Concrete floor finishing machine
US4775306A · kind A · utility
23Cited by
3References
8Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 20, 1987 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Feb 20, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F21/245
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This disclosure relates to a concrete floor finishing machine for smoothing a concrete floor surface while the placed concrete is in a semi-hardened state, and enables a floor finishing machine to be laid directly on the smoothed concrete floor. This concrete floor finishing machine includes finishing units which are arranged on the outer sides of a pair of left and right travelling means provided on a wheel unit. These finishing units consist of a plurality of trowels, respectively, which are arranged radially around the travelling means, respectively, these trowels being adapted to be turned around the travelling means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.