Title:
溝掘り装置および方法
Document Type and Number:
Japanese Patent JP7139410
Kind Code:
B2
Abstract:
A trench cutting apparatus and method, the apparatus comprising a central support element comprising at least one jetting outlet and a cutting element configured to be driven around the central support element. The trench cutting apparatus is configured to be operable in a mechanical cutting mode in which the cutting element is driven around the central support element to cut material forward of the trench cutting apparatus, and a jet cutting mode in which a pump is activated to eject fluid from the at least one jetting outlet to fluidize or cut material forward of the trench cutting apparatus.
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Inventors:
Manchester, Jonathan Ralph
Application Number:
JP2020504020A
Publication Date:
September 20, 2022
Filing Date:
July 24, 2018
Export Citation:
Assignee:
Royal IHC Limited
International Classes:
E02F5/06; E02F3/08; E02F5/02
Domestic Patent References:
| JP5280043A | ||||
| JP2003500572A | ||||
| JP29012826Y1 | ||||
| JP2007077649A | ||||
| JP1207527A | ||||
| JP8189059A | ||||
| JP9088117A | ||||
| JP2002512323A |
Foreign References:
| WO2014161984A1 | ||||
| EP0563473A1 | ||||
| US5631160 | ||||
| US4721409 | ||||
| WO2015032730A1 |
Attorney, Agent or Firm:
Patent Business Corporation Unias International Patent Office