Patent · US Expired

Roller-hearth kiln for heating glazing sheets

US6363752B1 · kind B1 · utility

3Cited by
6References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 12, 1999
Grant dateApr 2, 2002
Priority date
Expiry dateJul 12, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03B29/08
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A roller furnace for heating windows to their softening temperature. The furnace is provided above a roller transportation track. Vanes forming blowing nozzles are arranged transversely to the direction of movement of the windows in order to blow hot gas onto the top surface of the window. A radiative heater is provided below the roller transportation track to heat the bottom of the window.

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