Manufacturing method of toothless flexible clamping pipe wrench

1. The utility model relates to the technical field of tools for disassembly and assembly of pipeline connectors, in particular to a toothless flexible clamping pipe wrench.

Background technique:

2. At present, most of the pipe wrenches used for disassembly and assembly of pipeline connectors are chain pipe wrenches and "barbed" bite pipe wrenches. The chain pipe wrenches are composed of a pliers handle and a chain hinged with the pliers handle. The front end of the pliers handle It is equipped with teeth that mesh with the chain. During use, bit marks are often left on the surface of the pipeline connector, which damages the surface of the pipeline connector and affects the service life of the pipeline. At the same time, the existing chain-type pipe wrench is heavy and very portable. inconvenient. The "barb" bite pipe wrench is often coated with a layer of organic coating on the surface of the pipe connection. When using the traditional "barb" bite pipe wrench to disassemble and assemble the pipe connection during the dredging, inspection and maintenance of the pipeline , It will cause damage to the organic coating on the surface of the pipeline connector, and sometimes cause difficult to repair damage to the organic coating on the surface of the pipeline connector, causing the pipeline connector to rust, and long-term use will also cause the pipeline to leak or leak. Water leakage, the existing treatment method for this kind of working conditions is to carry out a second repair at a later stage, and sometimes it is difficult to repair, which will inevitably cause waste of labor and materials.

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