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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clupak Inc
Original Assignee
Clupak Inc
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Filing date
Publication date
Application filed by Clupak IncfiledCriticalClupak Inc
Priority to ES460590ApriorityCriticalpatent/ES460590A3/en
Publication of ES460590A3publicationCriticalpatent/ES460590A3/en
Shaping By String And By Release Of Stress In Plastics And The Like
(AREA)
Laminated Bodies
(AREA)
Abstract
Method of producing a composite web material comprising the operations of densifying paper in at least one direction to produce a stretch capacity in said paper substantially greater than the natural stretching capacity of the paper and producing a toughness substantially greater than the natural toughness of the paper. Paper, apply a uniform and thin plastic coating that has a substantial drawing capacity to a surface of said paper in a manner that will produce a strong bond of said plastic to said surface. (Machine-translation by Google Translate, not legally binding)
ES460590A1977-07-091977-07-09Method of producing a composite band material. (Machine-translation by Google Translate, not legally binding)
ExpiredES460590A3
(en)
Improvements in calandras of various cylinders for the manufacture of thermoplastic materials. (Machine-translation by Google Translate, not legally binding)