Metallic squeeze-out tube with resinous layer on its surface

A novel metallic squeeze-out tube suitable for packing paste-like foods whose flavor is regarded as important or the like is described herein, in which a resin powder layer is formed on its inner surface and on the outer surface of its neck portion by electrostatic painting and thereafter it is fini...

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Bibliographische Detailangaben
Hauptverfasser:	ITOH, TSUTOMU, OHUCHI, KENJI, FURUYA, NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING 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 ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING NOZZLES PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS PIPES SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STORING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A novel metallic squeeze-out tube suitable for packing paste-like foods whose flavor is regarded as important or the like is described herein, in which a resin powder layer is formed on its inner surface and on the outer surface of its neck portion by electrostatic painting and thereafter it is finished by baking, whereby a resin coating film that is free from pin holes and has a strong corrosion resistance can be formed. Also a novel apparatus for forming a resin powder layer for such metallic squeeze-out tube is described, in which a cylindrical high voltage electrode is disposed in the proximity of an outer surface of a neck portion of an unprocessed metallic squeeze-out tube, a rod-shaped electrode to be inserted concentrically to the interior of the neck portion is provided if the inner diameter of the neck portion is large, a cylindrical high voltage electrode that is vertically movable and adapted to eject resin powder is disposed in the interior of the body portion of the squeeze-out tube, and further, air flows at the various portions in the metallic squeeze-out tube are adjusted so as to continuously form a powder layer.