Patent · US Expired

Apparatus for making plaster board

US4364790A · kind A · utility

32Cited by
1References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 1980
Grant dateDec 21, 1982
Priority date
Expiry dateNov 26, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24413
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention is concerned with manufacturing board from a fluid evolutive product, such as a plaster and water mixture. The process comprises pouring upon a conveyor a fluid evolutive product, such as a plaster and water mixture, contained in storage above the conveyor, through a transverse, parallel slit into which the product is introduced in continuous process through a number of nozzles which discharge into the storage product mass. A reinforcement may be introduced into the poured product. The invention offers as well mechanism for the implementation of the process and products manufactured by the process. Typically the invention is applied to plaster board manufacturing.

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