TECHNIQUE FOR MANUFACTURING GLASS TUBE CASE OF ELECTRODELESS LAMP
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Apr 16, 2015
app pub date -
May 23, 2012
filing date -
May 23, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a process for manufacturing glass tube shell of electrodeless lamp, which comprises seven steps: washing, coating, bepowdering, wiping off, abutting and annealing, wherein the coating step introduced in the present invention is primarily for increasing the evenness and densification degree of the inner wall of the glass tube, so as to guarantee the adhesion homogeneity of the step of bepowdering; besides, the present invention uses multi-step temperature controlling process for steps of coating, bepowdering and baking to effectively guarantee the coating thickness, and increase the productivity by 50%, in addition, a fan is introduced to align to the entrance of the glass tube when baking the powder, so as to increase the entrance of oxygen, and improve the baking efficiency, at last, high temperature annealing is performed to the joint to eliminate the stress after abutting.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully