Process and apparatus for forming a building block
US5507988A · kind A · utility
Inventors
Key dates
| Filing date | Jul 12, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Jul 12, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB27N1/0263
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
There is disclosed a novel process and apparatus for producing a light weight, self aligning, building block from straw, corn stalks, sugar cane, kenaf and like vegetable based fibrous materials wherein the vegetable based fibrous material is used as an aggregate base to be beat/mixed with one or more binders, sprayed with one or more wetting agents and deposited in to a mold to be subjected to sufficient compression forces having certain alignment enforcing capabilities, to form a pre-determined size, shape, density and thickness finished building block, then ejected for sufficient curing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.