ES209872A2 - Improvement in the manufacture of carton, cardboard and similar tubes (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvement in the manufacture of carton, cardboard and similar tubes (Machine-translation by Google Translate, not legally binding)
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Priority to ES0209872ApriorityCriticalpatent/ES209872A2/en
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Improvements in the object of the main patent number 192,310 for improvements in the manufacture of cardboard cardboard tubes and the like which is characterized by considering an operation or final phase for the interior exterior finish or both sides of the sheet to be treated in the application to this or these parts of self-melting plastic materials advantageously heat dispersions or solutions of artificial resins thermoplastic or self-soldering comprising the preparation of the tube a single turn of the sheet to be treated leaving this sheet with its edges superimposed to effect them the thermal and welding action by pressure and heat. (Machine-translation by Google Translate, not legally binding)
ES0209872A1953-06-191953-06-19Improvement in the manufacture of carton, cardboard and similar tubes (Machine-translation by Google Translate, not legally binding)
ExpiredES209872A2
(en)
Process for the production of curved envelopes in the form of a cylindrical ring (torus) with a seam on its inner side, in particular those for enveloping the bends of insulated pipes
System for the obturation by interposition of a shutter element, of the filling duct of individual walls of thin walls (Machine-translation by Google Translate, not legally binding)
Procedure for continuous formation of cartons of type case or analogue, with paper coating or analogue material (Machine-translation by Google Translate, not legally binding)