Pipes and tubular conduits – Distinct layers – With intermediate insulation layer
Reexamination Certificate
2006-12-26
2006-12-26
Hook, James (Department: 3754)
Pipes and tubular conduits
Distinct layers
With intermediate insulation layer
C138S151000, C138S158000, C138S161000
Reexamination Certificate
active
07152633
ABSTRACT:
The present invention relates to a heat shield for pipes and tubes that is flexible, has an interior insulating layer, and has an exterior reflective layer. A shield may include a flap extending from the shield body for covering a portion of the component not already covered by the shield body. The interior layer faces the exhaust pipe, is made of woven silica, and may include a conductive coating. The exterior layer is an aluminum finish. The heat shield may be secured with stainless steel clamps or a lace and installed on an installed pipe or tube. The heat shield may be installed with an air gap between the pipe and the heat shield.
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Hahn Loeser & Parks LLP
Hook James
Hrivnak Bret A.
Thermo-Tec
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