Patent · US Expired

Insulating linings for furnaces and kilns

US4840131A · kind A · utility

17Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 1987
Grant dateJun 20, 1989
Priority date
Expiry dateSep 8, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF27D1/0009
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

A furnace of kiln for use in the heat treatment of materials or articles has an inner lining comprising boards of refractory, heat-insulating material restrained from inward movement by rails of refractory, heat-insulating material having shoulders at their inward side against the back of which shoulders edge portions of the boards rest.

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