EP3642037A1 - PLATINE MIT PRÄGUNG ZUM VERSCHLIEßEN VON BEHÄLTERN DURCH VERSIEGELN - Google Patents
PLATINE MIT PRÄGUNG ZUM VERSCHLIEßEN VON BEHÄLTERN DURCH VERSIEGELNInfo
- Publication number
- EP3642037A1 EP3642037A1 EP17734669.9A EP17734669A EP3642037A1 EP 3642037 A1 EP3642037 A1 EP 3642037A1 EP 17734669 A EP17734669 A EP 17734669A EP 3642037 A1 EP3642037 A1 EP 3642037A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- embossing
- recesses
- board
- sealing
- foil
- 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- Withdrawn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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/06—Embossing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2435/00—Closures, end caps, stoppers
- B32B2435/02—Closures, end caps, stoppers for containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Definitions
- the invention relates to an embossed board for sealing containers by sealing with an aluminum foil and at least one sealing layer applied to the side later facing the material: according to the preamble of claim 1. Further layers such as a layer of adhesive (primer) between the Aluminum and the sealing layer, multilayer seal layers and a variety of other designs, even on the later outer side, for example with a layer Druckvorlack, a print layer and Druck concernsscMcht are easily provided depending on the application.
- Such boards are produced by coextrusion or lamination, also the application by painting individual layers on the aluminum or the production of corresponding intermediates of the final product is possible.
- the boards are punched out, stacked and transported to the Befuller.
- the uppermost board of the stack is lifted off of it by an apparatus provided with a suction device, placed on the already filled container, and then sealed with the container by applying pressure and heat. It is important that between the individual boards does not come to the so-called blocking, which is inevitable due to the close together and the external air pressure on smooth boards.
- Such stochastic embossments which are called “asymmetric imprints” in the industry, are inexpensive to manufacture and fulfill their purpose, but have a negative effect on the visual appearance of the printed image on the outside, and there is thus a need for embossing a more visually appealing appearance of the printed image on the outside allowed without compromising the merits of the known imprints.
- the area of the approximately elliptical markings is at least 20%, preferably at least 35% and more preferably at least 50% of the total area (always viewed and measured in projection on the middle film plane )
- the quantities and their ratios are easily determined by averaging and subsequently used.
- FIG. 10 shows a scan of the inside of a board according to the invention with the embossing of FIG. 2
- Fig. 1 shows a variant with recesses 1, the shape of which is very similar to an ellipse.
- the transition from the recesses 1 to the plane is relatively sharp, the length ratio of the radius is quite precisely 2: 1, just over half of the total area (more precisely: in all cases: the projection of the area on the drawing plane) of the film is of the Wells taken.
- Figure 2 shows a similar film in which the depressions 1 in the middle longitudinal region bulges 2 (again, the reference numerals at the bottom Edge as close as possible to the bulges) and the recesses make up an even higher proportion of the film surface than in the example of Fig. 1.
- the ratio of the axial lengths, taking into account the bulges, is 7: 4, thus 1.75: 1. Without bulges it lies at 7: 3, corresponding to 2.3: 1.
- FIGS. 3 and 4 show the films of FIGS. 2 and 1 on a smaller scale, the differences across the surface are clearly visible in both cases and are due to the manual production of the embossing rollers. This manual manufacturing is probably in addition to the formation of the wells according to the invention also with a reason for preventing the blocking.
- Fig. 6 shows a geometry in which the recesses compared to those of FIG.
- the wells 1 pass much sharper in the plane and make up a much higher proportion of the total area, on some parts there are almost to touch between the wells.
- the "period" is 1.21 mm
- the transverse distance is about 206 ⁇ .
- the shape of the wells 1 is an ellipse approximated as much as the manual manufacturing process of the rollers, it Both rolls are complementarily dressed and strictly angularly rotated, which is known in the art, and the embossing process per se allowed.
- the depressions 1 have a longitudinal dimension of 696 ⁇ m and at the widest point of 290 ⁇ m, the ratio is thus about 2.4.
- the shape of the recesses 1 is in its expression in the core longitudinally rectangular with rounded ends, being brought by the impressions in the central region in which the measure is entered, the outer shape into the longitudinal convex.
