Variable height sideforms
US7191999B2 · kind B2 · utility
1Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2004 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Dec 29, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B7/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improvement to concrete casting machines of the casting bed type in which the side forms are constructed and arranged to stay in an upright position at all times but may be raised and lowered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.