METHOD AND DEVICE FOR CONVEYING CONTAINER THROUGH OVEN FOR FORMATION OF INSULATED FOAMED LAYER ON THE CONTAINER

PROBLEM TO BE SOLVED: To apply a heating treatment to a container in which a foamed insulating area is formed in such a manner that the container does not come into contact with another container and the area is caused to foam uniformly. SOLUTION: A container C passes on a conveyance device in an ov...

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Bibliographische Detailangaben
Hauptverfasser:	BREINING MICHAEL A, BROWN DAVID C, GRISHCHENKO GRIGORY, GONTKOSKY LEO W, LIVINGSTON ARTHUR H, MALAKHOW WALTER
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER 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:	PROBLEM TO BE SOLVED: To apply a heating treatment to a container in which a foamed insulating area is formed in such a manner that the container does not come into contact with another container and the area is caused to foam uniformly. SOLUTION: A container C passes on a conveyance device in an oven 20 and a foaming material on each of the containers C is caused to foam into an insulating layer. The containers C are supported by a holding part 30 of the conveyance device respectively and the holding part 30 prevents the containers C from coming into contact with each other. The holding part 30 preferably supports loosely the containers C so that the container can be freely rocked with the holding part 30 to be less influenced by the air current of the oven 20 and the vibration of the conveyance device. The holding part 30 does not come into contact with points on each of the container C during an enough period of time to allow the dissipation of heat from the containers C through the holding part 30 so that any adverse effect upon the foaming process may be eliminated. The containers C are conveyed in a single vertical row along a meandering path in the oven 20.