Static molds – Including means within surface to confine heat exchange medium
Patent
1977-08-26
1979-04-03
Husar, Francis S.
Static molds
Including means within surface to confine heat exchange medium
425446, B28B 700
Patent
active
041473230
ABSTRACT:
Apparatus for curing concrete of a type having a mold or plurality of molds disposed on a frame is characterized by having a forced air heating system which includes a mechanism for evenly distributing heat along the length of a concrete bed. The concrete bed has a plurality of molds thereon and an opening under the molds for receiving a heat distributing mechanism. A heater is attached to the heat distributing mechanism and an air circulating mechanism is provided for causing the heat from the heater to flow to the heat distributing mechanism. The heat distributing mechanism includes a first conduit attached at one end thereof to and in communication with the heater. The first conduit has side walls which are impervious to the flow of the heated gases and the other end of the first conduit is open. A second conduit is sealingly disposed around the first conduit and encompasses the other opened end of the first conduit. An annular passageway is formed between the first and second conduits whereby heated air from the heater passes through the first conduit and out the other end thereof into the passageway. The plurality of apertures are disposed in the second conduit in communication with the passageway and in communication with the opening under the mold for substantially evenly distributing the heated gases to the molds on the bed.
REFERENCES:
patent: 2942321 (1960-06-01), Pinter et al.
Husar Francis S.
McQuade John
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