ES340179A1 - A system for the closed valvular of bags of plastic matter. (Machine-translation by Google Translate, not legally binding)
- Google Patents
A system for the closed valvular of bags of plastic matter. (Machine-translation by Google Translate, not legally binding)
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A system for the valvular closing of sacks of plastic material, especially those destined to pulverulent and liquid substances, which is characterized by the fact of coupling two tubes in two holes of the container, destined one to the entry of the material to be packed and the other to the exit of the interior air, whose tubes, made of flexible material and of little thickness, are susceptible to turn inwards, tied or not, according to the packaged product, where the internal pressure keeps them closed, being provided that of these tubes the of filling has its mouth slightly widened for its coupling to the load tap, while the air outlet is cylindrical and smaller in diameter. (Machine-translation by Google Translate, not legally binding)
ES340179A1967-05-051967-05-05A system for the closed valvular of bags of plastic matter. (Machine-translation by Google Translate, not legally binding)
ExpiredES340179A1
(en)
Device for the inviolable closing and sealing of the mouths of sacks, bags and containers (Machine-translation by Google Translate, not legally binding)
Improvements in bags and containers for pulverulent materials for automatic pressure packaging (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of automatic closure valves for plastic bags with replayed sides or sides. (Machine-translation by Google Translate, not legally binding)