Patent · US Expired

Sealing profile

US4900607A · kind A · utility

21Cited by

4References

14Claims

0Family size

Assignee

Phoenix, LLC · DE

Inventors

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

Key dates

Filing date	Aug 30, 1988
Grant date	Feb 13, 1990
Priority date	—
Expiry date	Aug 30, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31826
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A sealing profile formed of rubber or rubber-like material is provided for sealing tunnel segments which have circumferential recesses. There is a plurality of slotted grooves running parallel in the lengthwise direction on the base side of the profile and a plurality of channels running parallel in the lengthwise direction, the number of channels being no greater than the number of slotted grooves and at least one channel being in alignment with a corresponding groove.

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