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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ST Regis Paper Co
Original Assignee
ST Regis Paper Co
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Publication date
Application filed by ST Regis Paper CofiledCriticalST Regis Paper Co
Publication of ES232763A1publicationCriticalpatent/ES232763A1/en
A tube making machine for paper sacks of the type having a tube former, characterized in that it is provided with a heating device adapted to be inserted between opposite longitudinal edges provided with plastic film from a piece of sack tube. Displacement, formed by said tube former, which edges are to be compressed and adhered to each other to give a longitudinal seam that has a weld of such a film film plastic. (Machine-translation by Google Translate, not legally binding)
ES0232763A1956-01-031956-12-29
A TUBE MAKING MACHINE FOR PAPER BAGS
ExpiredES232763A1
(en)
Procedure and device for the manufacture of valve bags with crossed fund of synthetic material (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of packaging sacks, intended for transport, starting from transformed paper. (Machine-translation by Google Translate, not legally binding)