DRIP IRRIGATION PIPE WITH ANTI-BLOCKING FUNCTION AND MACHINING METHOD THEREOF

WIPO Patent Application WO/2021/128651

A1

Disclosed are a drip irrigation pipe with an anti-blocking function and a machining method thereof. The drip irrigation pipe comprises: a water supply pipe (1), wherein the water supply pipe (1) is used for delivering irrigation water; a cylindrical dropping head (2), wherein the cylindrical dropping head (2) is provided with an annular groove (21), and a water outlet hole (22) penetrating the cylindrical dropping head (2) is provided in the annular groove (21); and an elastic sleeve (3), wherein the elastic sleeve (3) is arranged on the cylindrical dropping head (2) in a sheathed manner and is located in the annular groove (21), the elastic sleeve (3) covers the water outlet hole (22), the cylindrical dropping head (2) is arranged in the water supply pipe (1), a water outlet (11) matching the cylindrical dropping head (2) is provided in the water supply pipe (1), and the water outlet (11) is located outside the annular groove (21). The machining method comprises the step of, in the extrusion molding process of the water supply pipe (1), enabling the cylindrical dropping head (2) to be embedded in the extrusion-molded water supply pipe (1).

QIN CHUNMING (CN)
QIN XIAOHAN (CN)

PCT/CN2020/084075

July 01, 2021

April 10, 2020

Click for automatic bibliography generation  

QIN CHUNMING (CN)

A01G25/02; B29C48/151; F16L55/07

CN107333624A	2017-11-10
KR20110060699A	2011-06-08
KR20130026087A	2013-03-13
KR100817262B1	2008-03-27
CN2657383Y	2004-11-24
CN107333624A	2017-11-10
CN1270760A	2000-10-25
CN104303957A	2015-01-28

View/Download PDF      PDF Help

Previous Patent: INDUCED DRAFT FAN

Next Patent: DETECTION METHOD FOR PORES IN WELDING SPUTTERING TARGET