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US4383966A Method and apparatus for forming a flange on thermoplastic tubing 失效
用于在热塑性管上形成凸缘的方法和装置

Method and apparatus for forming a flange on thermoplastic tubing
摘要:
A flange can be formed on the end of a plastic pipe utilizing a die and mold which define a flange shaped mold cavity which expands under the pressure of compression plastic flow of pipe as the cavity is filled with a near molten end of the thermo-plastic pipe and the flange is being formed.
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