Electric heating – Heating devices – With heating unit structure
Patent
1997-09-12
1999-11-09
Walberg, Teresa
Electric heating
Heating devices
With heating unit structure
H05B 344
Patent
active
059819200
ABSTRACT:
A heater has a heat resistant, thermally and electrically insulating tube having an elongated opening through a wall of the tube and extending along at least a portion of the tube, and a heating element positioned within the tube and extending along at least a portion of the opening. A first portion of a section of the element extending along the opening is exposed and a second portion of the section of the element extending along the opening is shielded by the tube. In one particular embodiment of the invention, the tube is a cylindrically shaped aluminum oxide tube, the heating element is a nichrome wire coil, and the elongated opening is a slot having a constant width which extends between opposing ends of the tube.
REFERENCES:
patent: 2887556 (1959-05-01), Djinis et al.
patent: 3675619 (1972-07-01), Burd
patent: 3684859 (1972-08-01), Deslodge
patent: 3699309 (1972-10-01), Eck
patent: 4139359 (1979-02-01), Johnson
patent: 4496386 (1985-01-01), Hymore et al.
patent: 4529123 (1985-07-01), Johnson
patent: 4666492 (1987-05-01), Thimons et al.
patent: 4767434 (1988-08-01), Schwartz et al.
patent: 4796562 (1989-01-01), Brors et al.
patent: 4830650 (1989-05-01), Kelly
patent: 5049725 (1991-09-01), Abramson
patent: 5329097 (1994-07-01), Jones et al.
patent: 5362033 (1994-11-01), Sakurai et al.
patent: 5672189 (1997-09-01), Funck et al.
patent: 5781692 (1998-07-01), Wagner
Lepiane Donald C.
PPG Industries Ohio Inc.
Robinson Daniel L.
Walberg Teresa
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