The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 21, 1995

Filed:

Feb. 07, 1994
Applicant:
Inventors:

Toshizumi Hirota, Hiratsuka, JP;

Hitoshi Kobayashi, Tokyo, JP;

Yasunobu Nakagoshi, Kobe, JP;

Yukio Amino, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C02F / ;
U.S. Cl.
CPC ...
202234 ; 159903 ; 159D / ; 159D / ; 2021854 ; 202190 ; 2022671 ; 2022672 ; 203 10 ; 203 86 ; 203D / ;
Abstract

An apparatus for recovering fresh water or for concentrating a liquid has a structure formed of a roof member 10 having a gradient and a base member 14 provided with a liquid reservoir member 18. A cellulose-based film 20 has one surface saponified 2 to 50 .mu.m deep and the other surface is attached to the inner surface of the roof member. A liquid recovery member 16 is provided in the roof member or the base member, the liquid recovery member being for recovering water which is condensed on the saponified surface of the cellulose-based film and that flows downward.


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