WO2018073183A1 - Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region - Google Patents
Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region Download PDFInfo
- Publication number
- WO2018073183A1 WO2018073183A1 PCT/EP2017/076369 EP2017076369W WO2018073183A1 WO 2018073183 A1 WO2018073183 A1 WO 2018073183A1 EP 2017076369 W EP2017076369 W EP 2017076369W WO 2018073183 A1 WO2018073183 A1 WO 2018073183A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ply
- layer
- wall region
- container
- sheetlike composite
- Prior art date
Links
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Classifications
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- 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
- B32B1/00—Layered products having a non-planar shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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- B31B50/25—Surface scoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
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- B31B50/26—Folding sheets, blanks or webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
- B31B50/644—Making seals parallel to the direction of movement, i.e. longitudinal sealing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
- B31F1/0045—Bending or folding combined with joining
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Definitions
- the container precursor is configured accord- ing to any of the embodiments 1 to 9, wherein in the second wall region: the layer thickness of the carrier layer in the third ply is 1.1 to 20 times, preferably 1.1 to 15 times, more preferably 1.1 to 10 times, more preferably 1.1 to 5 times, more preferably 1.1 to 3 times, more preferably 1.1 to 2 times, more preferably 1.2 to 1.9 times, still more preferably 1.2 to 1.8 times, most preferably 1.3 to 1.7 times, the layer thickness of the carrier layer in the first ply, or in the sec- ond ply, or in both.
- the layer thickness of the carrier layer in the third ply is 1.1 to 20 times, preferably 1.1 to 15 times, more preferably 1.1 to 10 times, more preferably 1.1 to 5 times, more preferably 1.1 to 3 times, more preferably 1.1 to 2 times, more preferably 1.2 to 1.9 times, still more preferably 1.2 to 1.8 times, most preferably 1.3 to 1.7 times, the layer thickness of the carrier layer
- b. comprises a first wall region and a second wall region
- Pigments that are notable in connection with the invention are especially the pigments mentioned in DIN 55943 :2001-10 and those mentioned in "Indus- trial Organic Pigments, Third Edition” (Willy Herbst, Klaus Hunger Copyright ⁇ 2004 WILEY- VCH Verlag GmbH & Co. KGaA, Weinheim ISBN: 3-527-30576-9).
- other pigments may be considered as well.
- a preferred form of pressure bonding two layers is to press together a first surface of a first of the two layers onto a second layer facing the first layer of the second of the two layers over at least 20 %, preferably at least 30 %, more preferably at least 40 %, more preferably at least 50 %, more preferably at least 60 %, more preferably at least 70 %, still more preferably at least 80 %, still more preferably at least 90 %, most preferably at least 95 %, of the first surface.
- Sealing preferably comprises the process steps of heating, laying one on top of the other, and pressing, wherein the process steps preferably follow each other in this sequence. Another sequence is also conceivable, in particular the sequence of laying the layers one on top of the other, heating, and pressing.
- a preferred cover layer is a "coating".
- a “coating” is a cover layer which comprises inorganic solid particles, preferably pigments and additives.
- the "coating” is preferably applied as a liquid phase, preferably as a suspension or a dispersion, to a surface of a layer containing paper, paperboard or cardboard.
- a preferred dispersion is an aqueous dispersion.
- a preferred suspension is an aqueous suspension.
- a further preferred liquid phase comprises inorganic solid particles, preferably pigments, a binder, and an additive.
- a preferred pigment is one selected from the group consisting of calcium carbonate, kaolin, talc, silicate, a plastic pigment, and titanium oxide.
- Suitable polymers are preferably those whose weight-average molar mass, determined by gel permeation chromatography (GPC) using light scattering, is in the range from 3 ⁇ 10 3 to 1 ⁇ 10 7 g/mol, preferably in the range from 5 ⁇ 10 3 to 1 ⁇ 10 6 g/mol and particularly preferably in the range from 6 10 3 to 1 ⁇ 10 5 g/mol.
- Suitable polymers that in particular can be used are polyamide (PA) or polyethylene vinyl alcohol (EVOH) or a mixture thereof.
- PA polyamide
- EVOH polyethylene vinyl alcohol
- the metal layer or the metal oxide layer can take the form of a layer composite made of one or more plastics layers with a metal layer.
- This type of layer can be obtained by way of example via vapour deposition of a metal onto a plastics layer, for example an oriented polypropylene film.
- a preferred process for this is physical gas- phase deposition.
- the fold surfaces are folded to the extent that they come to lie on top of each other at the end of the fold. This is particularly advantageous, if the overlaying folds are then bonded together to form the base of the container or the head of the container, which is often structured in the form of a gable or flat.
- the gable arrangement reference is made to WO 90/09926 A2 by way of example.
