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MARC A CHAVANNES
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MARC A CHAVANNES
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Application filed by MARC A CHAVANNESfiledCriticalMARC A CHAVANNES
Priority to ES1967133593UpriorityCriticalpatent/ES133593Y/en
Publication of ES133593UpublicationCriticalpatent/ES133593U/en
Application grantedgrantedCritical
Publication of ES133593YpublicationCriticalpatent/ES133593Y/en
Cellular plastic laminate, characterized in that it comprises a first laminate having a layer of base material and a layer of gas impermeable material superimposed on one side thereof, said laminate having a plurality of reliefs emerging from said side and a second laminate that has outer layers of base material and a central layer of gas impervious material, said second laminate being welded to the other side of the first laminate to form a plurality of sealed cells. (Machine-translation by Google Translate, not legally binding)
PROCESS OF MANUFACTURING A THERMAL WELDABLE LAYERED MATERIAL, CONTAINING AT LEAST TWO LAYERS OF THERMOPLASTIC MATERIAL, AND THEREFORE MANUFACTURED LAYERED MATERIAL.