Title:
A SPRAYING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2003/045216
Kind Code:
A1
Abstract:
The present invention relates to cleaning tools, and more particularly relates to a spraying apparatus used in cleaning tools, such as squeezing water mops, window washers, water-fed brooms, brushes and so on. The spraying apparatus of the present invention includes a spray head and a check valve connected thereon, a bulb and an air duct connected thereon, a liquid reservoir bottle and a water intake duct disposed therein, and a water intake valve connected to said water intake duct, said check valve, air duct and water intake duct are connected by a three-way control valve. In this invention, the principle of air compressed spraying is utilized, the alkali liquor or cleaning liquid is sprayed by means of compressing bulb. It is very convenient for cleaning doors and windows etc.. It can be used in many cleaning tools conveniently, and reliably.
Inventors:
ZHANG ZHIXIONG (CN)
Application Number:
PCT/CN2002/000211
Publication Date:
June 05, 2003
Filing Date:
March 28, 2002
Export Citation:
Assignee:
ZHANG ZHIXIONG (CN)
International Classes:
A46B11/02; A47L13/22; B05B7/24; (IPC1-7): A47L13/22; A47L1/08; A46B11/02
Domestic Patent References:
| WO1998023200A1 | 1998-06-04 |
Foreign References:
| US5271682A | 1993-12-21 | |||
| US4119386A | 1978-10-10 | |||
| US2497674A | 1950-02-14 | |||
| CN2412520Y | 2001-01-03 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD (Zhongke Building No. 80, Haidian Roa, Haidian District Beijing 0, CN)
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