Process for producing masonry block with roughened surface
US6224815A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2000 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Jul 10, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B17/0027
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mold box for producing a plurality of masonry units with a roughened texture side face, the mold box including a plurality of side walls defining a mold cavity open at its top and bottom, adapted to receive masonry fill material by way of its open top, and to discharge molded fill material in the form of a molded masonry unit of predetermined height by way of its open bottom; and a division member spanning between two of the side walls to define two subcavities in the mold box, the division member comprising a grate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.