Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POCKET-TYPE FALLING ROCK PREVENTIVE METHOD
Document Type and Number:
Japanese Patent JP2003129425
Kind Code:
A
Abstract:

To provide a pocket-type falling rock preventive construction method, which improves the impact resistance and safety of a net.

The net comprises longitudinal and latitudinal ropes and a shock absorbing part (metal fitting) 1 is provided on each latitudinal rope 31 in a position between the net and the ground. Also, a shock absorbing part (metal fitting) 64 is provided on the supporting rope 61 of a support 52 in a position between the support 52 and the ground. Upon receiving an impact, the ropes 31 and 61 absorb the impact force as they stretch.


Inventors:
KUBOTA TOSHIO
IGARASHI HIDEKI
Application Number:
JP2002284391A
Publication Date:
May 08, 2003
Filing Date:
November 17, 1997
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CIVIL KK
YOSHIDA KOUZOU DESIGN KK
International Classes:
E01F7/04; F16F7/14; (IPC1-7): E01F7/04; F16F7/14
Attorney, Agent or Firm:
Sakuo Yamaguchi (2 outside)