Fluorescent lamp and method for attaching a base member to an end of same
AssigneeOsram Sylvania Inc.
InventorsGary T. Cunkelman, Richard C. Laird
Life of this patent
Estimating the term…
Abstract
A fluorescent lamp includes a glass envelope having a sealed end portion, a base shell member of a cup-shape configuration adapted to engage the envelope end portion, and a collar of shrink wrap material disposed around the envelope end portion and sides of the base shell member, the shrink wrap material being shrunken and compressing against the envelope end portion and the base shell member, to fix the base shell member on the envelope end portion.
Claims23
A fluorescent lamp comprising:
- a glass envelope having a sealed end portion;
- a base shell member of a cup-shape configuration adapted to engage the envelope end portion;
- and
- a collar of shrink wrap material disposed around the envelope end portion and sides of the base shell member, the shrink wrap material being shrunken and compressing against the envelope end portion and the base shell member, to fix the base shell member on the envelope end portion.
A method for attaching a base member to an end of a fluorescent lamp glass envelope, the method comprising the steps of:
- providing an annular end portion on an external wall portion of the glass envelope;
- pressing a base shell member of a cup-shape configuration onto the end portion of the envelope;
- applying a collar of shrink wrap material to the envelope end portion and the base shell member;
- and
- shrinking the collar to compress against the envelope end portion and the base shell member, to fix the base shell member on the envelope end portion.
A fluorescent lamp comprising:
- a glass envelope having a sealed end portion;
- a base shell member of a cup-shape configuration adapted to engage the envelope end portion;
- a collar of wrap material disposed around the envelope end portion and sides of the base shell member;
- and
- an adhesive disposed on an interior surface of said collar and contiguous with the glass envelope end portion and said base shell member, to fix said base shell member on the envelope end portion.
A method for attaching a base member to an end of a fluorescent lamp glass envelope, the method comprising the steps of:
- providing an annular end portion on a wall of the glass envelope;
- pressing a base shell member of a cup-shape configuration onto the end portions of the envelope;
- and
- applying a collar of wrap material to the envelope end portion and the base shell member, the wrap material having a layer of adhesive on an interior surface thereof to fix the base shell member on the envelope end portion.
Dependencies are inferred from the claim text.