- Table 1 layer sequence used in the examples and comparative examples according to the invention
- Figure 3 is a diagrammatic cross section through a longitudinal seam of a container precursor of the invention.
- Figures 5 a) to f) are an illustration of producing a longitudinal seam of a container precursor of the invention.
- Figure 4 shows a diagrammatic cross section through a longitudinal seam 206 of another container precursor 200 of the invention.
- the longitudinal seam 206 here is designed as the longitudinal seam 206 of figure 2.
- the wall comprises a third wall region 401, having a third width 402 along the circumference 205 of the container precursor 200 of 5 mm.
- the third wall region 401 partly comprises as a layer sequence from the interior 201 outwards the first ply 301 and the third ply 303, in each case of the sheetlike composite; wherein in the third wall region 303 the first ply 301 is heat-sealed via the outer polymer layer 103 in the first ply and the inner polymer layer 109 in the third ply 303.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/342,782 US11008144B2 (en) | 2016-10-17 | 2017-10-16 | Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region |
JP2019520544A JP2019531987A (en) | 2016-10-17 | 2017-10-16 | In particular, a container precursor for the manufacture of a dimensionally stable food container having a sheet-like composite and first and second wall regions |
MX2019004172A MX2019004172A (en) | 2016-10-17 | 2017-10-16 | Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region. |
BR112019007766-9A BR112019007766B1 (en) | 2016-10-17 | 2017-10-16 | PRECURSOR OF THE CONTAINER AND CLOSED CONTAINER |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16194221.4 | 2016-10-17 | ||
EP16194221.4A EP3309085A1 (en) | 2016-10-17 | 2016-10-17 | Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region |
CN201621226980.8 | 2016-11-15 | ||
CN201611022498.7A CN107954054B (en) | 2016-10-17 | 2016-11-15 | Container precursor, in particular for producing dimensionally stable food containers |
CN201611022498.7 | 2016-11-15 | ||
CN201621226980.8U CN207346297U (en) | 2016-10-17 | 2016-11-15 | Container precursor and sealing container |
Publications (1)
Publication Number | Publication Date |
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WO2018073183A1 true WO2018073183A1 (en) | 2018-04-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2017/076369 WO2018073183A1 (en) | 2016-10-17 | 2017-10-16 | Container precursor, in particular for producing a dimensionally stable foodstuff container, having a sheetlike composite, a first and a second wall region |
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WO (1) | WO2018073183A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190291386A1 (en) * | 2016-11-10 | 2019-09-26 | Sig Technology Ag | Method of printing a laminate for production of dimensionally stable food and drink product containers with application of a primer having an excess of isocyanate groups |
DE102018117071A1 (en) * | 2018-07-13 | 2020-01-16 | Mitsubishi Hitec Paper Europe Gmbh | Heat sealable barrier paper |
WO2020151950A1 (en) * | 2019-01-21 | 2020-07-30 | Sig Technology Ag | Method including generating a layer sequence from three compositions of at least partly different ph, especially for producing a carrier layer |
EP4385720A1 (en) * | 2022-12-15 | 2024-06-19 | SIG Services AG | Container precursor of a dimensionally stable food or drink product container with a barrier layer with fibres and a ratio of tensile strengths |
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WO1990009926A2 (en) | 1989-03-03 | 1990-09-07 | Fbi Brands Ltd. | Packaging perishable liquids in gable top cartons |
DE10252553A1 (en) * | 2002-11-08 | 2004-06-03 | Sig Combibloc Systems Gmbh | Compound material coated with a plastic, in particular, for hot-sealable packaging units comprises a printing layer which is located next to the transparent outer sealing layer |
WO2016001081A1 (en) * | 2014-06-30 | 2016-01-07 | Sig Technology Ag | Sheet-like composite with an m-polyolefin layer with a reduced antioxidant proportion, in particular for food packaging |
WO2016066593A1 (en) * | 2014-10-31 | 2016-05-06 | Sig Technology Ag | Container precursor, in particular for the manufacture of a food container, from a laminate with a plastic gas and aroma barrier and a peeled edge region, which is partially folded back on itself |
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2017
- 2017-10-16 WO PCT/EP2017/076369 patent/WO2018073183A1/en active Application Filing
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US20190291386A1 (en) * | 2016-11-10 | 2019-09-26 | Sig Technology Ag | Method of printing a laminate for production of dimensionally stable food and drink product containers with application of a primer having an excess of isocyanate groups |
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EP4385720A1 (en) * | 2022-12-15 | 2024-06-19 | SIG Services AG | Container precursor of a dimensionally stable food or drink product container with a barrier layer with fibres and a ratio of tensile strengths |
WO2024126725A1 (en) * | 2022-12-15 | 2024-06-20 | Sig Services Ag | Container precursor of a dimensionally stable food or drink product container with a barrier layer with fibres and a ratio of tensile strengths |
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