Tetra Laval Holdings & Finance S.a.

Tetra Laval Holding & Finance S.a.

Nils Toft

Peter Öhman

Ulf Nyman

Alain Collaud

Ion Postoaca

Lars Bergholtz

Mikael Berlin

Pierre Fayet

Peter Frisk

Hans Johansson

Katarina Jonasson

Mats Aldén

Rolf Lasson

Magnus Råbe

Mats Bentmar

Thorbjorn Andersson

Bertrand Jaccoud

Cristian Neagu

Åke Persson

Gil Rochat

Stuart Schwartz

Eva Ehrenberg

Tsuyoshi Baba

Per Johansson

Magnus Wijk

Fredrik Persson

Joakim Balogh

Francesco Staffetti

Guangju Zuo

Andrew Horvath

Walker Camacho

André Chiquet

Alain Bonnébault

Hans O Johansson

The present invention relates to a method for manufacturing of a laminated cellulose-based liquid or semi-liquid food packaging material, wherein the laminated packaging material has a bulk material layer of paper, paperboard or other cellulose-based material, an innermost, heat sealable and liquid-tight layer of a thermoplastic polymer, the innermost polymer layer intended to be in direct contact with the packaged food product, a barrier layer laminated between the bulk layer and the innermost layer. The invention further relates the laminated packaging materials obtained by the method and to a packaging container for liquid food packaging, comprising the laminated packaging material or being made from the laminated packaging material obtained by the method.

Laminated packaging material, packaging containers manufactured therefrom

A non-foil packaging laminate for liquid food packaging comprises a layer of paper or other cellulose-based material, outermost liquid tight, heat sealable layers of polyolefin-based polymers and, vapour-deposition coated onto the inner side of the layer of paper or cellulose-based material, an induction heat susceptible metal coating. Also disclosed is a method for manufacturing of the packaging laminate, a packaging container that is made from the packaging laminate and a method of induction heat sealing the packaging laminate into packaging containers.

Non-foil packaging laminate, method for manufacturing of the packaging laminate and packaging container produced thereof

The present invention relates to a method for manufacturing of a laminated cellulose-based liquid or semi-liquid food packaging material, wherein the laminated packaging material has a bulk material layer comprising a low-density cellulose spacer layer, an outside module comprising a substrate layer having a print surface and an inside material module comprising a barrier layer or barrier coating. The invention further relates the laminated packaging materials obtained by the method and to a packaging container for liquid food packaging, comprising the laminated packaging material or being made from the laminated packaging material obtained by the method.

Method of manufacturing a laminated packaging material, the packaging material obtained by the method and packaging containers manufactured therefrom

The present invention relates to a laminated liquid food packaging material, comprising a bulk layer of paper or carton or other cellulose-based material and outer layers of thermoplastic polymers on both sides, having a decorative print pattern arranged beneath one of the outer thermoplastic polymer layers. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

Laminated packaging material, packaging containers manufactured therefrom and a method for manufacturing the laminate material

The present invention relates to a laminated cellulose-based liquid or semi-liquid food packaging material, comprising a bulk layer from cellulose fluting material, an outside substrate layer having a print surface and on the inside an aluminium foil barrier and a further barrier layer. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

The present invention relates to a laminated liquid food packaging material, comprising a cellulose-based bulk material layer and outer layers of thermoplastic polymers on both sides, having a d&#xe9;corative print pattern arranged beneath one of the outer thermoplastic polymer layers. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

The present invention relates to a laminated cellulose-based liquid or semi-liquid food packaging material, comprising a brown or dark bulk layer from non-bleached, cellulose-based material, an outside substrate layer having a white print surface to hide the dark colour of the bulk layer, and on the inside an oxygen barrier layer and an innermost heat sealable layer. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.

Described herein are laminated packaging materials comprising foamed cellulose, their use in manufacturing packaging containers, for use in packaging of food products.

