ES229932A1 - Improvements in manufacturing material of pipes of plastic material and more particularly of polyamide (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements in manufacturing material of pipes of plastic material and more particularly of polyamide (Machine-translation by Google Translate, not legally binding)
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CIE FRANCAISE DES MATEAUX
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CIE FRANCAISE DES MATEAUX
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Publication of ES229932A1publicationCriticalpatent/ES229932A1/en
Improvements in material for the manufacture of plastic tubes and more particularly polyamides, characterized in that they comprise a cooling passage device for a tube made of plastic material, which has direct passages of the cooling liquid in all or part of its length. Through its wall, said passage being conveniently constituted by one or several wires wound in the form of a helix. (Machine-translation by Google Translate, not legally binding)
ES0229932A1955-07-211956-07-20Improvements in manufacturing material of pipes of plastic material and more particularly of polyamide (Machine-translation by Google Translate, not legally binding)
ExpiredES229932A1
(en)
Improvements in manufacturing material of pipes of plastic material and more particularly of polyamide (Machine-translation by Google Translate, not legally binding)
Improvements in manufacturing material of pipes of plastic material and more particularly of polyamide (Machine-translation by Google Translate, not legally binding)
Procedure and device for internal reinforcement, with wire, of tube of thermoplastic material of any kind (Machine-translation by Google Translate, not legally binding)