Interlocking checker brick mold
US5531586A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 5, 1995 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | May 5, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D1/042
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A checker brick mold including a mold body having an internal cavity is disclosed. The cavity has entrance portions with one entrance portion being larger than the other. The cavity also has a central portion between and adjacent the entrance portions and flaring inwardly from the larger entrance portion to the other. A spaced pair of mold entrance sections are provided each to be inserted into an associated one of the entrance portions and having surfaces complemental to the associated entrance portion. A prime mover is operatively connected to the entrance sections for moving the sections toward one another to compress a mass in the cavity and away from one another to remove a compressed mass from the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.