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
  • B65D35/12—Connections between body and closure-receiving bush
• • 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
  • B65D47/00—Closures with filling and discharging, or with discharging, devices
  • B65D47/02—Closures with filling and discharging, or with discharging, devices for initially filling and for preventing subsequent refilling
• • 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
  • B65D49/00—Arrangements or devices for preventing refilling of containers
• • 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
  • B65D2203/00—Decoration means, markings, information elements, contents indicators

Definitions

• the invention relates to a packaging container, in particular a packaging tube for pasty packaging materials with an originality indicator according to the preamble of patent claim 1 and a method for their production according to the preamble of patent claim 8.
• Plastic packaging tubes have largely become established alongside metal tubes for packaging, advertising and delivery of technical, cosmetic and pharmaceutical pasty packaging materials. Because of their diffusion resistance, metal tubes for packaging oxidation-sensitive packaging materials were superior to plastic tubes. With the development of new plastics and laminates, for example for the production of foils for tube tube production, be it by extrusion or so-called longitudinal seam welding, the superiority of the metal tube was largely eliminated, so that metal and plastic tubes as a deformable packaging for, for example, oxidation-sensitive packaging materials as are to be regarded as equivalent. For the development of new plastics and laminates (tube materials), the highly developed, error-free tubes manufacturing technology for plastic tubes is added.
• Tube materials and production technology result in deformable tubes, with which a constant quality of the packaging material is guaranteed from the filling to the emptying of the tubes.
• the tube is also suitable as an advertising medium, the advertising displayed there being able to include the packaging material identification and other information relevant to origin.
• the advertising on the tubes is designed in terms of design - that is, producer-specific - for items such as toothpastes, so that consumers can optically identify which product to buy from which manufacturer, in the expectation of the same product of the same quality to acquire. With this expectation, this visual identification is superficial, which leads to problems for the packaging material manufacturer and / or packer with regard to his guarantee for origin, quality and quality consistency towards imitators.
• Imitators can, for example, equip packaging tubes almost true to the original, by equipping them here is a replica of a special tube shape with the same printing as the original, whereby these replicas usually have tubes and contents, ie packaging materials, of a different quality than that of the original manufacturer. If replicas are characterized by a loss of quality for tubes and / or packaging material that is recognizable to the consumer, the consumers count these quality reductions, if they are unaware, of having acquired a replica of the original manufacturer, a circumstance that leads to problems for the latter regarding the origin, quality and guarantee of its products ,
• the prefabricated head technology is based on the connection of a prefabricated tube head with a tube tube, in that the tube is melted onto the head using heat and pressure, while the other type is used to connect the tube and head by an injection molding process.
• the tube tube is connected to a tube head while it is being molded in a die, the molding being able to take place by reshaping a plasticized portion of material or by injection molding.
• a method is also known which connects the connection of prefabricated tube heads with plasticized portions of material to be pressed in order to produce tubes. The developments of these manufacturing processes pursue two objectives, namely technical and aesthetic.
• the invention breaks with the above-outlined idea of the professional world in that it maintains the mechanical qualities of a connecting seam between the head and the tube, but makes the connecting seam or parts thereof visible.
• the head is marked with a different color. The marking as a on the shoulder of the head is preferred. Fixed circumferential ring formed, which is visible during the connection between the tube and head by pressing an annular portion of plasticized plastic of a different color than the shoulder of the head and possibly the tube on the shoulder.
• a method is used to produce tubes with the marking shown above, in which a prefabricated head with a tube tube by means of an annular portion of plasticized plastic, preferably round or lenticular cross-section, in which the portion along the inner circumference of an upstanding edge portion of the tube and between or partially placed on the outer circumference of the shoulder of the head and pressed with a mandrel and a die, with the projecting edge section folded over in the direction of a spout of the tube head.
