Photoflash lamp with polycarbonate coating

Details Photoflash lamp with polycarbonate coating Photoflash lamp with polycarbonate coating

1974-11-01

1976-11-16

Dority, Jr., Carroll B.

Combustion

Projector and igniter for liquid or gelled fuel slug or rod,...

F21K 502

Patent

active

039921360

ABSTRACT:
A photoflash lamp having a polycarbonate coating over its glass envelope with an alkali-barrier coating disposed between the glass envelope and polycarbonate coating for extending the shelf-life of the polycarbonate coating by preventing alkali released by the glass from reacting with the polycarbonate. The alkali-barrier coating may be applied to the glass envelope before vacuum-forming a preformed polycarbonate sleeve thereon, or the alkali-barrier may be applied as a thin film on the interior surface of a preformed polycarbonate sleeve before vacuum-forming the sleeve onto the glass envelope.

REFERENCES:
patent: 2791113 (1957-05-01), Anderson
patent: 3492268 (1970-01-01), Baker
patent: 3635895 (1972-01-01), Kramer
patent: 3770366 (1973-11-01), Audesse et al.
patent: 3832125 (1974-08-01), McDonough et al.

Affiliated with

Also associated with

Rating

Photoflash lamp with polycarbonate coating does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photoflash lamp with polycarbonate coating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photoflash lamp with polycarbonate coating will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-668550