METHOD AND MACHINE FOR BELLING PVC-O PIPES
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Apr 6, 2022
filing date -
Apr 7, 2021
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Abstract
A method for processing pipes made of thermoplastic material of the PVC-O type, including the following steps:
- a step of feeding pipes into a station for receiving the pipe;a step of heating a first end portion of the pipe, in a heating station;a step of belling the first end portion of the pipe, after the step of heating the first end portion of the pipe; anda step of making an inner taper at a first end portion of the pipe, in a tapering station, said inner taper being performed before the heating step.
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