• the ring-shaped marking adjoins directly, ie on the front edge of the edge section, so that the ring is spaced from the deflection point by the length of the edge section.
• Fig. 1 A tube according to the invention in side view;
• FIG. 3 shows a mandrel with a head and a multi-chamber gradation
• Fig. 4 shows a mandrel with a head with the peripheral surface at an angle
• the tube 10 is formed from a tube tube 11, hereinafter referred to as tube 11, with which a tube head 12, also referred to as head 12, with the closure 13 applied is engaged.
• the head 12 includes a shoulder 14 and a spout 16 (Fig. 2).
• the shoulder 14 bears on its surface facing away from the inside of the tube, ie on its outer visible surface, a marking 15 designed according to the invention.
• the tube 11 consists of a plastic monofilm, plastic foil laminates or a plastic metal foil laminate , which are welded in a strip shape to form a tube 11 along the longitudinal edges of the strips.
• Pipes 11 can also be extruded, in this case there is no longitudinal seam welding.
• the tubes 11 are engaged at one of their open ends with prefabricated heads 12.
• the heads 12 are manufactured separately from plastic by injection molding from tube production.
• the head 12 um- holds a disc-shaped shoulder 14 with spout 16 projecting from the shoulder 14, which can be opened and closed by means of the closure 13.
• the outer diameter of the shoulder 14 of the head 12 is slightly smaller than the inner diameter of the tube 1 1, and dimensioned such that the material used for the connection during the press molding process the circumferential edge of the shoulder 14 while simultaneously filling an annular gap between the circumferential edge of the Shoulder 14 and the inner surface of the tube 1 1 can flow around.
• Head 12 and tube 11 are connected with a portion of material 17 made of plasticized plastic, which is to be selected so that it applies pressure and possibly heat to the plastic of head 10 and the plastic of tube 11, in the case of a laminate connects to the inner layer of the tube 1 1.
• Fig. 2 shows schematically shown as part of a pressing tool a round mandrel 20, on the circumferential surface extending in the axial direction, a tube 1 1 is pushed.
• the upper free end of the mandrel 20 is designed (contoured) such that the tube head 12 lies completely on it with its inner surface.
• the tube head 12 is formed by the disc-shaped shoulder 14, from which the hollow cylindrical spout 16 protrudes, engages in the mandrel extension 21, which projects centrally to the mandrel 20, so that the tube head 12 is held exactly centrally on the contoured free end of the mandrel 20.
• annular section 22 of the tube tube 11 projects beyond the transition 23 of the mandrel bevel 24 to the outer circumference 25 of the mandrel 20 from the end face.
• the axial extent of the annular section 22 depends, see FIG. 4, on the distance A with which the free circumferential edge 26 of the section 22 - seen from the center line of the head 12 - for support and thus an outer circumferential boundary 27 of the marking 15 should come into circulation.
• the head 11 according to FIG. 2 has a step 29 on its outer surface which runs around the outer circumference of the shoulder 14 and whose surface 30 protruding towards the spout 16 forms the inner circumferential boundary 28.
• the multi-chamber step 31 expediently comprises two chambers 32, 33, the first chamber 32, starting from the outer circumference of the mandrel 20 in the form of a slope in the direction of the center line M, passing into the second chamber 33, which in turn opens out into the bevel 24.
• the diameter of the mouth closest to the center line M that is to say the circumference of the second chamber 33, is dimensioned such that it is covered by the outer circumference of the shoulder 14 of the head 12, so that the chamber 33 with the tube head 12 applied to the mandrel 10 also the shoulder 14 forms an undercut 34 introduced into the end face, while viewed in the axial direction the first chamber 32 in connection with the inner peripheral surface of the section 22 of the Tube 1 1 and the outer circumference of the shoulder 14 of the tube head 12 forms an annular space 35 which is open to the shoulder 14 and extends axially to the mandrel 20. As illustrated in FIG.
• the second chamber 33 which engages under the shoulder 14, and the annular space 35 (first chamber 32) connected to the second chamber 33 create a shaping space into which the portion 17 made of connecting material, which is plasticized by heat, ie plastic of a different color than that of the head and possibly the tube 1 1 is pressed.
• FIG. 4 shows a circumferential surface (not shown), which runs parallel to the center line of a tube head 12, preferably as a bevel 36 to the center line.
• connection according to FIG. 2 satisfies normal requirements for a connection, while the requirements according to FIG. 4 higher than the connection according to FIG. 2 do because the bevel 36 represents a larger one-sided connecting surface than the parallel surface according to FIG. 2.
