PROCESSO DE EMBALAR ARTIGOS ENTRE DOIS LAMINADOS DE INVOLUCROS ALONGADOS,DISPOSITIVO ELETRONICO,LAMINADO PARA EMBALAGEM DE ESPUMA COM SUPORTE,CAMADA DE ESPUMA PARA EMBALAGEM E LATEX DE BORRACHA NATURAL

Heat sealing of wrapper laminates (31, 32) made of foam (102) supported by a porous substrate sheet is improved by coating on the foam-engaging face of the substrate a barrier layer such as polyvinylalcohol to keep the foam (102) when melted from bleeding through the substrate. The support for the f...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TEN-HU HSU, HERBERT B. ADELMAN, LEWIS R. RASZEWSKI
Format:	Patent
Sprache:	por
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STORING TRANSPORTING UNPACKING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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