Opening device and apparatus for moulding an opening device on a sheet packaging material

An opening device for a package made of a sheet packaging material-said sheet packaging material comprising at least a first layer and a second layer, and having a hole formed through said first layer and sealed by a cover portion of said second layer-is made of plastic material molded onto said cov...

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Hauptverfasser: Golfieri, Daniele, Cani, Franco
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Sprache:eng
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creator Golfieri, Daniele
Cani, Franco
description An opening device for a package made of a sheet packaging material-said sheet packaging material comprising at least a first layer and a second layer, and having a hole formed through said first layer and sealed by a cover portion of said second layer-is made of plastic material molded onto said cover portion, and in turn comprises a spout defining a pouring opening and a wall portion closing said pouring opening, said wall portion defining, together with said cover portion, a user-removable sealing portion of said spout, a weakening region being interposed between said wall portion and said spout and said cover portion covering said weakening region; a molding apparatus for molding an opening device on a sheet packaging material is also disclosed.
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subjects ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
STORING
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title Opening device and apparatus for moulding an opening device on a sheet packaging material
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