Disk cutter

Patent metadata

Field	Value
Publication number	US-2023366314-A1
Application number	US-202318348654-A
Country	US
Kind code	A1
Filing date	Jul 7, 2023
Priority date	Dec 4, 2019
Publication date	Nov 16, 2023
Grant date	—

Abstract

This disclosure relates to a disk cutter comprising a cutter body, a plurality of tool holders and a plurality of cutting elements mounted to the tool holders. The tool holders and cutting elements are provided in at least one set about the cutter body, each set comprising two or more tool holders and two or more cutting elements arranged in a pre-determined sequence of configurations.

First claim

1 . A disk cutter comprising a cutter body, a plurality of tool holders and a plurality of cutting elements mounted to the tool holders, wherein the tool holders and cutting elements are provided in at least one set about the cutter body, each set comprising two or more tool holders and two or more cutting elements arranged in a pre-determined sequence of configurations.

2 . The disk cutter as claimed in claim 1 , comprising multiple sets around a circumferential surface of the cutter body.

3 . The disk cutter as claimed in claim 2 , in which the multiple sets are identical.

4 . The disk cutter as claimed in claim 2 , in which the multiple sets are non-identical.

5 . The disk cutter as claimed in claim 1 , comprising three or more tool holders in a set.

6 . The disk cutter as claimed in claim 1 , comprising four tool holders in a set.

7 . The disk cutter as claimed in claim 1 , comprising a single cutting element in one or more of the tool holders.

8 . The disk cutter as claimed in claim 7 , in which the single cutting element is mounted centrally on the tool holder.

9 . The disk cutter as claimed in claim 1 , comprising two cutting elements in one or more of the tool holders.

10 . The disk cutter as claimed in claim 9 , in which the two cutting elements are arranged side-by-side adjacent to each other on the tool holder.

11 . The disk cutter as claimed in claim 9 , in which the two cutting elements are arranged spaced apart from each other on the tool holder.

12 . The disk cutter as claimed in claim 11 , in which the two cutting elements are arranged spaced apart with a recessed channel in between then.

13 . The disk cutter as claimed in claim 1 , in which the cutting element is a polycrystalline diamond compact (PDC).

14 . The disk cutter as claimed in claim 13 , in which the PDC has a triple chamfer.

15 . The disk cutter as claimed in claim 1 , in which the cutter body comprises a series of slots.

16 . The disk cutter as claimed in claim 1 , in which the tool holder comprises a body portion and a pair of spaced apart legs.

17 . The disk cutter as claimed in claim 16 , in which the tool holder tapers inwardly from a first end, proximate the or each cutting element, towards a second end.

18 . A trench cutter comprising a disk cutter as claimed in claim 1 .

19 . The trench cutter of claim 18 , in which the cutter body has a diameter in the range of 900 to 1200 mm.

20 . The trench cutter of claim 18 , in which the cutter body has a thickness in the range of to 30 mm.

21 . The trench cutter of claim 18 , in which the disk cutter has an effective cutting width of around 60 mm.

Assignees

• Element Six Uk Ltd

Inventors

• Lu Shuo

Classifications

• E21C25/18 Primary

  Saws; Discs; Wheels · CPC title

• E02F5/08

  with digging wheels turning round an axis {(E02F5/109 takes precedence; with digging wheels per se E02F3/18)} · CPC title

• E02F3/241

  digging wheels · CPC title