ES242388A1 - A procedure for the manufacture of elastic rubber blessings (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the manufacture of elastic rubber blessings (Machine-translation by Google Translate, not legally binding)
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Process for the manufacture of rubber elastic bands, which is characterized by comprising the following operations: a mixture of virgin and regenerating rubber, sulfur, carbon black, zinc oxide and accelerators of the vulcanization is prepared, this mixture being subjected to the action of a roller mill until homogenization of the materials, whose typical composition will be the following: virgin rubber 40 parts, regenerated rubber 60, sulfur 3,5, antioxidant 1,5, black oil 40, castor oil 2, zinc oxide 5, stearic acid 1, dm accelerator 0.8 and accelerator c.z. 0.5 parts, passing the mass obtained to be treated by extortion and, once treated is transferred to the vulcanization molds for finishing. (Machine-translation by Google Translate, not legally binding)
ES0242388A1958-06-111958-06-11A procedure for the manufacture of elastic rubber blessings (Machine-translation by Google Translate, not legally binding)
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