Reinforced polymeric siphon tubes
US8100183B2 · kind B2 · utility
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14References
6Claims
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Key dates
| Filing date | Sep 19, 2007 |
| Grant date | Jan 24, 2012 |
| Priority date | — |
| Expiry date | Nov 2, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A siphon tube having a polymeric material into which at least one continuous reinforcing agent is embedded, and wherein the at least one reinforcing agent runs substantially the length of the siphon tube. The polymer material can be one or more polymers selected from one or more high density polyethylenes, one or more polyamides, and one or more fluoropolymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.