ES233056A3 - A procedure for molding of hollow bodies of thermoplastic material (Machine-translation by Google Translate, not legally binding)
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A procedure for molding of hollow bodies of thermoplastic material (Machine-translation by Google Translate, not legally binding)
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RIBES RODES MANUEL
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RIBES RODES MANUEL
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Method of molding hollow bodies of thermoplastic material, consisting essentially of starting from a single-piece mold, provided with a single hole for casting the material to be molded, whose mold is initially heated to a temperature of approximately 180º c., then pouring into the same a vinyl resin cold dissolved with dioptyl phthalate, to whose dissolution the appropriate dyes will have been previously added, carrying out the aforementioned casting in an amount just necessary for the interior coating of the mold in a desired thickness, after which it is proceeded to provide this mold with a series of movements in suitable directions to achieve that the thermoplastic material completely covers the inner form thereof and suffer, due to the temperature to which it is drawn, an initial coagulation, whose operation is carried out for a time of 3 to 5 minutes, approximately, after passing the indicated mold to a stove, hor no or similar appropriate, where the annealing of the thermoplastic material takes place, until the same acquires the necessary consistency, at which time, it can proceed to the demolding, removing the finished piece by the hole of the mold. (Machine-translation by Google Translate, not legally binding)
ES0233056A1957-01-041957-01-04A procedure for molding of hollow bodies of thermoplastic material (Machine-translation by Google Translate, not legally binding)
ExpiredES233056A3
(en)
Method of manufacturing molded parts based on cement or concrete, using missed molds, which are incorporated to the piece as a protective packaging. (Machine-translation by Google Translate, not legally binding)
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