SIG Services AG

The invention pertains to a sheet-like composite, comprising: a. a carrier layer, b. a barrier layer, c. an inner polymer layer F, and d. an inner polymer layer H; wherein the barrier layer comprises a barrier material layer, and a barrier substrate layer comprising a polyolefin; characterised in that the inner polymer layer F comprises at least 40 wt.-% of a mPE, based in each case on the total weight of the inner polymer layer F. The invention further pertains to methods for producing a sheet-like composite, a container precursor, and a closed container, to a container precursor, a closed container, and uses of the sheet-like composite, of a mPE, of a LDPE and of a combination of a mPE and a LDPE.

The invention pertains to a sheet-like composite, comprising: a. a carrier layer, b. a barrier layer, c. an inner polymer layer F, and d. an inner polymer layer H; wherein the barrier layer comprises a barrier material layer, and a barrier substrate layer comprising a polyolefin; characterised in that the inner polymer layer F comprises a first polymer blend comprising: more than 50 wt.-% and up to 90 wt.-% of an LDPE, and at least 10 wt.-% and less than 50 wt.-% of a polypropylene. The invention further pertains to methods for producing a sheet-like composite, a container precursor, and a closed container, to a container precursor, a closed container, and uses of the sheet-like composite and of a combination of polymers.

The invention pertains to a sheet-like composite, comprising a layer sequence which comprises the following layers, superimposed to one another, in the following order from an outer surface of the sheet-like composite to an inner surface of the sheet-like composite: a. a carrier layer, b. a barrier layer, and c. an inner polymer layer H; wherein the carrier layer has a through-hole which is covered by the barrier layer as a first hole-covering layer; wherein the barrier layer comprises a sublayer sequence which comprises a barrier material layer, and a barrier substrate layer as sublayers which are superimposed to one another; wherein a partial sheet-like composite consists of only the layers of the sheet-like composite from the barrier layer to the inner surface; wherein a modulus of elasticity of the partial sheet-like composite is at least in one direction in a composite plane of the partial sheet-like composite less than 1500 MPa. The invention further pertains to a method for producing a sheet-like composite, to methods of producing a container precursor and a closed container, respectively, to a container precursor, to a closed container, to a use of the sheet-like composite, and to a use of a barrier layer.

A sealing station configured to heat seal a wall made from heat-sealable film material, preferably metal-free heat-sealable film material, onto one another wall of heat-sealable material, e.g. another wall of heat-sealable film material, to create a sealed seam. The sealing station comprises an impulse sealing device comprising a first jaw and a second jaw, wherein at least the first jaw comprises at the respective front surface thereof at least one, e.g. a single elongated, impulse heatable member that extends along the respective front surface and that is covered by a heat-resistant non-stick covering.

A resealable dispensing element for a composite package is shown and described including a main body with a flange and a hollow cylindrical spout with at least one outer thread, an opening means guided movably in the spout for opening the composite package and a resealable screw cap, having an anchor ring. The screw cap serves to drive the opening means when the composite package is opened for the first time and wherein the screw cap and the anchor ring are connected by a plurality of breakable material bridges or at least by a material anchorage for connection to the main body. The main body on the spout has at least one circumferential web for securely holding the anchor ring and wherein the anchor ring has on its inside a circumferential retaining web shaped such that it corresponds with the circumferential web, as well as a method for mounting the screw cap for such a dispensing element. In order to reliably rule out tilting of the anchor ring during the mounting process of the dispensing element, it is provided that the main body has a plurality of vertical guide ribs arranged distributed over the circumference on the spout between the outer thread and the circumferential web for uniformly stretching the anchor ring when the screw cap is applied during the mounting of the dispensing element.

Described and depicted is an application apparatus for applying additional elements, in particular straws, to packages, preferably cardboard composite packages. So that the application can also be carried out reliably at high speeds and with moderate equipment complexity, it is provided that at least two applicators are provided which are adjustable along a common, circumferential transport track from a pick-up position for picking up the additional elements to an application position for applying the additional elements to the packages and back and which comprise respectively at least one application finger for pressing the additional elements onto the packages.

