METHOD OF INJECTING POLYURETHANE IN PRE-INSULATED PIPES AT THE POINTS OF JOINING WITH FITTINGS
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United States of America Patent
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Issued Date -
Apr 4, 2024
app pub date -
Jan 13, 2022
filing date -
Jan 21, 2021
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Abstract
The invention relates to a method of injecting polyurethane, where the contents of two cylinders (2) of polyol and isocyanate are mixed in a static mixer (3). The mixed amount of polyurethane is injected with a gun (1) into a hole and at the appropriate points for joining the fittings. The injection can be done in horizontal hanging lines that run through the roof, in vertical columns, but also in any other case as judged by the applying person.
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