Incandescent lamps and process for producing the same

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

313 25, 31331808, 31331809, H01J 102, H01J 724, H01J 548, H01J 550

Patent

active

057342270

ABSTRACT:
An incandescent lamp having a substantially cylindrical glass bulb closed at one end by an exhaust-sealed portion, the entire length of which is reduced by reducing the inclination of a portion continuing from the cylindrical major portion of the glass bulb to the exhaust-sealed portion, as well as, a process for producing the same. The glass bulb containing filaments is closed at one end by the exhaust-sealed portion, with a shoulder having a substantially truncated conical appearance connecting the exhaust-sealed portion and the substantially cylindrical major portion, wherein the angle formed between the plane orthogonal to the axis of the glass bulb and the surface of the shoulder, i.e. the inclination of the surface of the shoulder, is designed to be 45.degree.or less.

REFERENCES:
patent: 2826710 (1958-03-01), Lipscomb
patent: 4489252 (1984-12-01), Eckhardt
patent: 4495436 (1985-01-01), Notelteirs
patent: 4567397 (1986-01-01), Wilhelm et al.
patent: 4568854 (1986-02-01), Westlund, Jr. et al.
patent: 4758760 (1988-07-01), Cox et al.
patent: 4769574 (1988-09-01), Nagasawa et al.
patent: 4785218 (1988-11-01), Kohl et al.
patent: 5006088 (1991-04-01), Tokuhara et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Incandescent lamps and process for producing the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Incandescent lamps and process for producing the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Incandescent lamps and process for producing the same will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-54525

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.