EXCAVATION PIPE RECOVERY TOOL - MITSUBISHI MATERIALS CORP

Title:

EXCAVATION PIPE RECOVERY TOOL

Document Type and Number:

Japanese Patent JP2016069850

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide an excavation pipe recovery tool capable of recovering an excavation pipe 1 and an excavation tool left in an excavation hole H by securely connecting the excavation pipe recovery tool to the excavation pipe 1 even if a rear end part of the broken excavation pipe 1 deviates from a center line of the excavation hole H.SOLUTION: A connection member 13 comprising a connection part 12 to be connected to an excavation pipe 1 left in an excavation hole H is fitted to a tip part of a tool body 11 having an axis O in the center, and the connection member 13 is supported tiltably to be more apart radially from the axis O toward the tip side.SELECTED DRAWING: Figure 6

More Like This:

WO/1991/009907	POLYMER AND ASPHALT REACTION PROCESS AND POLYMER-LINKED-ASPHALT PRODUCT
WO/2019/211602	IMPROVEMENTS IN OR RELATING TO WELL ABANDONMENT AND SLOT RECOVERY
WO/2023/095986	APPARATUS AND METHOD FOR NON-CONTACT CUTTING PILE BY USING WATERJET

Inventors:

TANAKA KUNIHIKO
OTA HIROSHI

Application Number:

JP2014198212A

Publication Date:

May 09, 2016

Filing Date:

September 29, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MITSUBISHI MATERIALS CORP

International Classes:

E21B31/20

Attorney, Agent or Firm:

Masatake Shiga
Mitsuo Teramoto
Yasushi Matsunuma
Fumihiro Hosokawa
Kazunori Onami

Previous Patent: Assembly house

Next Patent: A constructing method of a tank, and a tank