ES287613A3 - Improvements introduced in the manufacture of plastic bags equipped with filling valve (Machine-translation by Google Translate, not legally binding)
- Google Patents
Improvements introduced in the manufacture of plastic bags equipped with filling valve (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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PONTVIANNE SANTOS CESAR
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PONTVIANNE SANTOS CESAR
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Application filed by PONTVIANNE SANTOS CESARfiledCriticalPONTVIANNE SANTOS CESAR
Priority to ES287613ApriorityCriticalpatent/ES287613A3/en
Publication of ES287613A3publicationCriticalpatent/ES287613A3/en
Improvements introduced in the manufacture of plastic bags equipped with a filling valve, characterized in that the bag itself is obtained starting from a tubular plastic material whose two mouths are welded thus forming a completely closed bag, which is then carried performed the operation of making an incision or groove in the upper part of the bag in only one of the faces that integrate it, reinforcing such groove at their ends in avoidance of tears when the bag is filled by it. (Machine-translation by Google Translate, not legally binding)
ES287613A1963-05-021963-05-02Improvements introduced in the manufacture of plastic bags equipped with filling valve (Machine-translation by Google Translate, not legally binding)
ExpiredES287613A3
(en)
Procedure and device for the manufacture of valve bags with crossed fund of synthetic material (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)
A perfect procedure for effecting the closure of containers of self-bonding plastic material (Machine-translation by Google Translate, not legally binding)