Drip irrigation line and method of making same
US5163622A · kind A · utility
49Cited by
5References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 28, 1990 |
| Grant date | Nov 17, 1992 |
| Priority date | — |
| Expiry date | Aug 28, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A40/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A drip irrigation line includes a continuous tube having a plurality of openings along spaced intervals, and a plurality of flow reducers in the form of discrete elements bonded at spaced intervals to a continuous, elongated, flexible element of higher mechanical strength than that of the flow reducer elements, enhancing the strength of the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.