• the connection according to FIG. 3 is designed for highly stressed connections between the head 12 and the pipe 11, which includes the inner surface (surface facing the tube interior) of the head 12 as an addition to the surfaces of the annular space 35 through the undercut 34 ,
• the step 29 shown in FIG. 2 on the outer surface of the shoulder 14 of the head 12 can also be provided for the heads 12 according to FIGS. 3 and 4.
• the material portion 17 shown in FIGS. 2, 3 and 4 is preferred as a ring, equally preferred circular, lenticular or teardrop-shaped cross section expediently bears on the inner surface of the annular section 22 covering annular spaces 35.
• FIG. 5 and 6 show the means for connecting the tube tube 1 1 to the head 12.
• 39 denotes an annular die into which a mandrel 20 with an attached tube 11, head 12 and portion of material 17 is inserted before the start of the pressing process, the completion of which is shown in FIG. 6.
• the die 39 (only shown schematically) can have an inner ring 40 which is preferably spring-biased displaceable in the direction of movement of the mandrel 20 and which serves as a hold-down of the head 12 on the mandrel 20 and with its outer diameter as an axially displaceable shaping wall and lying on the shoulder 14, e.g. forms an inner circumferential boundary 28.
• the shaping contour of the die 39 is formed from a cylindrical section 41 and a radius-shaped section 42.
• the inside diameter of the cylindrical section 41 corresponds to the outside diameter of the mandrel 20 with the pipe 1 1 pushed on.
• the radius section 42 is dimensioned such that it depicts a rear part of the annular section 22 as a radius transition from pipe 11 to the head 12, during the front of which Part is brought into engagement with the outer surface of the shoulder 14 during the pressing process.
• the method for connecting a prefabricated head 12 to a tube 11, forming the annular connection on the shoulder 14 of the head 12, essentially takes place in six substeps.
• the first step consists of loading the Mandrel 20 with a tube tube 1 1, in such a way that an annular section 22 of the tube 1 1 projects beyond the transition 23 of the mandrel slope 24 to the outer periphery 25 of the mandrel 20.
• the axial length of section 22 is measured according to the radial distance that the free circumferential edge 26 of section 22, forming the outer circumferential boundary 27, should be after the pressing.
• the position of the outer circumferential boundary 27 increases in the direction of the spout 16, while when it is shortened, the boundary in the direction of the transition 23, that is to say in the direction of the outer circumference of the mandrel bevel 24, decreases.
• the prefabricated head 12 is placed on the mandrel 20, which is held centrally on the mandrel 20 via the opening of the spout 16 and spinous extension 21 and is encircled by the annular section 22.
• the material portion 17 made of connecting material is applied to the side of the shoulder 14 facing away from the mandrel bevel 24, ie to the visible outside of the shoulder 14.
• the portion of material 17 rests on the inner circumference of the section 22 and runs completely around the latter.
• the portion of material 17 consists of a plasticized plastic, the composition of which should be selected such that it uses pressure and possibly heat with the plastic of the head 12 and that of the tube 11, in the case of a laminate with the inner one Plastic layer of the tube 1 1 connects.
• the portion of material can be prefabricated and inserted or applied by extrusion onto the shoulder 14, preferably covering annular spaces 35.
• the plastic of the material portion 17 has a coloring which clearly differs from the color of the plastic of the prefabricated head 12 and, if appropriate, the color of the tube 11.
• a mandrel 20 loaded with tube 1 1, tube head 12 and a portion of material 17 moves into the open annular die 39 in a fourth step. If an inner ring 40 is provided, the outer surface of the shoulder 14 comes into engagement with the inner ring 40 and pushes it back into the die 39 against its spring preload during the insertion movement of the mandrel 20 into the die.
• the marking 15 is pressed and formed during the fifth process step.
• annular section 22 is also made of material 17 by means of the plastic of material portion 17 displaced in the direction of the spout 16 the shoulder 14 and there is an annular marking 15 on the surface of the shoulder 14, formed around the spout 16 at a distance, which is delimited by an inner 28 and outer circumferential boundary 27.
• Means (rising surface 30, inner ring 40) for forming the inner circumferential delimitation 28 are preferred for the precise representation of the marking 15, but it is also possible for the plastic which is displaced in front of the free circumferential edge 26 of the section 22 in the direction of the spout To let shoulder 14 leak.
• the mandrel 20 with the packaging tube 10 is moved out of the die 39 and the tube 10 is pulled off the mandrel 20, whereupon the manufacturing process, ie the process for producing a tube 10 with the marking 15, is repeated.

