Goose Creek, SC, United States
Goose Creek, SC, United States

Alcoa Inc. is the world's third largest producer of aluminum, behind Rio Tinto Alcan and Rusal, with corporate headquarters in New York City. From its operational base in Pittsburgh, Pennsylvania in the United States, Alcoa conducts operations in 31 countries. Alcoa is a major producer of primary aluminum, fabricated aluminum, and alumina combined, through its active and growing participation in all major aspects of the industry: technology, mining, refining, smelting, fabricating, and recycling. Aluminum and alumina represent more than three-fourths of Alcoa’s revenue. Non-aluminum products include precision castings and aerospace and industrial fasteners. Alcoa’s products are used worldwide in aircraft, automobiles, commercial transportation, packaging, building and construction, oil and gas, defense, and industrial applications.In May 2007 Alcoa made a US$27 billion hostile takeover bid for Alcan, aiming to unite the two companies and form the world's largest aluminum producer. The takeover bid was withdrawn after Alcan announced a friendly takeover by Rio Tinto in July 2007.Among Alcoa's other businesses are fastening systems, building products and Howmet Castings. The sale of the packaging unit was announced on December 21, 2007 and closed in the first quarter of 2008. Wikipedia.


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An apparatus, method and composition for long length tubing includes continuous production of long length seamless aluminum tubing suitable for use as coiled tubing in hydrocarbon wells. A 2XXX aluminum alloy may be used in combination with a continuous casting/extrusion apparatus using aluminum from a melt. Other metals may be used, as well as continuously cast rod from a casting wheel and belt or conform extruder, which is processed to form a hollow and then sized by drawing.


Patent
Alcoa | Date: 2016-04-15

The instant disclosure is directed towards methods of treating wastewater and related systems, where the system includes: a first zone comprising at least one anaerobic tank, and a second zone comprising at least one engineered wetland. In some embodiments, the system includes a third zone comprising at least one bauxite residue cell.


Patent
Alcoa | Date: 2016-10-19

The present disclosure is directed towards methods of making titanium diboride products in various sizes. An aspect of the method provides (a) selecting a target average particle size for a target titanium diboride product; (b) selecting at least one processing variable from the group consisting of: an amount of sulfur, an inert gas flow rate, a soak time, and a reaction temperature; (c) selecting a condition of the processing variable based upon the target average particle size; and (d) producing an actual titanium diboride product having an actual average particle size using the at least one processing variable, wherein due to the at least one processing variable, the actual average particle size corresponds to the target average particle size.


Patent
Alcoa | Date: 2016-09-15

A fastener feed apparatus includes a mounting portion and a feed portion attached movably thereto. The feed portion includes a feed body having first and second ends and an internal track extending therethrough. The internal track is sized and shaped to convey a fastener through the feed body. The feed portion also includes a feeding block attached to the second end of the feed body and including a body and a pair of feed fingers, each of which includes a first end attached to the body and a second end. A track is formed between the feed fingers, is sized and shaped to convey the fastener from its first end to its second end, and is contiguous with the internal track of the feed body. The second end of the track includes a retention point. The feed fingers are sized and shaped to retain the fastener at the retention point.


Patent
Alcoa | Date: 2016-07-29

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, a trigger mounted rotatably to the housing, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The bolt is moveable between a first, closed position and a second open position. The trigger is moveable between a first position, in which the pin and roller are engaged with the bolt when the bolt is in its first position, and a second position, in which the pin and roller are disengaged from the bolt. The latch can be opened automatically when a defined load is provided on the bolt, or manually by depressing the trigger to disengage the pin and roller from the bolt.


An apparatus, method and manufacture utilizes additive manufacturing techniques to produce architectural manufactures such as windows and doors. The manufactures may have a composite construction and may feature inclusions like metal plates and reinforcements. The model used for controlling the manufacturing process may be derived from digital scanning of the structure on which the manufacture is used. Optionally, a finite element analysis is used to test the model and alter it in response to stress and/or thermal requirements.


Patent
Alcoa | Date: 2016-08-30

A latch including a housing having a cylinder, a compression spring positioned within the cylinder, and a ball positioned at one end of the compression spring, a hook positioned slidably within the housing, and a star wheel positioned around the hook and having a plurality of holes formed therein. The ball under load from the spring aligns with and engages one of the holes of the star wheel to retain it in place. The star wheel is moveable rotatably such that the ball disengages the one of the holes of the star wheel to enable the hook to move axially and be adjusted relative to the housing, and the ball is adapted to engage another of the holes of the star wheel to retain the star wheel and prevent inadvertent rotation.


Patent
Alcoa | Date: 2016-08-24

A latch including a housing having side members each having an elongated slot, a bolt mounted rotatably to the housing and positioned between the side members of the housing, an adjustment mechanism, and a pin and roller positioned slidably within the elongated slots of the side members of the housing. The adjustment mechanism includes a compression spring, a central cap for receiving the pin and roller therethrough, and a nut for adjusting the load on the compression spring. The bolt is moveable between a first, closed position, in which the pin and roller are engaged with the bolt, and a second open position, in which the pin and roller are disengaged from the bolt. The latch can be opened automatically when a defined load, as adjusted by the adjustment mechanism, is provided on the bolt to disengage the pin and roller from the bolt.


Patent
Alcoa | Date: 2016-09-28

A latch having body with a hook, a handle attached pivotally to the body, and a series of links that facilitate opening and closing the handle. The links include a pair of front links, a pair of back links, and a middle link. The middle link connects the front links and the back links at one end of the middle link and with slots in the front link. The other end of the middle link pivots with the handle via a rivet. The middle link acts as an extended arm to drive the front links and back links for opening and closing the latch. A handle spring provides a means to pop-open the handle. A pair of link covers retains the front links and the back links on the body.


Patent
Alcoa | Date: 2016-09-28

A pressure relief door having a panel with an exterior side and an interior side, a pair of pressure relief latches mounted to the interior side of the panel, and a pair of hinges mounted to the panel and each including a lock mechanism mounted thereto. Each of the lock mechanisms includes a mounting bracket. The door is adapted to be installed within a structure and moveable between a closed position, such that the exterior side of the panel is substantially flush with an exterior surface of the structure, the lock mechanisms are engaged with an interior surface of the structure, and the pressure relief latches are engaged with the interior surface of the structure, and an open position, such that the pressure relief latches are disengaged with the interior surface of the structure, while the lock mechanisms remain engaged with the interior surface of the structure.

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