LARGE LIGHTWEIGHT MOLDED MATERIAL AND METHOD FOR ITS MANUFACTURE

A large lightweight 3-D shaped molded pulp material, for example a container, comprising a large pulp molded outer shell lined with a reinforcing core spacer material, conforming to and adhering to said shell, and an inner shell made of molded pulp or a flexible paper based material. A method for ma...

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Bibliographische Detailangaben
Hauptverfasser:	OLLEVIK, Tommy, HELLBERG, Mårten, SUNDBLAD, Per, HANSSON, Torbjörn
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CHAIRS FOR DENTISTRY 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 FIBREBOARD FUNERAL DEVICES HANDLING THIN OR FILAMENTARY MATERIAL HUMAN NECESSITIES HYGIENE LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE MEDICAL OR VETERINARY SCIENCE OPERATING TABLES OR CHAIRS PACKAGES PACKAGING ELEMENTS PACKING PAPER-MAKING PERFORMING OPERATIONS PRODUCTION OF CELLULOSE STORING TEXTILES TRANSPORT OR ACCOMODATION FOR PATIENTS TRANSPORTING
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Beschreibung
Zusammenfassung:	A large lightweight 3-D shaped molded pulp material, for example a container, comprising a large pulp molded outer shell lined with a reinforcing core spacer material, conforming to and adhering to said shell, and an inner shell made of molded pulp or a flexible paper based material. A method for manufacturing such a lightweight material involves pressing slurried pulp between a first male mold half covered with elastomeric material and a second female mold half, to form the molded pulp outer shell, and gluing the reinforcing core spacer material to the interior of said molded pulp shell and gluing the inner shell to said spacer material.