Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South Australian Rubber Mills Pty Ltd
Original Assignee
South Australian Rubber Mills Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South Australian Rubber Mills Pty LtdfiledCriticalSouth Australian Rubber Mills Pty Ltd
Publication of ES383521A1publicationCriticalpatent/ES383521A1/en
Improvements in drip irrigation systems, characterized in that it comprises a main supply pipe, a secondary distribution pipe, joining means that connect the secondary distribution pipe to the main supply pipe and put it in liquid flow communication with the main supply pipeline; a series of openings in the wall of the secondary distribution pipe separated from one another along said secondary pipe, and a corresponding series of capillary tubes of spiral shape and larger diameter than the respective openings of said series, which penetrate said respective openings and are hermetically retained therein by resilient deformation of the wall of the secondary distribution pipe. (Machine-translation by Google Translate, not legally binding)
ES383521A1969-09-101970-09-10Improvements in drip irrigation systems. (Machine-translation by Google Translate, not legally binding)
ExpiredES383521A1
(en)