Patent · US Expired

Method for making continuous foam glass product

US4124365A · kind A · utility

32Cited by
6References
4Claims
0Family size

Inventors

Key dates

Filing dateMay 5, 1977
Grant dateNov 7, 1978
Priority date
Expiry dateMay 5, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S425/108
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A continuous process for the manufacture of cellular ceramic product. Ceramic feed material is transported successively through a preheat kiln section, through a foaming section whereat foaming agent mixed with the ceramic feed material is activated, and into a drawing kiln section. An elongate hollow product can be formed by drawing the foamed ceramic while soft around and past a hollow mandrel to form an elongate hollow cylindrical member.

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