Blown lamp bulb and electric lamp provided with such a bulb

Details Blown lamp bulb and electric lamp provided with such a bulb Blown lamp bulb and electric lamp provided with such a bulb

1987-03-05

1988-10-11

DeMeo, Palmer C.

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Plural diverse optical devices

313113, 313315, 313116, H01K 128

Patent

active

047774002

ABSTRACT:
The invention relates to a blown lamp bulb having a parabolically curved wall portion, a neck-shaped wall portion near the apex of the parabolically curved wall portion. The bulb has a an axis of symmetry and a largest diameter. A curved wall portion is opposite the parabolic wall portion and has a focus which is located near the neck-shaped wall portion. The curved wall portion has a spherically curved portion having a center of curvature on the largest diameter or above it and a flattened portion proximate the axis of symmetry. The lamp bulb renders it possible to manufacture, by the choice of the finish of the lamp bulb, a large number of lamp types.

REFERENCES:
patent: 2115839 (1938-05-01), Briefer
patent: 2170675 (1939-08-01), Ayral
patent: 2901655 (1959-08-01), Linsday et al.
patent: 4041344 (1977-08-01), LaGiusa
patent: 4506185 (1985-03-01), Giller et al.
patent: 4633126 (1986-12-01), Giller et al.
patent: 4656386 (1987-04-01), Bloom et al.
patent: 4672514 (1987-06-01), Giller

Affiliated with

Also associated with

Rating

Blown lamp bulb and electric lamp provided with such a bulb does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Blown lamp bulb and electric lamp provided with such a bulb, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Blown lamp bulb and electric lamp provided with such a bulb will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1959969