Sealing profile
US4762441A · kind A · utility
12Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 1986 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Oct 8, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L9/22
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing profile made of rubber or a rubber-like material for sealing tunnel segments provided with peripherally extending recesses. The profile includes grooves extending parallel to each other on the base side in the longitudinal direction, angled lateral sides, and plane-surfaced top and base surfaces. Ducts extend in the longitudinal direction within the profile and are arranged in a plurality of rows. The ducts have an approximately equal spacing between each other both within each row and from one row to another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.