Method of injecting polyurethane into pre-insulated pipe at joint to fitting

• Main Author: RIZOPOULOS ANASTASIOS
• Format: Patent
• Language: Chinese; English
• Published: 25.08.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to a method for injecting polyurethane, wherein the polyol and isocyanate contents of two cylinders (2) are mixed in a static mixer (3). A mixed amount of polyurethane is injected into the hole with a spray gun (1) and at the appropriate point to join the fitting. The injection may be performed in a horizontal suspension line extending through the roof as well as in a post, but may also be determined by an applicator in any other case. 本发明涉及一种注射聚氨酯的方法，其中在静态混合器(3)中混合两个圆筒(2)的多元醇和异氰酸酯内含物。用喷枪(1)将混合量的聚氨酯注射到孔中以及注射在适当点处以接合配件。所述注射可以在延伸穿过屋顶的水平悬吊管线中以及在立柱中进行，但在任何其他情况中也可以由施加人员判断。