METHOD AND APPARATUS FOR FORMING AND HERMETICALLY SEALING SLICES OF FOOD ITEMS

An apparatus and method are provided for forming a hermetically sealed package for a slice of a food item (100) A web of thermoplastic material is first formed into a tubular arrangement with a hermetic longitudinal seal. To form the tubular arrangement, means (12) are provided for folding a continu...

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Bibliographische Detailangaben
Hauptverfasser:	SHAFT, DAVID L, MATHARANI, MICHAEL A, MELI, VINCENT A, URMANSKI, JAMES L, BREZEZINSKI, TED A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS PACKING PERFORMING OPERATIONS STORING TRANSPORTING UNPACKING
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Beschreibung
Zusammenfassung:	An apparatus and method are provided for forming a hermetically sealed package for a slice of a food item (100) A web of thermoplastic material is first formed into a tubular arrangement with a hermetic longitudinal seal. To form the tubular arrangement, means (12) are provided for folding a continuous web of thermoplastic material into V-folded condition and (20) for continuously forming a hermetic seal along the open longitudinal edge of the V-folded web. The hermetic seal is formed between the inner surfaces of the front and rear faces of the web to define a tubular web member. The food item which has been formed into a soft mass is then inserted into the tubular member and the tubular member is flattened to form a thin film tube. Means (40) are provided for forming a hermetically sealed cross-seal which are disposed substantially transverse to the longitudinal forward moving direction of the web.