Web-wound rolls with a web edge treatment with microspheres and processes to make the same are provided. The web-wound rolls include a substrate web having at least two web edges. One or more stripes of coated material are disposed adjacent to one or both of the web edges. The substrate web is wound upon itself in multiple revolutions about a central core, and each revolution is held substantially separate from the next by the one or more stripes of coated material.

Web-wound rolls with a web edge treatment with microspheres and processes to make the same are provided. The web-wound rolls include a substrate web having at least two web edges. One or more stripes of coated material are disposed adjacent to one or both of the web edges. The substrate web is wound upon itself in multiple revolutions about a central core, and each revolution is held substantially separate from the next by the one or more stripes of coated material.

A dosage device for extruding a monocomponent or a bicomponent polymeric product, particularly for an automatic machine for forming a spacer frame, includes a first dosage assembly and a separate second dosage assembly for the dosage and feeding of the product, which can be activated, in a first feeding step and in a third feeding step, alternately so that one of them provides continuity of flow to an extrusion nozzle while the other one is in the reloading step. The first and second dosage assemblies are activated, in a second swapping step that is intermediate with respect to the first and third feeding steps, simultaneously and jointly, one of them having a flow-rate ramp that passes from the steady-state value to zero and the other one complementarily having a flow-rate ramp that passes from zero to the steady-state value.

A dosage device for extruding a monocomponent or a bicomponent polymeric product, particularly for an automatic machine for forming a spacer frame, includes a first dosage assembly and a separate second dosage assembly for the dosage and feeding of the product, which can be activated, in a first feeding step and in a third feeding step, alternately so that one of them provides continuity of flow to an extrusion nozzle while the other one is in the reloading step. The first and second dosage assemblies are activated, in a second swapping step that is intermediate with respect to the first and third feeding steps, simultaneously and jointly, one of them having a flow-rate ramp that passes from the steady-state value to zero and the other one complementarily having a flow-rate ramp that passes from zero to the steady-state value.

Methods, apparatuses and systems are disclosed including a method of filling a container with substantially only a liquid. The method can include the removal of a gas from the container prior to, during or after the filling of the container with the liquid. According to one embodiment, the container includes an inner liner and a lid. The method includes providing a volume defined by at least the inner liner and the lid of the container. In such embodiment, the liquid can initially be contained within a first portion of the volume and a remaining portion of the volume can contain a gas. The method can include removing substantially all the gas from the volume via one or more ports that communicate with the volume while retaining substantially only the liquid within the volume.

The present invention relates to a 3D bioprinter. The 3D bioprinter, according to the present invention, comprises: a case inside of which a work space is provided; a printing plate installed inside of the case so as slide in the forward, backward, left, and right directions; a first nozzle installed inside the case for dispensing a biomaterial in a solid state on the printing plate; a second nozzle installed inside the case for dispensing a biomaterial in a liquid state on the printing plate; and a control unit for controlling the dispensing by the first nozzle and the second nozzle, wherein the first nozzle and the second nozzle are used to print a single structure by stacking the biomaterial in the solid state and the biomaterial in the liquid state.

The present invention relates to a 3D bioprinter. The 3D bioprinter, according to the present invention, comprises: a case inside of which a work space is provided; a printing plate installed inside of the case so as slide in the forward, backward, left, and right directions; a first nozzle installed inside the case for dispensing a biomaterial in a solid state on the printing plate; a second nozzle installed inside the case for dispensing a biomaterial in a liquid state on the printing plate; and a control unit for controlling the dispensing by the first nozzle and the second nozzle, wherein the first nozzle and the second nozzle are used to print a single structure by stacking the biomaterial in the solid state and the biomaterial in the liquid state.

The application relates to a device for depositing a melted material, such as a plastic material, on a surface, in particular a printhead for a 3D printer, including a housing, a discharge nozzle arranged on the housing, and a metering device with a first metering unit and a second metering unit, each of which is designed to receive the melted material and dispense same in a metered manner, wherein the metering device is designed to supply the melted material to the discharge nozzle, in particular an outlet channel of the discharge nozzle, by means of the first metering unit and the second metering unit in an alternating manner or on-the-fly. The application also relates to a printing device, in particular a 3D printing device, such as a 3D printer, and to a method for depositing a material, in particular in a 3D printing method or an additive manufacturing method.

A molding apparatus reduces waviness or deformation of fibers. The molding apparatus includes a fiber feeder that feeds fibers, a resin feeder that feeds a resin, a curing accelerator that accelerates curing of the fed resin while the fed fibers are being tensioned, and a transporter that relatively changes a feeding position of the fibers, a feeding position of the resin, and an accelerating position of the curing.

A molding apparatus reduces waviness or deformation of fibers. The molding apparatus includes a fiber feeder that feeds fibers, a resin feeder that feeds a resin, a curing accelerator that accelerates curing of the fed resin while the fed fibers are being tensioned, and a transporter that relatively changes a feeding position of the fibers, a feeding position of the resin, and an accelerating position of the curing.