The invention relates to a packaging container (1) which has a side wall (20) and a hollow bottom (10). The hollow bottom (10) has an undercut (30) which forms a stacking support (32). The invention further relates to a thermoforming tool designed to create the packaging container (1) by forming a layer of thermoplastic material. The invention further relates to the use of the thermoforming tool to produce the packaging container (1).
The invention relates to a moulding tool (1000), in particular a thermoforming tool (1000), comprising a mould bottom (130) and a mould insert (140). The mould bottom (130) and the mould insert (140) define a mould cavity (160) designed to form a packaging container (1) with a hollow bottom (3). The moulding tool (1000) has at least one undercut element (134) for forming at least one undercut in the hollow bottom (3). The invention further relates to the use of the moulding tool (1000) and to a moulding machine, in particular a thermoforming machine, which comprises the moulding tool (1000). The invention further relates to a method for producing a packaging container (1) from a two-dimensional layer of material using the moulding tool (1000).
The invention relates to a method for monitoring a thermoforming process. The invention also relates to a thermoforming tool and a thermoforming machine which implement such a method. The method for monitoring a thermoforming process comprises detecting at least two measurement values at at least two mould cavities of the thermoforming tool, wherein at each of the at least two mould cavities at least one measurement value is detected which indicates a stretching force or stretching energy to be applied to the respective mould cavity during prestretching of the material layer. The method also comprises comparing the measurement values detected at the at least two mould cavities in order to obtain a comparison result, wherein the comparison result is an indicator of the homogeneity of the thermoforming process.
The invention relates to a mould (100) for shaping at least one three-dimensional article (2) in a two-dimensional layer (1) of biomaterial. The mould (100) comprises: a first mould half (120) having at least one mould insert (122) that has a cavity (124); a second mould half (140) having at least one mould die (142); and a heating device (160), which is designed to heat the mould insert (122) and/or the mould die (142) to a mould temperature. The mould (100) is designed to mould, in a closed state of the mould (100), by providing at least one shaping pressure and the mould temperature, at least one three-dimensional article (2) in the biomaterial layer (1). The at least one mould insert (120a) and/or the at least one mould die (142) are/is designed to remove moisture escaping from the material layer (1) during the moulding process from the closed mould (100). The invention also relates to a moulding machine for receiving the above-mentioned mould (100), and to a moulding method.
The invention relates to a forming tool (100), in particular a thermoforming tool, for produc-ing a container, the forming tool (100) comprising a mold insert (140) comprising a first mold insert part (142) and a second mold insert part (148) that together define a cavity (130) pro-vided for reshaping a two-dimensional web of material into a container, wherein the first mold insert part (142) comprises at least one protrusion (143) and is mounted horizontally movable in the forming tool (100); and an actuation mechanism (150) designed to move the first mold insert part (142) horizontally inward into a molding position, in which the at least one protrusion (143) extends into the cavity (130) to generate an undercut region in the cav-ity (130). Further, a method of producing a container from a two-dimensional web of mate-rial by using the above-mentioned forming tool is provided.
A mold tool includes: a first tool part and a second tool part that works together with the first tool part. In the closed state, the two tool parts are moved toward one another, and in the open state, the two tool parts are moved away from one another. The mold tool also includes a first mold half in the first tool part and a second mold half in the second tool part. The two mold halves reshape the sheet of material, arranged between the two tool parts, into at least one three-dimensional article when the two tool parts are moved toward one another. The mold tool also includes a cutting device including at least one cutting element and at least one actuating device. The actuating device extends the cutting element in the direction of the sheet of material, to cut the sheet of material.
A molding tool (1000), in particular a thermoforming tool, for producing a container (10) is provided. The molding tool comprises a mold bottom (200) and a mold insert (100) receiving the mold bottom (200), wherein the mold insert (100) is constructed of at least two mold insert parts (110, 120) that together with the mold bottom (200) define a cavity (300) provided for reshaping a two-dimensional web of material into a container, wherein a first mold insert part (110) is mounted stationary in the molding tool (1000) and a second mold insert part is axially movable in the molding tool (1000).
The invention relates to a technique for shaping a flat material sheet (10), in particular a natural fibre sheet, into at least one three-dimensional article (11). The die (100) used for this purpose comprises: a first mould part (120) and a second mould part (140) that interacts with the first mould part (120), wherein, when the die (100, 100a, 100b) is closed, the two mould parts (120, 140) are moved towards one another, and wherein, when the die (100, 100a, 100b) is open, the two mould parts (120, 140) are moved away from one another. The die (100, 100a, 100b) also comprises a first die half (130), situated in the first mould part (120), and a second die half (134), situated in the second mould part (140), wherein the two die halves (130, 134) are designed to shape the material sheet (10) situated between the two mould parts (120, 140) into at least one three-dimensional article (11) when the two mould parts (120, 140) are moved towards one another. The die (100, 100a, 100b) also comprises a cutting device (180), which comprises at least one cutting element (182) and at least one actuating device (184) coupled to the at least one cutting element (182), wherein the at least one actuating element (184) is designed to move the at least one cutting element (182) out towards the material sheet (10) situated between the two mould parts (120, 140) in order to cut the material sheet (10).
