Method and coating device for applying a cladding layer during the production of a multilayer heavy-duty pipe
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United States of America Patent
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Issued Date -
Feb 22, 2018
app pub date -
Feb 22, 2016
filing date -
Mar 6, 2015
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Abstract
The invention relates to a method and a coating device for applying a cladding layer onto the inner side of a carrier layer during the production of a multilayer heavy-duty pipe, with a pressure-exerting unit having a force application unit. A stable application of the cladding layer is achieved by having the coating device comprise a rolling tool with the pressure-exerting unit and the force application unit, and by providing the pressure-exerting unit with at least one pressure roller having a diameter that is smaller than the inside diameter of the heavy-duty pipe to be produced, and with at least one support element acting diametrically counter thereto with a supporting force in the operating state.
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