Drying and gas or vapor contact with solids – Apparatus – For hollow article
Reexamination Certificate
2005-03-08
2005-03-08
Lu, Jiping (Department: 3749)
Drying and gas or vapor contact with solids
Apparatus
For hollow article
C034S437000, C015S104030, C015S104050, C015S304000, C432S075000
Reexamination Certificate
active
06862818
ABSTRACT:
An oil removing device for cleaning pipes that are present in the form of coils in a furnace that accommodates and heats the pipes, with or without associated cooling zone, has a gas guiding device for feeding a scavenging gas to or removing it from the pipes. The gas guiding device is provided with connections for detachably and sealingly linking with a gas feed line and a gas discharge line. Ends of every pipe are separately connected to one and the same connecting head that has a gas inlet and a gas outlet opening the axially aligned therewith. The end of the gas feed line and the end of the gas discharge line are opposite each other and can be displaced along with the gas inlet opening and/or the gas outlet opening while sealingly connected.
REFERENCES:
patent: 5603167 (1997-02-01), Toyoda et al.
patent: 5784803 (1998-07-01), Toyoda et al.
patent: 6648633 (2003-11-01), Suchan et al.
Johnen Willi
Jones Glynn
Jordan and Hamburg LLP
Lu Jiping
Otto Junker GmbH
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