EP0806364A1 - Méthode pour appliquer des étiquettes périphériques sur des récipients - Google Patents
Méthode pour appliquer des étiquettes périphériques sur des récipients Download PDFInfo
- Publication number
- EP0806364A1 EP0806364A1 EP97106873A EP97106873A EP0806364A1 EP 0806364 A1 EP0806364 A1 EP 0806364A1 EP 97106873 A EP97106873 A EP 97106873A EP 97106873 A EP97106873 A EP 97106873A EP 0806364 A1 EP0806364 A1 EP 0806364A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- label
- label section
- adhesive
- stretching
- container
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000853 adhesive Substances 0.000 claims abstract description 17
- 230000001070 adhesive effect Effects 0.000 claims abstract description 17
- 238000002372 labelling Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 239000004831 Hot glue Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 239000012968 metallocene catalyst Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 235000015122 lemonade Nutrition 0.000 description 1
- 239000005026 oriented polypropylene Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/0015—Preparing the labels or articles, e.g. smoothing, removing air bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C3/00—Labelling other than flat surfaces
- B65C3/06—Affixing labels to short rigid containers
- B65C3/08—Affixing labels to short rigid containers to container bodies
Definitions
- a label section corresponding to a print repeat is cut to length, this label section is wrapped around the container and glued to the overlap of the label section edges with a hot melt, the outer side being preferably glued to the inner side.
- films made of oriented polypropylene (OPP) are used, sometimes also films made of polyethylene.
- the new process also achieves the setting time required for the hotmelt or other adhesive, in that there is only a small amount of tension on the bond point at the edges of the label section due to the retarded retraction of the undulation or stretch, which is smaller than that for tearing off the Bonding force required.
- the material can be adjusted so that a residual elasticity remains, which tightens the label around the outside of the labeled container enough to compensate for a slight shrinkage of the container by relieving the internal pressure.
- Films which are suitable for a process of the aforementioned type are known to the person skilled in the art. Particularly suitable here are label sections which consist of a thermoplastic styrene-butadiene sequence polymer which has a retarding regression, with a sufficient residual tension remaining. Label sections can also be produced from a film material which consists of polyolefins which have been obtained with the aid of catalytic polymerization processes with the aid of metallocene catalysts.
- wave embossing machines or devices known per se are suitable which produce an "undulating" by stretching in various configurations, for example also in a chevron undulation or by stretching in certain closed areas.
- an elongation in a change in length of 105 to 150% of the original length is provided, preferably the duration of the retarded regression the original length should be between 90 msec and several minutes, whereby after the retarded regression there is sufficient tension on the label to prevent it falling off the outside of the container - even if the container shrinks when emptying.
- the plastic film web consists of a two-layer, co-extruded film layer. This consists of a layer of a semi-elastic film based on an acrylic acid copolymer with a thickness of 100 ⁇ m, which is coated on one side with a layer of polypropylene with a thickness of 20 ⁇ m, which gives the film overall transparency and rigidity.
- the label sections 3 are sent through a pair of gear rollers 4 at room temperature; as they pass through, they receive an undulation 5 and elongation which runs transversely to the label longitudinal extent and changes in length to 125% of the original length, ie a change in length of 25%.
- the label sections 3 heat up to about 60 ° C.
- the still warm labels are provided with a hot melt adhesive coating in the overlap area.
- the undulated label sections 3 ' are then placed around the outside of the bottle within the filling cycle of 0.1 sec (FIG. 2a), the label sections 3' being initially still largely stretched, but a decreasing stretch can already be observed.
- the hot-melt layer is melted at a temperature of 120 ° C. on the overlapping label section edges 7 by a stamp 6.
- the retarded retraction of the undulation and stretching continues, whereby only very low tensions act on the bond point; however, the tensions are sufficient to hold the label around the outside of the bottle (Fig.2b).
- the process of setting and cooling the bond takes less time than the retarded regression of the undulation (0.2 versus 1.0 sec). During this time, the PET bottles 1 are stopped in a transport waiting station. The dimensions of the label and the adhesive areas are dimensioned so that a residual tension remains in the label.
- FIG. 4 shows a label section 3 ′′ which is provided with a so-called “chevron undulation” over the entire surface.
- the dimensions of the label section and the parameters of the process (setting and cooling) are accordingly chosen so that a required residual tension remains in the label.
- the process allows the adhesive to set without tension, with the retarding elongation causing the label to be so tight that it is tightly attached to the container and does not fall off even with an empty bottle due to the residual shrinkage force despite the smaller bottle size.
Landscapes
- Labeling Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19618297 | 1996-05-07 | ||
| DE1996118297 DE19618297C2 (de) | 1996-03-27 | 1996-05-07 | Verbessertes Verfahren zum Wrap-around-Etikettieren von Behältern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0806364A1 true EP0806364A1 (fr) | 1997-11-12 |
Family
ID=7793586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97106873A Withdrawn EP0806364A1 (fr) | 1996-05-07 | 1997-04-25 | Méthode pour appliquer des étiquettes périphériques sur des récipients |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP0806364A1 (fr) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235433A (en) * | 1962-05-15 | 1966-02-15 | Reynolds Metals Co | Method and apparatus for applying labels to containers |
| EP0208261A2 (fr) * | 1985-07-12 | 1987-01-14 | CERAMI COLOR Gesellschaft für Hartfaserbeschichtung m.b.H. | Procédé et dispositif pour recouvrir des articles plats |
| WO1991013753A1 (fr) * | 1990-03-07 | 1991-09-19 | Cms Gilbreth Packaging Systems, Inc. | Procedes et adhesifs de collage de film de polyolefine |
| WO1996040559A2 (fr) * | 1995-06-07 | 1996-12-19 | B & H Manufacturing Co., Inc. | Machine d'etiquetage geree par ordinateur |
| WO1997001484A1 (fr) * | 1995-06-28 | 1997-01-16 | B & H Manufacturing Company, Inc. | Application d'etiquettes elastiques |
| WO1997015500A1 (fr) * | 1995-10-23 | 1997-05-01 | B & H Manufacturing Co., Inc. | Application d'etiquettes etirees sur des conteneurs cylindriques |
-
1997
- 1997-04-25 EP EP97106873A patent/EP0806364A1/fr not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3235433A (en) * | 1962-05-15 | 1966-02-15 | Reynolds Metals Co | Method and apparatus for applying labels to containers |
| EP0208261A2 (fr) * | 1985-07-12 | 1987-01-14 | CERAMI COLOR Gesellschaft für Hartfaserbeschichtung m.b.H. | Procédé et dispositif pour recouvrir des articles plats |
| WO1991013753A1 (fr) * | 1990-03-07 | 1991-09-19 | Cms Gilbreth Packaging Systems, Inc. | Procedes et adhesifs de collage de film de polyolefine |
| WO1996040559A2 (fr) * | 1995-06-07 | 1996-12-19 | B & H Manufacturing Co., Inc. | Machine d'etiquetage geree par ordinateur |
| WO1997001484A1 (fr) * | 1995-06-28 | 1997-01-16 | B & H Manufacturing Company, Inc. | Application d'etiquettes elastiques |
| WO1997015500A1 (fr) * | 1995-10-23 | 1997-05-01 | B & H Manufacturing Co., Inc. | Application d'etiquettes etirees sur des conteneurs cylindriques |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB IE IT LI NL SE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19980513 |