Shielded lamp unit

Details Shielded lamp unit Shielded lamp unit

1987-07-13

1989-04-04

Albritton, C. L.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219357, F24H 300

Patent

active

048188492

ABSTRACT:
A shielded lamp unit for use in applications where a standard quartz lamp is susceptible to damage by contaminants. The unit includes a transparent substantially tubular sheath member having caps at opposite ends for supporting the lamp in a concentrically spaced relationship to the inner walls of the sheath and for sealing contaminants out of the lamp area. The end caps include a longitudinal bore which receives the quartz-type lamp and at least one concentric annular flange which is received in the inner bore of the tubular member.

REFERENCES:
patent: 3596057 (1971-07-01), Arntz
patent: 3673401 (1972-06-01), DuPont
patent: 4241292 (1980-12-01), Kreick et al.
patent: 4324126 (1982-04-01), Riech et al.
patent: 4406944 (1983-09-01), Crain et al.

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