final Rejection issued Sep. 22, 2010 in U.S. Appl. No. 11/640,317.

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