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.)
WR Grace and Co
Original Assignee
WR Grace and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WR Grace and CofiledCriticalWR Grace and Co
Priority to ES362520ApriorityCriticalpatent/ES362520A3/en
Publication of ES362520A3publicationCriticalpatent/ES362520A3/en
Containers And Plastic Fillers For Packaging
(AREA)
Abstract
Method of preparing thermoformed packages, characterized in that it comprises the placement of one or more articles to be packaged between two sheets of polymer material, at least one of which has been thermoformed by heat and vacuum, and the thermal sealing of the sheets to enclose the article or articles, the sheet being thermoformed to each of them a laminate of a film of a vinyl chloride polymer and a film of an ethylene polymer. (Machine-translation by Google Translate, not legally binding)
ES362520A1969-01-151969-01-15Method of preparation of thermoformed packages. (Machine-translation by Google Translate, not legally binding)
ExpiredES362520A3
(en)
Semi-automatic machine for the preparation or packaging of products in general, especially food products, especially food products, through wrapping of the same with film or films of plastic material. (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of a biaxily strengthened sheet based on poly (vinyl chloride) or copolymers of vinyl chloride with thermosoldable layer. (Machine-translation by Google Translate, not legally binding)