Title: Repairing method and heating apparatus for defects of enamel layer on enamelled glass products
Application Number: 92108431 Application Date: 1992.05.19
Publication Number: 1078753 Publication Date: 1993.11.24
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23D13/02
Applicant(s) Name: Zhu Wenhua Address: 200000
Inventor(s) Name:
Attorney & Agent: LI LIN
Abstract:
     During repair of enamelled glass product, burning process is divided into two steps, one for low-temp heating bigger area around position to be repaired to release thermal stress and another for high-temp burning smaller area, which use different furnaces. Low-temp heater has parallelly arranged heating units composed of furnace body, electrothermal wire and insulating layer. Said method features low energy consumption, high quality and high productivity.
Time: 6