Water heater construction and method of manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 26, 1989
Issued Date -
N/A
app pub date -
Jun 20, 1986
filing date -
Mar 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water heater tank assembly having a shell with top and bottom heads welded in opposite ends thereof. The heads have aligned flue tube mounting openings therein in which metal collar members are welded. Flue tubes are mounted in and welded to the collar members. The collar members serve as a heat sink to prevent damage to the glass lining on the shell, head members and flue tubes during the various welding operations.
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Family
International Classification(s)
Cited Art Landscape
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