Title:
井戸洗浄装置の噴射ノズル
Document Type and Number:
Japanese Patent JP6958816
Kind Code:
B2
Abstract:
To provide an injection nozzle of a cleaning device for washing off dirt adhering to an inner peripheral surface of a deep well pipe by injecting high pressure water into the inner peripheral surface, wherein the injection nozzle is not damaged even if high-pressure water hits the inner peripheral surface because the cleaning device is displaced from a central axis of the deep well pipe.SOLUTION: A recessed part 16 is provided in a tip part 12 of the injection nozzle 3 and a tip nozzle 17 is fitted and attached to the recessed part 16 so that the tip nozzle 17 does not protrude from a tip 21 of the tip part 12.SELECTED DRAWING: Figure 5
Inventors:
Kazuo Suzuki
Kenji Suzuki
Kenji Suzuki
Application Number:
JP2018063463A
Publication Date:
November 02, 2021
Filing Date:
March 29, 2018
Export Citation:
Assignee:
veema corporation
International Classes:
E03B3/15; B08B3/02; B08B9/043; E21B31/03
Domestic Patent References:
| JP2013158754A | ||||
| JP2002192094A | ||||
| JP2009018214A | ||||
| JP2005096001A | ||||
| JP2014015731A | ||||
| JP2017125487A | ||||
| JP6014971A | ||||
| JP1226979A |
Foreign References:
| US5221027 | ||||
| EP0331166A2 |
Attorney, Agent or Firm:
Hikoji Hirasaki
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