A method and a device for washing a drain pipe allowing a nozzle to be rotated along the inner peripheral surface of a pipe even in a lateral pipe, wherein the positions of a plurality of injection holes (10, 11, 12, and 13) formed in the nozzle (1) are formed and the amount of high pressure water j
A method and a device for washing a drain pipe allowing a nozzle to be rotated along the inner peripheral surface of a pipe even in a lateral pipe, wherein the positions of a plurality of injection holes (10, 11, 12, and 13) formed in the nozzle (1) are formed and the amount of high pressure water jetted from each of the injection holes (10, 11, 12, and 13) are regulated so that the specific injection hole (10) only among the plurality of injection holes is set so as to be opposed always to the inner peripheral surface (5a) of the pipe.
대표청구항▼
The invention claimed is: 1. A method of washing drain pipe in which a nozzle is provided at leading end of a high pressure hose connected to a terminal hose control, a universal guide is linked to leading end of the nozzle, high pressure water is jetted from a plurality of injection holes opened i
The invention claimed is: 1. A method of washing drain pipe in which a nozzle is provided at leading end of a high pressure hose connected to a terminal hose control, a universal guide is linked to leading end of the nozzle, high pressure water is jetted from a plurality of injection holes opened in the nozzle, the high pressure hose is fed into the drain pipe while causing the high pressure hose to turn, and an interior of the pipe is washed by the high pressure water jetted from the nozzle, wherein: the nozzle is made to turn in a spiral movement in conjunction with turning, pulling out, and pulling back of the high pressure hose, by setting a jet pressure of high pressure water injected from a first plurality of injection holes to the interior of the pipe, said first plurality of injection holes comprising a first injection hole and a second plurality of injection holes, said first injection hole being larger than each of said second plurality of injection holes, said second plurality of injection holes being on a side of the pipe opposite said first injection hole, whereby, the first injection hole of the plurality of injection holes is pushed against an inner peripheral surface of the pipe, when the high pressure water is injected from the first plurality of injections holes so that, of the first plurality of injection holes, the first injection hole is always facing and pressed against the inner peripheral surface of the pipe; angle α subtended by center axis line I of the certain injection hole and center axis line H of the nozzle is substantially 90 degrees, and angle β subtended by a center axis line J of other injection holes and a center axis line H of the nozzle, respectively, is substantially 90 degrees. 2. The method of washing drain pipe according to claim 1, wherein the high pressure water is hot water. 3. The method of washing drain pipe according to claim 1, wherein the nozzle and the high pressure hose are directly linked by means of a pressure connection socket. 4. The method of washing drain pipe according to claim 1, wherein a reference line is placed on the surface of the high pressure hose indicating a position of the first injection hole, along the longitudinal direction of the high pressure hose. 5. A method of washing drain pipe in which a nozzle is provided at leading end of a high pressure hose connected to a terminal hose control, a universal guide is linked to a leading end of the nozzle, high pressure water is jetted from a plurality of injection holes opened in the nozzle, the high pressure hose is fed into the drain pipe while causing the high pressure hose to turn, and an interior of the pipe is washed by the high pressure water jetted from the nozzle, wherein: the nozzle is made to turn in a spiral movement along inner peripheral surface of the pipe, in conjunction with turning and feeding out the high pressure hose, by setting a jet pressure of high pressure water injected from a first plurality of injection holes to the interior of the pipe, said first plurality of injection holes comprising a first injection hole and a second plurality of injection holes, said first injection hole being larger than each of said second plurality of injection holes, said second plurality of injection holes being on a side of the pipe opposite said first injection hole, whereby, first injection hole of the plurality of injection holes is pushed against an inner peripheral surface of the pipe when the high pressure water is injected from the first plurality of injections holes so that, of the first plurality of injection holes, the first injection hole is always facing and pressed against the inner peripheral surface of the pipe; a position of the first injection hole is made farther rearward than positions of other injection holes as seen from direction of advance of the nozzle; angle α subtended by center axis line I of the first injection hole and center axis line H of the nozzle is made an acute angle; and angle β subtended by center axis line J of each of the second plurality of injection holes and a center axis line H of the nozzle, respectively, is substantially 90 degrees. 