Patent · US Expired

Process for producing masonry block with roughened surface

US6224815A · kind A · utility

54Cited by
51References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2000
Grant dateMay 1, 2001
Priority date
Expiry dateJul 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.