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Andritz Ag patents

Recent patent applications related to Andritz Ag. Andritz Ag is listed as an Agent/Assignee. Note: Andritz Ag may have other listings under different names/spellings. We're not affiliated with Andritz Ag, we're just tracking patents.

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Device for dewatering feedstock that is pourable or free-flowing

A device for dewatering feedstock that is pourable or free-flowing by compression and segments for use with such a device. A housing has a shell pipe in which a shaft with flights running around its circumference rotates around an axis of rotation. ... Andritz Ag

Airfoil with perpendicular airflow

The problem of web flutter experienced by webs spanning the draw between a drying area of a fiber web manufacturing machine and winder, wherein the web is assisted by airfoils is mitigated by using at least one airfoil having multiple conduits connected to at least one air supply, at least two areas with openings in form of slots or rows of holes (or elongated openings) are oriented a direction substantially parallel to the direction of web movement, wherein the openings communicate with the multiple conduits, a coanda surface disposed adjacent to the openings, and wherein the openings are configured to direct air flowing from the air source through the multiple conduits, through the openings over the coanda surface in a direction substantially perpendicular to the direction of web movement.. . ... Andritz Ag

Method for processing of electrical and electronic components to recover valuable materials

The subject of the present invention is a method for processing electrical and electronic components in order to recover valuable materials, such as the metals contained in printed circuit boards. According to this method, the electrical and electronic components are pre-shredded mechanically and then mixed with a liquid before they undergo wet milling (5).. ... Andritz Ag

Process for production of a fibrous pulp web

A method for producing a fibrous pulp web, in which a fibrous pulp suspension is dewatered in a twin wire former to form a fibrous pulp web which is dried with a tad dryer. A pre-dewatering device with a hood and suction roll is provided after the twin wire former and before the tad dryer. ... Andritz Ag

Hydrocyclone with fine material depletion in the cyclone underflow

. . A hydrocyclone with an inflow region providing tangential inflow for a feed slurry and with a separation region following the inflow region with an underflow discharge pipe to carry off heavy materials and with an overflow nozzle in the form of an immersion tube projecting axially into the interior of the hydrocyclone. Another inflow is provided in the area of the tangential inflow to supply the barrier fluid, where the barrier fluid and the feed slurry are separated from one another by a lamella in the hydrocyclone before they are brought together. ... Andritz Ag

Method and device for dewatering sludge on a screen

The invention relates to a method for the dewatering of sludge on a screen, wherein a flocculant is admixed with sludge, whereafter the sludge is at least partially dewatered, the flow behaviour of the sludge on the screen being optically detected and the amount of flocculant to be admixed being set according to the free screen surface in a control region. The invention is primarily characterized in that the control region is arranged at a point of the cleaned screen in the inlet area of the sludge, for example at the edge. ... Andritz Ag

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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Andritz Ag in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Andritz Ag with additional patents listed. Browse our Agent directory for other possible listings. Page by