Patent · US Expired

Method of and apparatus for controlling the manufacturing process in the continuous production of gypsum-cemented workpieces

US5116555A · kind A · utility

5Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1990
Grant dateMay 26, 1992
Priority date
Expiry dateNov 26, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB30B15/26
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method for controlling the manufacturing process in the continuous prodion of gypsum-cemented workpieces utilizing a belt-type press or similar equipment including a number of press segments joined in tandem relationship. Utilizing this press, the gypsum undergoing hydration is compacted until the end of the hydration is reached. The swelling pressure created in the course of the hydration is measured and utilized to control the manufacturing process.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.