Some Information's About Neon Sign Light
First glass is heated and then
shaped by rotating it in
burner flames. There are 4
main types of burners. They
are crossfire, fishtail, ribbon
and Hand torch burners.
Crossfire and fishtail burners
are used for slices and
angled bends. Ribbon
burners are used for curves
and sweep bends and hand
torch can be used for splices
or tapering and tipping of
electrodes.
Both Neon and argon gas are inert gasses. If with neon or argon gas a
few drops of mercury are added in the tube it will not cause any
damage as long as the tube is intact. If the tube is broken it create
problem to both environment and health. Due to this reason, many
neon shops do not repair neon tubes.
For accuracy sake, all neon signs are manufactured over a fire
resistant pattern. Other artistic work can be produced freehand.
Neon sign can be read within 350 feet, even in bright daylight.
Expected life span for a Neon is somewhere between 8 to 15 years. If
glass tube is coated it can last for nearly 20,000 hours and if tubes are
working on high-powered power supplies, lifespan of tube will reduce.
Source:
http://www.myneonhaven.com/Neon-signs/2009/02/some-
informations-about-neon-sign-light.html