PLASTBELAGT FORMMASSEPRODUKT OG FREMGANGSMAATE FOR DIREKTE BINDING AV ET I HOVEDSAKEN TETT POLYESTERBELEGG TIL ET KONTURERT BASISLEGEME AV FORMMASSE

An inexpensive, disposable, ovenproof container is produced by molding a contoured base 10 in a die 12 with suction ports 14 from an aqueous slurry of non-browning, substantially 100% bleached kraft wood pulp, and drying under pressure using heated mating dies. A liner is formed by bonding to the ba...

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Hauptverfasser: STOWERS, CLIFFORD, FOSTER, PETER D
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creator STOWERS, CLIFFORD
FOSTER, PETER D
description An inexpensive, disposable, ovenproof container is produced by molding a contoured base 10 in a die 12 with suction ports 14 from an aqueous slurry of non-browning, substantially 100% bleached kraft wood pulp, and drying under pressure using heated mating dies. A liner is formed by bonding to the base 10 a 0.5-2.0 mil thick film 16 of thermoformable, substantially amorphous, substantially unoriented polyethylene terephthalate having an M.W. believed to be above 15,000. The film 16 is bonded to the base 10 by pre-heating the base, rapidly preheating the film 16 using a plate 18, then quickly pressing the film 16 into contact with the base 10 at 300-375 DEG F using a vacuum of about 50.8mm Hg applied through the base 10 for no longer than about 1 second, and finally cooling to prevent shrink separation of the liner from the base.
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A liner is formed by bonding to the base 10 a 0.5-2.0 mil thick film 16 of thermoformable, substantially amorphous, substantially unoriented polyethylene terephthalate having an M.W. believed to be above 15,000. 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source esp@cenet
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
FIBREBOARD
HANDLING THIN OR FILAMENTARY MATERIAL
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
PACKAGES
PACKAGING ELEMENTS
PACKING
PAPER-MAKING
PERFORMING OPERATIONS
PRODUCTION OF CELLULOSE
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
STORING
TEXTILES
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title PLASTBELAGT FORMMASSEPRODUKT OG FREMGANGSMAATE FOR DIREKTE BINDING AV ET I HOVEDSAKEN TETT POLYESTERBELEGG TIL ET KONTURERT BASISLEGEME AV FORMMASSE
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