Retaining device for assembling two panels, recyclable formwork for forming a concrete structure and packaging assembly using the same
US8313080B2 · kind B2 · utility
4Cited by
30References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2009 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | Jul 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/80
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention provides a reusable formwork for forming a polygonal upright concrete column using a plurality of retaining devices and a plurality of panels arranged with the retaining devices for providing a forming cavity between the panels adapted to receive concrete therein. Hooping means are used to hoop the panels forming the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.