Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hays Manufacturing Co
Original Assignee
Hays Manufacturing Co
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Filing date
Publication date
Application filed by Hays Manufacturing CofiledCriticalHays Manufacturing Co
Publication of ES234519A1publicationCriticalpatent/ES234519A1/en
Process for manufacturing pipes of plastic material, being characterized by comprising the steps of arranging a pipe or hose of fabric in a mandrel to apply plastic material under flowing conditions to impregnate the fabric, to cure the plastic material and to remove the mandrel. (Machine-translation by Google Translate, not legally binding)
ES0234519A1956-05-151957-03-27Procedure for the manufacture of plastic material tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES234519A1
(en)
A new procedure for the manufacture of concrete pipes with precompressed or pretensed duels (Machine-translation by Google Translate, not legally binding)
A procedure for manufacturing rubber tubes or sleeves with rubber with interposed fabric layers (Machine-translation by Google Translate, not legally binding)