Kit of parts for filling cracks with foamable polyurethane prepolymer
US6478561B2 · kind B2 · utility
35Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2001 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Aug 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1922
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A kit of parts useful for sealing a crack in a concrete surface by injecting a sealing material into the crack including a plurality of injection port members and deformable metal crimping sleeves. Each injection port member has a flat base which is attached to the concrete surface by a settable adhesive compound. A disposable, aerosol-charged, supply container having a one-component polyurethane prepolymer without any granular material entrained therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.