Patent · US Expired

Device for driving rods used primarily for soil mechanics tests into the ground

US5404757A · kind A · utility

6Cited by
10References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 21, 1994
Grant dateApr 11, 1995
Priority date
Expiry dateJul 21, 2014

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B19/22
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A Device for driving rods used primarily for soil mechanics tests into the round, of the type comprising a traction and compression resistant tubular one-piece rod (42) made of a material and capable of being curved by reversible elastic derformation, a drum (44) for winding said rod (42) and a device (46) for driving and extracting said rod.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.