Mold for producing masonry block with roughened surface
US6209848A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Aug 17, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B7/0061
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mold for producing a masonry unit with a roughened texture side surface having 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 block of predetermined height by way of its open bottom; and a wedge-shaped lower lip located along the lower edge of at least one of the side walls, and extending into the mold cavity, the lower lip having grooves formed therein which are oriented at an oblique angle to the general direction of movement of concrete fill material through the mold cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.