WO1994001335A1 - Tube aluminium enrobe de plastique - Google Patents

Tube aluminium enrobe de plastique Download PDF

Info

Publication number
WO1994001335A1
WO1994001335A1 PCT/EP1993/001731 EP9301731W WO9401335A1 WO 1994001335 A1 WO1994001335 A1 WO 1994001335A1 EP 9301731 W EP9301731 W EP 9301731W WO 9401335 A1 WO9401335 A1 WO 9401335A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic coating
tube
plastic
tubes
coating
Prior art date
Application number
PCT/EP1993/001731
Other languages
German (de)
English (en)
Inventor
Joachim Franken
Bernhard Reutersberg
Tilwin Lepsius
Original Assignee
Henkel Kommanditgesellschaft Auf Aktien
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel Kommanditgesellschaft Auf Aktien filed Critical Henkel Kommanditgesellschaft Auf Aktien
Publication of WO1994001335A1 publication Critical patent/WO1994001335A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/02—Body construction
    • B65D35/04—Body construction made in one piece
    • B65D35/06—Body construction made in one piece from metallic material

Definitions

  • the invention is directed to a method for producing an aluminum tube and to an aluminum tube.
  • Pasty and viscous products in particular are often offered for sale in tubes.
  • the tubes are made of plastic, metal / plastic composite films or aluminum. So far, it is still common practice to pack or insert the tubes in folding boxes or blister packs or put in trays in groups in a transport packaging and to transport them to the point of sale in this transport packaging. As part of the efforts to avoid waste and packaging, efforts are now being made to save as much packaging material as possible.
  • One way to save packaging material is to transport the tubes to several loosely poured into the transport packaging and thus to avoid folding boxes or blister packs. While such a transition can take place without any major problems for plastic tubes and tubes made of metal / plastic composite material, there is a risk with aluminum tubes that they will be damaged.
  • Loose and freely moveable aluminum tubes slide back and forth during transportation, causing dents and folds, and furthermore, with their sharp-edged sealing folds, cause scratches on the colored and printed outer surfaces of the tubes when they are strung together. Tubes with dents and folds or scratched tubes are no longer accepted by the buyer in the shops as first-class goods and must therefore be sorted out as inferior rejects.
  • the object of the invention is to provide a solution which enables the damage-free transport of several loose and freely movable aluminum tubes packed in a transport packaging.
  • this object is achieved according to the invention in that after the extrusion and preferably after painting and / or printing the tube body, a plastic coating with a thickness of 50 ⁇ m to 200 ⁇ m is applied to at least partial areas of the outer tube surface is applied.
  • Aluminum tubes provided with a plastic coating according to the invention have the same transport properties as plastic tubes or tubes made of metal / plastic composite material. The advantageous properties of the aluminum tube are retained.
  • the plastic coating is a polyolefin, in particular polypropylene (PP) or polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS) or polyurethane foam (PU) by flame spraying, extruding, sealing or labeling with adhesion promoter is applied by means of pressure sensitive adhesive or as a hot melt, as the invention provides in a further development.
  • PP polypropylene
  • PE polyethylene
  • PVC polyvinyl chloride
  • PS polystyrene
  • PU polyurethane foam
  • the plastic coating may also be expedient for the plastic coating to be sealed or shrunk on as a plastic tube.
  • plastic coating being used as a coating lacquer layer, preferably by printing, is applied, as is also provided by the invention.
  • Conventional printing processes for coating can be used here.
  • a transparent or transparent plastic coating is applied after the bare tube has been colored, or a plastic coating colored with color pigments is applied and then printed becomes.
  • the above-mentioned object is achieved according to the invention by a plastic coating with a thickness of 50 ⁇ m to 200 ⁇ m on at least partial areas of the outer surface of the tube.
  • the plastic coating consists of a polyolefin, in particular polypropylene (PP) or polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS) or polyurethane foam (PU).
  • PP polypropylene
  • PE polyethylene
  • PVC polyvinyl chloride
  • PS polystyrene
  • PU polyurethane foam
  • the plastic coating is transparent, as the invention also provides in a further embodiment.
  • a tube body is first pressed in an extrusion process from an aluminum ronde, as is customary in the production of aluminum tubes.
  • This tube body is then also lacquered and / or printed as is known from the usual tube production.
  • a plastic coating with a thickness of 50 ⁇ m to 200 ⁇ m is then applied to the outer lateral surface of the tub body.
  • This plastic coating is applied at least to partial areas of the outer tube surface, for example certain areas of the tube body, such as the fold area, can remain free of the plastic coating.
  • the plastic coating can also be applied partially in different thicknesses or pigmented in different colors.
  • Polyolefins are used as plastic coatings, in particular polypropylene (PP) and polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS) or polyurethane foam (PU) use. These are applied to the outer surface of the tube by known methods such as flame spraying or extrusion.
  • the plastic coating can also be glued or sealed as an adhesive tape or label, which then has a pressure-sensitive adhesive coating on one side.
  • the plastic coating by sealing or shrinking a plastic tube onto the plastic body.
  • a transparent or transparent plastic layer is then applied to the tube body. It is also possible to apply a plastic coating colored with colored pigments. It is also possible to color-print and / or lacquer the tube body after the plastic coating has been applied.
  • the plastic coating is applied in a thickness of 50 ⁇ m to 200 ⁇ m. Such a strength is sufficient to ensure adequate transport protection. The outside aluminum surface of the tube body is thus adequately protected against scratching and the formation of dents. On the other hand, the plastic coating is also sufficiently thick so that scratches and slight dents, which are scratched into the plastic coating during transport, do not appear as conspicuous damage to the tube.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne la réalisation d'une protection pour le transport de tubes aluminium, qui permette de transporter sans dommage plusieurs tubes aluminium empaquetés en vrac, de façon qu'ils puissent bouger, dans un emballage prévu à cet effet. A cet effet, après l'extrusion et de préférence après l'application de peinture et/ou l'impression sur le corps du tube, on applique un revêtement plastique d'une épaisseur allant de 50 νm à 200 νm sur au moins des zones partielles de la surface extérieure du tube.
PCT/EP1993/001731 1992-07-13 1993-07-05 Tube aluminium enrobe de plastique WO1994001335A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4222979.0 1992-07-13
DE4222979 1992-07-13

Publications (1)

Publication Number Publication Date
WO1994001335A1 true WO1994001335A1 (fr) 1994-01-20

Family

ID=6463076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1993/001731 WO1994001335A1 (fr) 1992-07-13 1993-07-05 Tube aluminium enrobe de plastique

Country Status (1)

Country Link
WO (1) WO1994001335A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200051A (en) * 1977-04-28 1980-04-29 Kyodo Insatsu Kabushiki Kaisha Collapsible tube and method of manufacture
US4213541A (en) * 1976-02-03 1980-07-22 Onoda Cement Co., Ltd. Metallic squeeze-out tube with resinous layer on its surface
GB2081202A (en) * 1978-08-08 1982-02-17 Kyodo Printing Co Ltd Thin-walled metal tube

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213541A (en) * 1976-02-03 1980-07-22 Onoda Cement Co., Ltd. Metallic squeeze-out tube with resinous layer on its surface
US4200051A (en) * 1977-04-28 1980-04-29 Kyodo Insatsu Kabushiki Kaisha Collapsible tube and method of manufacture
GB2081202A (en) * 1978-08-08 1982-02-17 Kyodo Printing Co Ltd Thin-walled metal tube

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, Band 13, Nr 274, M-841, 1979-08-23, Zusammenfasung von JP, 01-70363 (DAINIPPON PRINTING CO LTD), *

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