Method for producing concrete roof tiles
US5223200A · kind A · utility
15Cited by
10References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1991 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | Jan 16, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D1/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for making concrete roof tiles includes the steps of forming a continuous elongated ribbon or layer of concrete; cutting the continuous layer into a row of spaced end to end ribbon sections having a front edge and a rear edge; precompacting the front edge of one of two adjacent ribbon sections and compacting the precompacted front edge of the other ribbon section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.