Patent · US Expired

Segment for lining cavities

US5992118A · kind A · utility

2Cited by
4References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 1997
Grant dateNov 30, 1999
Priority date
Expiry dateJun 17, 2017

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21D11/083
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A segment for lining cavities, in particular tunnels, includes a substantially shell-shaped body bounded by an inner face, an outer face and side faces, with at least one opening in a side face for the purpose of receiving a dowel. The opening being configured as a substantially cylindrical bore into which projects a tube of limited deformability. A gap being provided between the outer circumference of the tube and the wall of the bore.

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