Patent · US Expired

Sealing profile for tunnel segments

US4824289A · kind A · utility

24Cited by

1References

12Claims

0Family size

Assignee

Phoenix, LLC · DE

Inventors

Siegfried Glang · Hamburg, DE
Werner Grabe · Winsen, DE

Key dates

Filing date	Aug 5, 1987
Grant date	Apr 25, 1989
Priority date	—
Expiry date	Aug 5, 2007

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21D11/385
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

There is provided a sealing profile formed of rubber or rubber-like material for tunnel segments having a recess therefor extending therearound, the profile having a base side facing the segment and a back side facing away from the segment, a plurality of longitudinally extending parallel flutes in the base side, lateral flanks extending angularly from the base side, a plurality of longitudinally extending parallel ducts, and at least one centrally disposed bridge through extending from the base side to the back side without impairment in its supporting effort by a longitudinal duct.

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