Heating – Heating or heat retaining work chamber structure – Having expansion relieving or absorbing means
Reexamination Certificate
2006-09-27
2008-08-26
Wilson, Gregory A (Department: 3749)
Heating
Heating or heat retaining work chamber structure
Having expansion relieving or absorbing means
C432S247000, C110S336000
Reexamination Certificate
active
07416406
ABSTRACT:
Aspects of this invention include a furnace framework system which includes a framework with a first end piece, a second end piece and inter-connecting structural members operatively connecting the first end piece with the second end piece, with a combustion chamber housing and an exhaust manifold operatively attached to the framework by at least one expansion joint to allow limited relative movement between the combustion chamber housing and/or the exhaust manifold. The expansion joint may include a flange on at least one of the combustion chamber housing and the exhaust manifold retained between the first end piece and a structural retainer component.
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Schubach Frank
Wells St. John P.S.
Wilson Gregory A
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