Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
トンネル掘進機用カッタホルダおよび関連するカッティングセット
Document Type and Number:
Japanese Patent JP6408018
Kind Code:
B2
Abstract:
The invention relates to a cutting tool holder (1) for a tunnel-boring machine, comprising: - a housing (2) comprising two cavities (26) formed in opposite walls (20), and - two clamping assemblies (3), configured to be removably mounted in the housing (2) on either side of the rotary knob (10), and each comprising: *a base (32), and * a central spacer (34), movably mounted on the base (32), * two lateral spacers (36), articulated between the base (32) and the central spacers (34) between a retracted position and a clamping position, in which the lateral spacers (36) swing transversely and penetrate into the cavity (26) facing the housing (2).

Inventors:
Philip, Riotal
Patrice, Robert
Application Number:
JP2016551021A
Publication Date:
October 17, 2018
Filing Date:
November 04, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BOUYGUES TRAVAUX PUBLICS
International Classes:
E21D9/087
Domestic Patent References:
JP10140980A
JP2007070825A
JP7180488A
JP2013515181A
JP2001295587A
JP2000017981A
Foreign References:
EP0631033A1
FR2758853A1
Attorney, Agent or Firm:
Hiroyuki Nagai
Yukitaka Nakamura
Yasukazu Sato
Satoru Asakura
Hakozaki Yukio