Landscapes

• Mechanical Engineering (AREA)
• Engineering & Computer Science (AREA)
• Tubes (AREA)
• Lining Or Joining Of Plastics Or The Like (AREA)
• Crystals, And After-Treatments Of Crystals (AREA)
• Extrusion Moulding Of Plastics Or The Like (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)
• Glass Compositions (AREA)
• Superconductors And Manufacturing Methods Therefor (AREA)
• Shaping Of Tube Ends By Bending Or Straightening (AREA)
• Making Paper Articles (AREA)
• Wrappers (AREA)
• Prostheses (AREA)
• Tires In General (AREA)

Priority Applications (10)

Applications Claiming Priority (2)

Publications (1)

Family

ID=32477145

Family Applications (1)

Country Status (16)

Cited By (1)

Families Citing this family (9)

Citations (4)

Family Cites Families (3)

• 2002
  • 2002-12-09 CH CH02083/02A patent/CH696318A5/de not_active IP Right Cessation
• 2003
  • 2003-12-08 RU RU2005121575/12A patent/RU2338672C2/ru not_active IP Right Cessation
  • 2003-12-08 AU AU2003286310A patent/AU2003286310A1/en not_active Abandoned
  • 2003-12-08 CA CA002509411A patent/CA2509411A1/en not_active Abandoned
  • 2003-12-08 CN CNA2003801096088A patent/CN1747876A/zh active Pending
  • 2003-12-08 AT AT03777053T patent/ATE474785T1/de not_active IP Right Cessation
  • 2003-12-08 WO PCT/IB2003/005804 patent/WO2004052741A1/de not_active Application Discontinuation
  • 2003-12-08 BR BR0316577-9A patent/BR0316577A/pt not_active IP Right Cessation
  • 2003-12-08 MX MXPA05006041A patent/MXPA05006041A/es unknown
  • 2003-12-08 NZ NZ540527A patent/NZ540527A/en unknown
  • 2003-12-08 DE DE50312914T patent/DE50312914D1/de not_active Expired - Lifetime
  • 2003-12-08 US US10/538,257 patent/US20060151526A1/en not_active Abandoned
  • 2003-12-08 EP EP03777053A patent/EP1583701B1/de not_active Expired - Lifetime
  • 2003-12-08 KR KR1020057010486A patent/KR20050084229A/ko not_active Application Discontinuation
• 2005
  • 2005-06-02 ZA ZA200504536A patent/ZA200504536B/en unknown
  • 2005-07-11 NO NO20053366A patent/NO20053366L/no not_active Application Discontinuation

Patent Citations (4)

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