F - Mech Eng,Light,Heat,Weapons – 16 – T
Patent
F - Mech Eng,Light,Heat,Weapons
16
T
137/9
F16T 1/04 (2006.01) F16T 1/10 (2006.01)
Patent
CA 2031779
The invention relates to a thermally controlled steam trap with a casing formed from two disk-like wall portions, with a diaphragm arranged between them and which is tightly welded at its outer edge to the two wall portions and forming with one wall portion a chamber receiving an expansion medium, and with a closure centrally fixed to the diaphragm and cooperating through a bore in the second wall portion with a valve seat. According to the invention the closure 7 is centrally connected to the diaphragm 4 and a counterpart 15 by resistance forge welding. In order to obtain a clean weld, the closure 7 is specially designed for resistance forge welding (Fig.1).
Domnik Canada Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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