- the recesses 1 are arranged one behind the other in the longitudinal direction, quasi in alignment, in rows, whereby adjacent rows are offset by approximately half the period length. This is not necessary, even when offset by 1/3 period length results in an optically satisfactory image with sufficient protection against blocking; However, it is then the distance between the rows greater than in Fig. 1 can be seen to prevent the interlacing of the recesses 1.
- Fig. 7 shows a similar film as Fig. 8 in the same magnification, in which the recesses 1 have a dimension of 670 ⁇ to 282 ⁇ , corresponding to a ratio of 2.38: 1. It can be seen from Fig.
- the area ratio of the depressions 1 is more than 50%.
- Fig. 9 shows a geometry similar to that of Fig. 1, the lengths of the wells vary between 650 and 654 ⁇ , the widths between 334 and 365 ⁇ , a document for the bulges 2 despite the (compared to the geometry corresponding to FIG ) sharp transition.
- the longitudinal distance is 5 18 ⁇ .
- the transverse distance 240 ⁇ a document for a well over 50% lying surface portion of the wells.
- FIG. 10 shows the inside (provided with sealing material) of the embossing according to FIG. 2 as it presents itself to the eye as a scan. The pleasant appearance is easy to recognize.
- the strength of the usable aluminum foils or aluminum-plastic composite foils is not critical; the starches used in the prior art for sinkers can also be used in the embossing according to the invention. Usually, therefore, the thickness of the composite film before embossing, which is between the
- Recesses practically unchanged even after embossing 30 ⁇ to 100 ⁇ . preferably between 50 ⁇ and 70 ⁇ .
- the chosen thickness depends not only on the intended use of the finished board but also on its structure, as is familiar to the person skilled in the art. Whether so-called “soft” or “hard” aluminum or which of the conventional alloys, which in the packaging industry in general as “Aluminum” used, also depends on the application.
- the depth of the recesses is between 0.1 times, preferably 0.5 times and 2.0 times, in special cases also above, the thickness of the considered composite foil (board) before embossing.
- the sealing materials used may be any known material, PP as well as others, which may be applied by coextrusion, lamination but also by printing or painting.
- the embossing optionally after smoothing the outline, longitudinally convex, preferably approximately elliptical depressions always the same size and shape, arranged in an ordered pattern having; if appropriate, consists of several flocks of such, then mutually different, depressions.
- smaller and larger depressions may be arranged in the manner of a checkerboard pattern, but also to provide more than two different configurations is possible. It has already been mentioned that usually the embossing fully covers the composite film without this being necessary.
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2017/065055 WO2018233811A1 (de) | 2017-06-20 | 2017-06-20 | PLATINE MIT PRÄGUNG ZUM VERSCHLIEßEN VON BEHÄLTERN DURCH VERSIEGELN |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3642037A1 true EP3642037A1 (de) | 2020-04-29 |
Family
ID=59269996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17734669.9A Withdrawn EP3642037A1 (de) | 2017-06-20 | 2017-06-20 | PLATINE MIT PRÄGUNG ZUM VERSCHLIEßEN VON BEHÄLTERN DURCH VERSIEGELN |
Country Status (4)
Country | Link |
---|---|
US (1) | US20200215794A1 (de) |
EP (1) | EP3642037A1 (de) |
AU (1) | AU2017420415A1 (de) |
WO (1) | WO2018233811A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4140724A1 (de) * | 2021-08-27 | 2023-03-01 | Constantia Teich GmbH | Geprägte platine für einen behälter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008017692U1 (de) * | 2008-06-24 | 2010-06-24 | Bilcare Ltd. | Mehrlagige Folie |
EP3000591A1 (de) * | 2014-09-23 | 2016-03-30 | Amcor Flexibles Singen GmbH | Deckelfolie für Lebensmittelverpackungen |
-
2017
- 2017-06-20 EP EP17734669.9A patent/EP3642037A1/de not_active Withdrawn
- 2017-06-20 AU AU2017420415A patent/AU2017420415A1/en not_active Abandoned
- 2017-06-20 US US16/623,739 patent/US20200215794A1/en not_active Abandoned
- 2017-06-20 WO PCT/EP2017/065055 patent/WO2018233811A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
US20200215794A1 (en) | 2020-07-09 |
WO2018233811A1 (de) | 2018-12-27 |
AU2017420415A1 (en) | 2019-11-28 |
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