6. A method of washing a drain pipe in which a nozzle is provided at leading end of a high pressure hose connected to a terminal hose control, a universal guide is linked to a leading end of the nozzle, jetting medium is jetted from a first plurality of injection holes opened in the nozzle, the high pressure hose is fed into the drain pipe while causing the high pressure hose to turn, and an interior of the pipe is washed by the jetting medium jetted from the nozzle, wherein: the jetting medium comprises a mixture of a fluid and a gas; the nozzle is made to turn in a spiral movement along inner peripheral surface of the pipe, in conjunction with turning, pulling out, and pulling back the high pressure hose, by setting a jet pressure of high pressure water injected from the first plurality of injection holes to the interior of the pipe, said first plurality of injection holes comprising a first injection hole and a second plurality injection holes, said first injection hole being larger than each of said second plurality of injection holes, said second plurality of injection holes being on a side of the pipe opposite said first injection hole, whereby, the first injection hole of the first plurality of injection holes is pushed against an inner peripheral surface of the pipe, when the high pressure water is injected from the first plurality of injections holes so that, of the first plurality of injection holes, the first injection hole is always facing and pressed against the inner peripheral surface of the pipe; angle α subtended by center axis line I of the certain injection hole and center axis line H of the nozzle is substantially 90 degrees, and angles β subtended by a center axis line J of other injection holes and a center axis line H of the nozzle, is substantially 90 degrees. 7. A method of washing drain pipe in which a nozzle is provided at leading end of a high pressure hose connected to a terminal hose control, a universal guide is linked to a leading end of the nozzle, jetting medium is jetted from a plurality of injection holes opened in the nozzle, the high pressure hose is fed into the drain pipe while causing the high pressure hose to turn, and an interior of the pipe is washed by the jetting medium jetted from the nozzle wherein: the jetting medium comprises a mixture of a fluid and a gas; the nozzle is made to turn in a spiral movement in conjunction with turning and feeding out the high pressure hose, by setting a jet pressure of high pressure water injected from the first plurality of injection holes to the interior of the pipe, said first plurality of injection holes comprising a first injection hole and a second plurality of injection holes, said first injection hole being larger than each of said second plurality of injection holes, said second plurality of injection holes being on a side of the pipe opposite said first injection hole, whereby, the first injection hole of the plurality of injection holes is pushed against an inner peripheral surface of the pipe, when the high pressure water is injected from the first plurality of injections holes so that, of the first plurality of injection holes, the first injection hole is always facing and pressed against the inner peripheral surface of the pipe; the position of the first injection hole is farther rearward than positions of the second plurality of injection holes as seen from direction of advance of the nozzle; angle α subtended by a center axis line I of the certain injection hole and a center axis line H of the nozzle is an acute angle; and angles β subtended by center a axis line J of other injection holes and a center axis line H of the nozzle, respectively, are each substantially 90 degrees.
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이 특허에 인용된 특허 (7)
Wells Jeff P. (Memphis TN), Apparatus for cleaning interior of a lateral pipeline.
Iida Yoshihiro (Tokyo JPX) Takamura Koji (Tokyo JPX) Nakajima Shigeru (Niiza JPX) Hiroya Jun (Tokyo JPX) Nakanishi Nobuyuki (Sagamihara JPX) Nakamura Takeaki (Tokyo JPX) Sasa Hiroyuki (Tokyo JPX) Aok, Endoscope system wherein cleaning solution flows at same speed in cleaning solution supply section and in all flow paths.
Folts Michael E. (216 Fransisco Rd. Grass Lake MI 49240) Abdo Mahammed (5050 Runnymede Holt MI 48842), Method of cleaning an internal access opening by a nozzle with wearing contact.
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