EP 0401887 A1 19901212 - Irrigation nozzle, particularly for large-diameter pipes.
Title (en)
Irrigation nozzle, particularly for large-diameter pipes.
Title (de)
Bewässerungsdüse, insbesondere für Leitungen mit grossem Durchmesser.
Title (fr)
Buse d'irrigation, notamment pour conduites à grands diamètres.
Publication
Application
Priority
IT 2078889 A 19890605
Abstract (en)
The nozzle comprises first means (1-7) for the creation of a main jet having variable length and conformation and second means (9, 10, 11, 30) for the creation of a plurality of secondary jets, at reduced pressure, which surround the main jet. The first means (1-7) comprise an internal tubular casing (1) which can be supplied with a delivery liquid at one extremity and provided with radial openings (3) for the outflow of the liquid at the other extremity and an external sleeve (5) which can be screwed on and unscrewed from the internal casing (1) to open and close a central passage (7) for the outflow of the liquid. The second means (9, 10, 11, 30) comprise a terminal wall (30) of the sleeve (5) provided with a plurality of circumferentially spaced holes (11) over which there is rotatably superimposed a cap (10) provided with a similar plurality of circumferentially spaced holes (9), which can be aligned or otherwise with the holes (11) of the terminal wall of the sleeve (5) for their opening or closing in relation to the angular position of the cap (10).
IPC 1-7
IPC 8 full level
CPC (source: EP KR)
B05B 1/00 (2013.01 - KR); B05B 1/1609 (2013.01 - EP)
Citation (search report)
[A] US 4785998 A 19881122 - TAKAGI TOSHIO [JP]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0401887 A1 19901212; EP 0401887 B1 19940817; AT E110009 T1 19940915; AU 5591790 A 19901206; AU 633574 B2 19930204; CA 2018183 A1 19901205; DE 69011585 D1 19940922; DE 69011585 T2 19950323; ES 2062298 T3 19941216; IT 1229447 B 19910808; IT 8920788 A0 19890605; JP H0321360 A 19910130; KR 0125797 B1 19971218; KR 910000237 A 19910129; NZ 233769 A 19911126
DOCDB simple family (application)
EP 90201267 A 19900518; AT 90201267 T 19900518; AU 5591790 A 19900524; CA 2018183 A 19900604; DE 69011585 T 19900518; ES 90201267 T 19900518; IT 2078889 A 19890605; JP 14555190 A 19900605; KR 900008210 A 19900604; NZ 23376990 A 19900522