Title:
EXCAVATION BUCKET AND METHOD FOR CONSTRUCTING CAST-IN-PLACE PILE
Document Type and Number:
Japanese Patent JP2019190190
Kind Code:
A
Abstract:
To provide excavation buckets that can ensure the verticality of pile holes even when there are hard parts in the ground.SOLUTION: An excavation bucket 1 is attached to an excavator that excavates the ground to form a pile hole. The excavation bucket 1 includes a cylindrical trunk portion 20 that can be attached to a lower end of a kelly-bar 14 of the excavator, and a bottom plate 30 that closes an opening on a bottom surface of the trunk portion 20 and is provided with an excavation bit 32. A plurality of blades 40A to 40I are spirally provided on an outer peripheral surface of the trunk portion 20.SELECTED DRAWING: Figure 1
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Inventors:
UEMURA YOSHIHIRO
NEGAMI SHIGEYUKI
TAGAWA YOSHINORI
KANESHIRO TOMOHIRO
NAKADA YASUO
MATSUDA HISATSUGU
NEGAMI SHIGEYUKI
TAGAWA YOSHINORI
KANESHIRO TOMOHIRO
NAKADA YASUO
MATSUDA HISATSUGU
Application Number:
JP2018086439A
Publication Date:
October 31, 2019
Filing Date:
April 27, 2018
Export Citation:
Assignee:
TAISEI CORP
MARUGO FOUND CORP
MARUGO FOUND CORP
International Classes:
E21B11/00; E02D5/34
Domestic Patent References:
| JPS61125587U | 1986-08-07 | |||
| JP2014034763A | 2014-02-24 | |||
| JP2004324272A | 2004-11-18 | |||
| JP2000337069A | 2000-12-05 |
Attorney, Agent or Firm:
Hisato Kuroiwa