A squeezing roller granulator that has a squeezing roller pair composed of a toothed pressure roller and a toothed squeezing roller. The teeth of the pressure roller and the squeezing roller have tooth flanks that are situated between a tooth root region and a tooth tip region. The tooth root region has an outer diameter that is smaller than the outer diameter of the tooth tip region, and the tooth tip region of at least one of the rollers of the squeezing roller pair has three squeezing zones including a middle squeezing zone, which define different distances between the tooth tip regions with a minimum distance in the region of the middle squeezing zone, and the contour of the tooth flanks and the tooth root region of the rollers of the squeezing roller pair defines a maximum cross-section of granulate cushions to be formed.

Provided is a monolayer film containing a vinylidene chloride-based copolymer composition containing a vinyl chloride comonomer-containing first polyvinylidene chloride copolymer (PVDC-VC); and a methyl acrylate comonomer-containing second polyvinylidene chloride copolymer (PVDC-MA), A crystallinity of the vinylidene chloride-based copolymer composition is 25 to 45%, Also provided is a container including the same, and a method for producing a monolayer film

A method and device for producing a monoaxially or biaxially stretched plastic film are disclosed in which in the intermediate space (Z) tapering in a wedge shape to the contact line between the melt film or plastic film and the roller jacket spaced apart therefrom or the roller surface spaced apart therefrom of the cooling roller, at least one device for preventing precipitation of condensate (K) in the intermediate space (Z) is used and is designed such that precipitation of condensate (a) on the underside of the melt film or plastic film facing the roller jacket (9) or on the roller jacket of the cooling roller is prevented, and/or a condensate (K) which has precipitated there evaporates or vaporises, and/or condensate disposed in the intermediate space is transported away, suctioned off, or blown out and/or runs out to the side.

A ram extrusion apparatus including a die having several thermal zones, a hopper for introducing a granular polymer resin to the die, and a ram for moving the granular polymer resin through the thermal zones of the die and out from an outlet end thereof at a temperature above the crystalline melt temperature of the polymer resin. The hopper may be designed to deliver the polymer resin into a resin inlet of the die in a plurality of specifically metered amounts which may vary across a width of the resin inlet end of the die. The apparatus may further include one or more finishing tables positioned after the outlet end of the die for receiving and moving the extruded resin away from the outlet end of the die so that there is no backpressure on the extruded resin, and which provide compression force and even cooling to the extruded resin.

A ram extrusion apparatus including a die having several thermal zones, a hopper for introducing a granular polymer resin to the die, and a ram for moving the granular polymer resin through the thermal zones of the die and out from an outlet end thereof at a temperature above the crystalline melt temperature of the polymer resin. The hopper may be designed to deliver the polymer resin into a resin inlet of the die in a plurality of specifically metered amounts which may vary across a width of the resin inlet end of the die. The apparatus may further include one or more finishing tables positioned after the outlet end of the die for receiving and moving the extruded resin away from the outlet end of the die so that there is no backpressure on the extruded resin, and which provide compression force and even cooling to the extruded resin.

An improved control apparatus for producing plastic films and an associated improved method are distinguished, inter alia, by the following features: the control apparatus has two stages or at least two stages, the control apparatus comprises, for this purpose, a sensor module and/or a sensor model and a process module and/or a process model, the machine-dependent sensor module and/or sensor model and the production-dependent process module and/or process model are linked or can be linked to one another via production variables, adjustable machine variables are connected or linked to plant production variables via the sensor module and/or the sensor model.

A method and device for producing of a plastic foil especially a multi-layer stretch film, at which plastic material is extruded from a flat extrusion die and subsequently guided around a cooling roll following in the conveying direction and cooled. The foil is guided between the flat extrusion die and the cooling roll around a temperature controlling roll along a given angle of contact. The temperature controlling roll has a center region and two edge regions. The foil is kept at least in sections at a distance from the temperature controlling roll in the center region by creating an air cushion in the center region between the surface of the temperature controlling roll and the foil by supplying heated air between the surface of the temperature controlling roll and the foil in the center region. The foil is brought into contact with the temperature controlling roll in the edge regions.

Polyvinyl acetal films with less blocking tendency and which allow for escape of gas during laminating to form laminated composities are prepared by a process for embossing a film comprising plasticized polyvinyl acetal with a roughness Rz on at least one surfaces of 20 to 100 m by the steps of a. extruding of plasticised polyvinyl acetal to a film with a stochastic roughness of the surfaces of Rz =1 to 70 m, b. embossing at least one surface of the film obtained in step a) with channels having a depth of 5-50 m, a width of 10-200 m and a pitch of 50-2500 m, wherein c. the surface roughness of the elevations between the channels is at most 20% lower as obtained in step a).

The invention relates to a device and a method for calibrating a blown film (6), said device comprising: a tubular region with at least one inner wall (55), through which region the blown film can be passed; a liquid reservoir (82), which can be used to provide a liquid and which is situated above the tubular region, the liquid being guidable between the inner wall (55) and the blown film; and a suctioning device (B), situated below the tubular region, for suctioning off at least part of the liquid from the blown film. At least one liquid-permeable element (92) is provided, said element surrounding at least parts of the periphery of the blown film (6). This device permits the distance of the liquid-permeable element from the main axis of the blown film to be altered.

A method of forming an oral product includes extruding a mixture, conveying the extruded mixture through one or more pairs of forming rollers, and cutting the extruded mixture into one or more oral products. The mixture can include polymer and at least one flavorant, sweetener, active ingredient, or combination thereof. The extruded mixture forms an extrudate having a predetermined cross-sectional shape. The one or more pairs of forming rollers abut to define a passage there between as each forming roller rotates. The passage has a cross-sectional shape corresponding to the predetermined cross-sectional shape. The method can be performed using a machine including an extruder, one or more pairs of forming rollers, and a cutting device.