Door made of polyurethane and method for manufacturing the same
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United States of America Patent
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Apr 7, 2015
Grant Date -
Jan 23, 2014
app pub date -
Jan 29, 2013
filing date -
Jul 19, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A door made of polyurethane, including a door body, the door body including a plurality of integrated plates stacked on one another for supporting. A method for preparing the door includes providing a mold, and spraying a parting agent inside the mold; heating the mold to a temperature of 30-70° C., spraying the parting agent, and placing a plurality of plates or a metal skeleton in the mold; mixing raw materials to obtain a mixture; injecting the mixture into the mold to cover the stacked plates, and curing for 30-90 min; demolding, transferring a product from the mold to a thermostatic chamber for shaping at a constant temperature; trimming uneven edges and surfaces of the product; and spraying a paint on the product.
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