Screw plug immersion heater comprising separate header and threaded sleeve sections
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 2, 1993
Grant Date -
N/A
app pub date -
Jan 11, 1991
filing date -
Jan 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An immersion heater having a screw plug formed from header and sleeve parts. The header part comprises a stamped, thin sheet of metal having a plurality of holes for the heating elements to extend through and a portion of hexagonal configuration to be gripped by a tool. The sleeve part is a threaded piece of pipe to be screwed into the wall of a fluid-containing vessel. The header and sleeve parts are welded together to form the assembled screw plug.
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Family
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Cited Art Landscape
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