Historic Cover Archive
1977 to 1975
1977 to 1975
Caption: Ingot on hot line at Lewisport, Kentucky, rolling mill. (Photo courtesy of the Aluminum Association.)
Caption: General view of the Alcan Foils Ltd Rogerstone, Wales foil mill bay showing the 380 mm and 1000 mm x 1830 mm roughing mill and, in the foreground, two identical 310 mm and 860 mm x 1830 mm finishing mills supplied by Loewy Robertson to achieve foil rolling speeds in excess of previously accepted foil rolling practice and a production capacity of up to 20,000 tons per year in the thickness range of 6-12 microns.
Caption: Plate stretcher at Martin Marietta Aluminum's Kentucky rolling mill can exert a seven million pound pull on aluminum plate as thick as four inches.
Caption: Siphoning molten magnesium from cells at Norsk Hydro's Porsgrunn, Norway plant. The magnesium is then taken to the foundry. (Photo courtesy Norsk Hydro.)
Caption: Breaking the crust on an electrolytic pot at Intalco's aluminum smelter at Ferndale, Washington. Pots are computer controlled.
Caption: Preheating anode rod stubs at British Aluminum's Invergordon smelter. (Photograph by Paul Brierley.)
Caption: Alumex of Puebla, Mexico pioneered the use of continuous cast sheet for deep drawn products such as pots and pans. This facility was built for Alumex by Hunter Engineering Co. of Riverside, California.
Caption: Rolling mills in various parts of the world are part of the worldwide operations of Reynolds International, Inc.
Caption: Designed and built by L. W. Nash Company, this Alcoa casting system at their Warrick, Indiana plant is 15 per cent more efficient than earlier installations. It increases the plant's total ingot production by 25 per cent. In the process, molten aluminum is cast continuously and sawed into 30-ft.-long, 15-ton ingots for rolling into light gauge sheet.
Caption: 58" Hunter continuous sheet caster of tilt-up design, built for a South American sheet producer and put into operation this year. It produces and coils 1/4 to 1/2 inch material.
Caption: At Alcoa, Davenport, Iowa, Elwell-Parker electric platform trucks move table loads of flat aluminum sheet or plates, haul trailer loads of aluminum, and carry aluminum coils. Truck maintenance and repair costs are carefully recorded to determine the downtime costs and uptime efficiency of all trucks at Alcoa.
Caption: Five stand tandem cold mill at Kaiser Aluminum and Chemical Corporation's Ravenswood, West Virginia. plant (entry end) showing coil handling equipment installed by E. W. Bliss last year including delivery shear, stub mandrel type tension reel coil hoist, sleeve handling equipment, belt wrapper and a coil conveyor.
Caption: Hot rolling line at Cegedur Pechiney's Neuf Brisach plant. (Photo courtesy Revue De L'Aluminium.)