ES352470A2 - Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
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Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
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ORTIN MARTIN
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ORTIN MARTIN
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Priority to ES352470ApriorityCriticalpatent/ES352470A2/en
Publication of ES352470A2publicationCriticalpatent/ES352470A2/en
Improvements in the object of the main patent no. 287,734, for "improvements in the manufacture of bags of plastic material provided of loading and closing valve", essentially characterized by the fact of replacing the oblique tubular valvular mouthpiece with a flexible sheet that by one from its edges it is thermoelectrically welded to the upper edge of the bag, while by other two edges it is welded, also thermoelectrically, by means of an angular weld, to one of the walls of the bag, in which it is practiced, in a direction substantially normal to the edge top of the bag, and located adjacent to one of the sections of the angular weld, the cut for entry of the supply nozzle of the product, which enters the bag through the passage defined between the non-welded edge of the sheet and said wall of the sack. (Machine-translation by Google Translate, not legally binding)
ES352470A1968-03-281968-03-28Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
ExpiredES352470A2
(en)
Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of containers made from a tubular wall material. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of bags of plastic material provided of valve of load and closure. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of bags of plastic material provided of valve of load and closure (Machine-translation by Google Translate, not legally binding)
Cover for closing and sealing the mouths of bags, bags and containers that are provided with longitudinal flaps (Machine-translation by Google Translate, not legally binding)