The present invention relates to a liquid-tight container comprising a container wall which surrounds a container interior at least in part, wherein: a jacket element and a first end element are connected to one another and each form a portion of the container wall; wherein the jacket element delimits the container interior in a transverse direction extending from the inside to the outside in relation to the container interior, and comprises a rim portion having a first edge; wherein the first end element delimits the container interior at a first end of the liquid-tight container in a longitudinal direction extending along the length of the container, and comprises a further edge which points in the longitudinal direction; wherein the rim portion a. is located at the first end of the container, and b. encloses the further edge counter to the transverse direction from the outside to the inside in such a way that i. the first edge of the jacket element points counter to the longitudinal direction, and ii. the liquid-tight container comprises, at the first end in the transverse direction, a ply sequence comprising A. a first ply of the jacket element, B. a ply of the first end element, and C. a further ply of the jacket element; wherein the rim portion comprises, at least on a side pointing inwards counter to the transverse direction, a plurality of portions of a first type and a plurality of portions of a further type, which portions differ from one another in their thickness in the transverse direction. The invention also relates to a precursor for producing the liquid-tight container, to a method for producing a liquid-tight container, to the use of a liquid-tight container, and to the use of an ultrasonic generator and/or an ultrasonic sonotrode.

The invention relates to a planar composite comprising a. a carrier layer, b. a barrier layer, and c. an inner polymer layer; wherein the planar composite includes at least a first plurality of grooves arranged and configured such that at least a part of a container wall of a closed container is obtainable by folding along the grooves and joining portions; wherein the closed container includes a standing base and a head portion; wherein the head portion includes at least 3 head side surfaces inclined to each other in a longitudinal direction such that the closed container tapers at least in sections in the head portion; wherein a perimeter of each of the head side surfaces is respectively formed by a plurality of side edges; wherein each of the plurality of side edges includes a pair of steep edges; wherein each pair of steep edges is formed along a pair of grooves; wherein the grooves of each of the pairs of grooves are at an angle in the range from 40 to 60° to one other. The invention further relates to processes of manufacture and corresponding process products; a container precursor and a closed container, each comprising the planar composite or a blank thereof; a further closed container; and a use of the planar composite or the container precursor.

The invention relates to a container comprising a container wall at least partially enclosing a container interior, and a first joining element; wherein a jacket element and a first end element each form a region of the container wall; wherein at least one first plane running parallel to the length of the container through the container interior comprises a first joining layer sequence, over the entire lateral extent of which, with respect to the first joining layer sequence, the jacket element, the first joining element and the first end element directly follow one another as layers; wherein the first joining element has a first surface contacting the first end element and a second surface contacting the jacket element; wherein an imaginary first straight line connects both end points of a first line formed in the at least one first plane by the first surface and lying within the first joining layer sequence; wherein an imaginary second straight line connects both end points of a second line formed in the at least one first plane by the second surface and lying within the first joining layer sequence; wherein the first straight line forms a first acute angle with the second straight line. The invention further relates to methods and a device for the production of the container and to uses of the container, of a sheet-like composite and of joining tools.

The invention pertains to a container element, comprising a non-planar component, wherein the container element is designed to form a first part of a container wall at least partially surrounding a container interior of a container; wherein the non-planar component comprises a base member, and a spout arranged on the base member; wherein the base member comprises a base plate, and at least 3 sidewalls; wherein the spout is arranged on a first side of the base plate; wherein the side walls are arranged on a further side of the base plate; wherein the side walls are inclined towards each other in a longitudinal direction of the non-planar component so that each of the side walls is inclined at an angle in a range of from 55 to 70° to the longitudinal direction. The invention further pertains to a process of manufacturing the container element; to a container; a process, in which a container is obtained; and a use of the container element.