Title:
高温の泡によって雑草を防除する方法
Document Type and Number:
Japanese Patent JP4272060
Kind Code:
B2
Abstract:
A method of controlling vegetation including the steps of: (a) preparing a relatively 'wet' foam having a temperature between 75° C. and 100° C. and consisting volumetrically of 60% to 75% aqueous solution of biodegradable foaming agent and 40% to 25% air, and (b) directing a stream of the foam against the surface to be treated. An apparatus for applying the foam to vegetation including a supply tank for holding an acqueous foamable solution, a pump for supplying the solution to a boiler for heating, a blower for supplying air, hoses for carrying air and hot solution respectively to a lance incorporating a mixing and expansion chamber.
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Inventors:
Dennis Walter Tyndall
Davit girth ride
Give William James
Davit girth ride
Give William James
Application Number:
JP2003530070A
Publication Date:
June 03, 2009
Filing Date:
September 27, 2002
Export Citation:
Assignee:
WAIPUNA SYSTEMS LIMITED(Malta)
International Classes:
A01M21/04; A01N25/16; E01H11/00
Domestic Patent References:
| JP63230028A | ||||
| JP3075760U | ||||
| JP58009637A | ||||
| JP63197563A |
Foreign References:
| WO2001045505A1 | ||||
| US6180088 | ||||
| US4030244 | ||||
| US5433758 | ||||
| US5213263 | ||||
| US5575111 | ||||
| GB2273430A |
Attorney, Agent or Firm:
Jiro Kohara