Packaging material and packaging container

A packaging laminate comprising a core layer of paper or carton with through-going holes, openings or slits, a first layer of heat sealable thermoplastic material applied on the outermost side of the packaging laminate, a second layer of heat sealable thermoplastic material applied on the other, innermost side of the packaging laminate, one or more barrier layers applied between the core layer and the innermost thermoplastic layer, the thermoplastic material and barrier layers all being laminated to each other within the regions of said holes to form a membrane of barrier and thermoplastic material layers. A method for manufacturing of the packaging laminate and a packaging container that is made from the packaging laminate.

Robust packaging laminate, method for manufacturing of the packaging laminate and packaging container produced therefrom

Press roll for a laminating machine for producing a packaging material which comprises a carcass layer consisting of paper or carton, and which carcass layer exhibits crease lines, through holes, openings or slits, which carcass layer exhibits, on one of its sides, a barrier layer, a plastic lining which is arranged outside the barrier layer, and film of laminant thermoplast which is arranged between the carcass layer and the barrier layer, with the press roll exhibiting a circular-cylindrical jacket surface having a facing consisting of an elastic material. According to the invention, the facing comprises sections in the jacket surface, which sections exhibit local deformation ability in relation to the surrounding facing. The invention also relates to a method for producing packaging material and to packaging material which has been produced using this method.

Method and device for producing a packaging material

A non-foil packaging laminate for liquid food packaging comprises a core layer of paper or paperboard, outermost liquid tight, heat sealable layers of polyolefin and, applied onto the inner side of the layer of paper or paperboard, an oxygen gas barrier layer formed by liquid film coating of a liquid gas barrier composition and subsequent drying, the liquid composition containing a polymer binder dispersed or dissolved in a liquid medium. The laminate further comprises a layer of a polyolefin-based matrix polymer with inorganic filler particles distributed therein and inorganic particles dispersed also in the gas barrier layer from the liquid gas barrier composition. Also disclosed is a method for manufacturing the packaging laminate and a packaging container made from the packaging laminate.

Packaging laminate, method for manufacturing of the packaging laminate and packaging container produced therefrom

Method for producing a packaging material

A packaging laminate comprising a core layer of paper or carton with a through-going hole, a layer of thermoplastics applied onto one outer side of the core layer, an aluminum foil applied onto the other, inner, side of the core layer and bonded to the core layer by means of an intermediate layer of thermoplastics, the two layers of thermoplastics being sealed to each other within the region of the hole to form a membrane of aluminum foil and thermoplastics, and a first adhesive part-layer applied onto the inner side of the aluminum foil, an intermediate part-layer comprising a material providing barrier properties towards migration of free fatty acids, applied adjacent to the first adhesive part-layer, and an innermost part-layer comprising in the majority a metallocene polyethylene. The packaging laminate has improved sealability properties and provides improved or maintained package integrity and openability to a packaging container manufactured from the laminate, for the purpose of aseptic, long-term storage of for example fruit juice, having an opening arrangement, which at opening removes the membrane of laminated layers of aluminum foil and thermoplastics from the region of the hole in the core layer. Preferably, the material providing barrier properties towards migration of free fatty acids is a cyclo-olefin copolymer and/or a filler.

Packaging laminate, method for its manufacturing and packaging container manufactured from the packaging laminate

A packaging laminate comprising a core layer of paper or carton with a through-going hole, a layer of thermoplastics applied onto one outer side of the core layer, an aluminium foil applied onto the other, inner, side of the core layer and bonded to the core layer by means of an intermediate layer of thermoplastics, the two layers of thermoplastics being sealed to each other within the region of the hole to form a membrane of aluminium foil and thermoplastics, and a first adhesive part-layer applied onto the inner side of the aluminium foil, a second intermediate part-layer of low density polyethylene applied adjacent to the first adhesive part-layer, and a third innermost part-layer comprising in the majority a metallocene polyethylene. The packaging laminate has improved sealability properties and provides improved or maintained package integrity and openability to a packaging container manufactured from the laminate, having an opening arrangement, which at opening removes the membrane of laminated layers of aluminium foil and thermoplastics from the region of the hole in the core layer.

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Lund, Sweden

Nils Toft