Pressurized waterstops
US4622784A · kind A · utility
36Cited by
9References
11Claims
0Family size
Inventors
Key dates
| Filing date | Dec 18, 1984 |
| Grant date | Nov 18, 1986 |
| Priority date | — |
| Expiry date | Dec 18, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/6806
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A waterstop for concrete structures, of the type consisting of an extruded strip of elastomeric material having a general flat medial portion extending between longitudinally ribbed side wing anchor portions is internally pressurized so as to compensate for dimensional changes of the concrete joint.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.