SEALING APPARATUS FOR FORMING VOID-FILL PACKAGING

A sealing apparatus (10) for forming void-fill packaging which comprises a longitudinal guide path along which an edge of a part-sealed plastics film material (16) can pass, a drive means (34) for moving the film material along the guide path, and an air blowing or injecting means (30) for inflating...

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Bibliographische Detailangaben
Hauptverfasser:	HELMICH, Mark, SAUNDERS, Jeremy, WALMSLEY, Daniel
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSESB31B OR B31C PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A sealing apparatus (10) for forming void-fill packaging which comprises a longitudinal guide path along which an edge of a part-sealed plastics film material (16) can pass, a drive means (34) for moving the film material along the guide path, and an air blowing or injecting means (30) for inflating the film material. There is also provided a heater assembly (32) comprising a heating element and a rigid thermally conductive member which is thermally coupled to the heating element, the thermally conductive member having a film-contacting surface for applying thermal energy to seal the film material on the longitudinal guide path. L'invention porte sur un appareil d'étanchéité (10) pour former un emballage de remplissage de vide qui comprend un trajet de guidage longitudinal le long duquel un bord d'un matériau de film plastique scellé en partie (16) peut passer, un moyen d'entraînement (34) pour déplacer le matériau de film le long du trajet de guidage, et un moyen de soufflage ou d'injection d'air (30) pour gonfler le matériau de film. L'invention concerne également un ensemble de chauffage (32) comprenant un élément chauffant et un élément thermoconducteur rigide qui est couplé thermiquement à l'élément chauffant, l'élément thermoconducteur ayant une surface de contact avec le film pour appliquer une énergie thermique pour sceller le matériau de film sur le trajet de guidage longitudinal.