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.
Patent No.:
Date of Patent:
Dec. 07, 1993
Filed:
Oct. 16, 1992
Applicant:
Inventor:
Adamo Gazzoni, Cesena, IT;
Assignee:
Enichem Agricoltura S.p.A., Palermo, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239 99 ; 239101 ; 239269 ; 13762414 ;
Abstract
A device for the automatic pulsating delivery of an irrigation liquid is described, connectable upstream to the liquid source of constant or substantially constant pressure and downstream to an open-circuit distribution network provided with pressure-sensitive secondary valves which in response to pressure change open or close to enable the irrigation liquid to emerge. An irrigation system is also described in which said device is connected to a distribution network comprising a plurality of valves sensitive to pressure change and each provided with a delivery nozzle.