Manufacture of insulating products
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United States of America Patent
Stats
-
Dec 22, 1981
Issued Date -
N/A
app pub date -
Aug 20, 1979
filing date -
Jul 9, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing sheet form insulation products from an aqueous slurry containing calcium silicate comprises the steps of pumping the slurry into a closed mould cavity in a platen filter press, at least one wall of the mould cavity being foraminous to an extent sufficient to allow the escape substantially only of fluid, stopping the pumping at a predetermined level of back pressure in the mould cavity, followed by closing the press to reduce at least one dimension of the mould cavity a prechosen amount.
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