B29C 51/32 - Moules comportant des moyens de découpage
D21J 5/00 - Fabrication d'articles creux par transfert des feuilles produites à partir de suspensions de fibres ou de papier mâché, par aspiration sur des moules en treillis métalliques, vers une forme de pressage garnie de feutre
B26D 1/04 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément qui ne suit pas le mouvement de la pièce ayant un élément coupant se déplaçant linéairement
B26D 5/08 - Moyens pour actionner l'outil de coupe afin d'effectuer la coupe
B26F 1/44 - Outils de coupe à cet effetMatrices à cet effet
B29C 51/44 - Démoulage ou éjection des objets formés
B29C 51/08 - Emboutissage profond ou façonnage dans des moules en deux parties, c.-à-d. en utilisant uniquement des moyens mécaniques
B29C 51/00 - Façonnage par thermoformage, p. ex. façonnage de feuilles dans des moules en deux parties ou par emboutissage profondAppareils à cet effet
B29K 311/10 - Fibres naturelles, p. ex. laine, coton
9.
MOLDING TOOL AND MOLDING METHOD FOR PRODUCING CONTAINERS WITH UNDERCUTS
The invention relates to a molding tool (1000), in particular a thermoforming tool, for producing a container (10). The molding tool comprises a mold base (200) and a mold insert (100) which receives the mold base (200), wherein the mold insert (100) is made of at least two mold insert parts (110, 120) which together with the mold base (200) define a mold chamber (300) that is designed to shape a flat material web into a container. A first mold insert part (110) is mounted in the molding tool (1000) in a stationary manner, and a second mold insert part can be moved in the molding tool (1000) in an axial direction.
The invention relates to a molding tool (1000), in particular a thermoforming tool, for producing a container (10). The molding tool comprises a mold base (200) and a mold insert (100) which receives the mold base (200), wherein the mold insert (100) is made of at least two mold insert parts (110, 120) which together with the mold base (200) define a mold chamber (300) that is designed to shape a flat material web into a container. A first mold insert part (110) is mounted in the molding tool (1000) in a stationary manner, and a second mold insert part can be moved in the molding tool (1000) in an axial direction.
A thermoforming mould for producing cup-shaped articles from a heated film of plastic is provided. The thermoforming mould comprises a first mould part and a second mould part which are movable in relation to one another, wherein at least one cavity for moulding a cup-shaped article is formed in one of the two mould parts. The thermoforming mould also comprises a measuring device which is designed to determine a tilting of the first mould part and the second mould part with respect to one another. Furthermore, a thermoforming machine comprising the thermoforming mould and also a method for determining a tilting between a first mould part and a second mould part of a thermoforming mould are provided.
Tilting measurement of a thermoforming mould A thermoforming mould for producing cup-shaped articles from a heated film of plastic is provided. The thermoforming mould comprises a first mould part and a second mould part which are movable in relation to one another, wherein at least one cavity for moulding a cup-shaped article is formed in one of the two mould parts. The thermoforming mould also comprises a measuring device which is designed to determine a tilting of the first mould part and the second mould part with respect to one another. Furthermore, a thermoforming machine comprising the thermoforming mould and also a method for determining a tilting between a first mould part and a second mould part of a thermoforming mould are provi¬ ded.
A thermoforming mould (300) for producing cup-shaped articles from a heated film of plastic is provided. The thermoforming mould comprises a first mould part (310) and a second mould part (350), which are movable in relation to one another, wherein at least one cavity for moulding a cup-shaped article is formed in one of the two mould parts. The thermoforming mould also comprises a measuring device (320), which is designed to determine a tilting of the first mould part and the second mould part with respect to one another. Furthermore, a thermoforming machine comprising the thermoforming mould and also a method for determining a tilting between a first mould part and a second mould part of a thermoforming mould are provided.
The invention relates to multipart packaging (10) comprising a cup (20) and a lid (40). The cup (20) comprises a cup base (21) and a cup wall (22) with a circumferential seal edge (29) and multiple first undercut segments (26), wherein the seal edge (29) forms a cup (20) end face opposite the cup base (21), and the multiple first undercut segments (26) are formed between the seal edge (29) and the cup base (21) in the circumferential direction of the cup wall (22) and in a specified cup wall section. The lid (40) comprises a lid base (42) with a laterally attached outer wall (44) on which multiple second undercut segments (48) are formed, and the lid (40) is dimensioned so as to be insertable into an opening (15) of the cup (20) and be rotatable relative to the cup (20). By rotating the lid (40) by a specified rotational angle, the second undercut segments (48) engage into the first undercut segments (26), whereby the lid (40) is locked to the cup (20). The invention also relates to a thermoforming tool and a thermoforming process for producing the aforementioned packaging (10).
The cylinder arrangement for processing material webs comprises at least one rotatably mounted cylinder (12, 14) which has a main body (15). A cylinder space (17) is formed concentrically with the cylinder axis in the main body (15), a mixing device for mixing a temperature-control fluid (24) being provided in said cylinder space (17). In each case one cylindrical intake duct (32) extending in the longitudinal direction of the cylinder axis and having an end leads into the end sides of the cylinder space (17), said intake duct (32) being connected, adjacent to its other end remote from the cylinder space (17), to in each case one end of a plurality of flow ducts (34), the other end of which leads, radially outside the intake duct (32), preferably adjacent to the wall surface, into the cylinder space (17).
B29C 59/04 - Façonnage de surface, p. ex. gaufrageAppareils à cet effet par des moyens mécaniques, p. ex. par pressage en utilisant des rouleaux ou des courroies sans fin
B26D 1/62 - Coupe d'une pièce caractérisée par la nature ou par le mouvement de l'élément coupantAppareils ou machines à cet effetÉléments coupants à cet effet comportant un élément coupant qui se déplace avec la pièce et tournant autour d'un axe parallèle à la ligne de coupe, p. ex. monté sur un cylindre rotatif
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