Assay cartridges are described that have a detection chamber, preferably having integrated electrodes, and other fluidic components which may include sample chambers, waste chambers, conduits, vents, bubble traps, reagent chambers, thy reagent pill zones and the like. In certain embodiments, these cartridges are adapted to receive and analyze a sample collected on an applicator stick. Also described are kits including such cartridges and a cartridge reader configured to analyze an assay conducted using an assay cartridge.

Disclosed is an extruder and a method for extruding cord reinforced tire components, wherein the extruder includes an extruder head with a die and a cord guide, wherein the die is provided with a cross sectional profile that defines a first cross section of the extrusion material in the die, wherein the cross sectional profile has a profile height, wherein the cord guide is arranged for guiding the cords into the die at a cord entry height, wherein the extruder head is provided with first heating elements, wherein the extruder comprises a control unit that is operationally connected to the first heating elements for generating an adjustable height temperature gradient in the extrusion material across the profile height to control swelling of the extrusion material relative to the cord entry height from the first cross section to a second cross section after the extrusion material leaves the die.

A nozzle assembly for a printer head of a 3D printer includes a guide held in a fixed position relative to the printer head and extending from a first end to a second end along a longitudinal axis. A drive mechanism extends from a feed end to a discharge end along the longitudinal axis. The feed end defines a feed opening for receiving a filament from a feed system, and the discharge end defines a discharge opening for discharging the filament from the nozzle assembly. The drive mechanism is movable relative to the guide, and the drive mechanism includes a drive surface for engaging the filament and causing the filament to move from the feed opening to the discharge opening, in response to the drive mechanism moving relative to the printer head. The nozzle assembly further includes a motor for moving the drive mechanism relative to the printer head.

An extrusion molding die includes an extrusion outlet, a plastic flow channel, and a temperature adjusting channel. The extrusion outlet is configured to extrude a plastic composition including at least one kind of plastic. The plastic flow channel is configured to allow the supplied plastic composition to flow toward the extrusion outlet. The temperature adjusting channel is configured to allow a temperature adjusting medium to flow. The temperature adjusting channel includes three or more temperature adjusting channels arranged around the plastic flow channel. Each of the temperature adjusting channels is arranged at a position in ±10% of (360°/N) in a rotation direction about an extrusion center axis relative to an adjacent temperature adjusting channel, where a number of the temperature adjusting channels is N.

A group of hollow modules through which the material to be extruded flows, is provided that includes at least: a rectangular heating-shaping module, in which the material undergoes a temperature increase and takes on the desired shape; and a tubular cooling-solidification module, in which the material changes from liquid to solid. A heating-reaction module is provided upstream of the heating-shaping module. The heating-reaction module includes an interchangeable hollow tube with an external heating system. The heating-shaping module includes detachable parts and includes another external heating system based on the auto-acceleration of the curing reaction and of the heat supply from said external heating system. The tubular portion between the heating-reaction module and the heating-shaping module includes a shaping coupling equipped with a through-hole. The extrusion module includes a circuit through which the polymer flows into at least two push compartments.

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.

The present invention relates to an extrusion die and a method for extruding a sheet using the same, and according to one aspect of the present invention, there is provided an extrusion die comprising a storage part configured to hold a raw material, the storage part defining a first width, a pressure part configured to move the raw material through the storage part, a first die defining a second width less than the first width, such that a flow width of the raw material becomes narrower, a second die in fluid communication with the first die, the second die defining a width that increases from the second width to a third width, such that the flow width of the raw material passing through the first die becomes wider and a flow thickness becomes smaller, and a heating part configured to heat the raw material passing through the second die.

A production device for melt-blown non-woven fabric, with which a high molecular weight polymer can be reduced in molecular weight by applying a shear force to the high molecular weight polymer without adding an additive such as a peroxide that promotes thermal decomposition reaction, and a low molecular weight polymer can be efficiently produced. The low molecular weight polymer and the melt-blown non-woven fabric are produced using a continuous high shearing device that applies a shear force to the high molecular weight polymer serving as a raw material by rotation of a screw body 37 to reduce the molecular weight of the high molecular weight polymer so as to obtain a low molecular weight polymer, and cools the low molecular weight polymer by passing the low molecular weight polymer through a passage 88 arranged in the axial direction inside the screw body 37.

Silicone-containing light fixture optics. A method for manufacturing an optical component may include mixing two precursors of silicone, opening a first gate of an optic forming device, moving the silicone mixture from the extrusion machine into the optic forming device, cooling the silicone mixture as it enters the optic forming device, filling a mold within the optic forming device with the silicone mixture, closing the first gate, and heating the silicone mixture in the mold to at least partially cure the silicone. Alternatively, a method for manufacturing an optical component may include depositing a layer of heat cured silicone optical material to an optical structure, arranging one or more at least partially cured silicone optics on the layer of heat cured silicone optical material, and heating the heat cured silicone optical material to permanently adhere the one or more at least partially cured silicone optics to the optical structure.