Method of injecting polyurethane in pre-insulated pipes at the points of joining with fittings
OwnerAnastasios Rizopoulosinventor
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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.
Claims1
A method of injecting polyurethane into pre-insulated tubes at joints with fittings, where the contents of two cylinders (2) of isocyanate and polyol are mixed in a static mixer (3), characterized in that the resulting polyurethane is injected through a gun (1) into holes for joining pre-insulated pipes with fittings.
Dependencies are inferred from the claim text.