Patent · US Expired

Process and apparatus for forming a building block

US5507988A · kind A · utility

9Cited by
5References
20Claims
0Family size

Inventors

Key dates

Filing dateJul 12, 1994
Grant dateApr 16, 1996
Priority date
Expiry dateJul 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.