Electric device for the vaporization of additives
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United States of America Patent
Stats
-
Jul 20, 1999
Grant Date -
N/A
app pub date -
May 28, 1997
filing date -
Aug 3, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric device for the vaporization of additives has a housing in which an electric heating unit is disposed and into which the additive is to be inserted. The device has a heat exchanger, which is in heat connection with the heating unit and which is disposed at a location to vaporize the additive. The device includes a plug for a wall socket which is rotatable relative to the housing and has a rotating joint carrying a set of contacts. A set of counter-contacts is at the housing and arranged in a manner to produce an electric connection in two positions of the plug offset from the housing by about 90.degree., and an annular range in between having a switching position in which the connection is opened.
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