Appeal No. 97-2912
Application No. 08/291,768
through 5 stand withdrawn from consideration by the examiner
as being drawn to a non-elected invention.
Claim 6 is representative of the subject matter on appeal
and reads as follows:
A device for heating a low temperature carbonization
drum, comprising:
a heating gas circuit having an inflow line and an outflow
line connected to a carbonization drum generating
carbonization gas;
said heating gas circuit having a combustion chamber
commuicating with said carbonization drum, said combustion
chamber receiving and combusting a partial flow of the
carbonization gas from the carbonization drum, thereby
generating a heating gas, and delivering the heating gas to
the carbonization drum; and
said heating gas circuit having a heat exchanger connected
between the carbonization chamber and said combustion chamber
for preheating the heating gas received from the carbonization
drum.
The references of record relied upon by the examiner are:
May 2 0340 537 Nov. 08, 1989
(Published European Patent Application)
Karl J. Thome-Kozmiensky , Pyrolyse von Abfallen, Ef-Verlag3
for
2Our reference to May is to the corresponding English
translation of record.
3The examiner has not supplied its corresponding English
translation.
2
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