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  • Description: wound
(45 results)



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    • Winding cellophane

    • Cellophane Manufacturing Process
    • Cellophane enters one end of long casting machine as a liquid and is wound up at the other end as a dry, shiny film. On its way through the machine, a series of baths purify, wash and soften it after which it is dried. At the wind up end, a full...
    • Making medical x-ray film

    • X-Ray Film
    • An operator adjusts the flow of molten liquid polymer as it is extruded through a lost into a rotating casting wheel. On its way through, the film base is stretched longitudinally and laterally to about 10 times its original size, inspected and...
    • Converting rayon tow

    • Tow-to-Top Conversion Process
    • Rayon tow is here being converted into top on a machine invented by N.S. Campbell, of Greenwich, Connecticut. The operator has inserted several ends of DuPont Fiber-D rayon tow into the far end of the machine. They then pass between a pair of...
    • Winding cellophane

    • Cellophane Manufacturing Process
    • Cellophane being wound in rolls after being coated at the DuPont Company's Tecumseh, Kansas cellophane plant. Through modification of coatings, a wide variety of properties, such as heat sealability and varying degrees of moistureproofness, may be...
    • Quality check of Orlon fiber

    • Orlon Manufacturing Process
    • After Orlon acrylic fiber has been wound on shipping bobbins at DuPont's Camden, South Carolina plant, it is given a preliminary check by girl in the foreground before being sent on for final inspection. Cartons on flat truck contain Orlon...
    • Uses of Butacite

    • Manufacturing and Testing 'Butacite'
    • A step in the manufacture of Butacite polyvinyl butyral resin, which is used as the inner layer of laminated safety glass for automobiles. Here Butacite is being cut to widths ordered by the customer to fit his requirements for windshields and...
    • Spinning Orlon onto bobbins

    • Orlon Manufacturing Process
    • Orlon acrylic fiber is spun as continuous filament onto bobbins shown here. Bobbins are then placed on racks prior to being washed. After washing, the yarn will continue on it way to the third production stage where it will be wound on shipping...
    • Uses of Butacite

    • Manufacturing and Testing 'Butacite'
    • Butacite' polyvinyl butyral resin is used as inner layer of safety glass. Sheeting manufactured from this resin is of excellent clarity and color and is particularly resistant to the deteriorating influences of prolonged exposure to heat, light and...
    • Uses of Butacite

    • Manufacturing and Testing 'Butacite'
    • This is another view of the manufacture of continuous sheeting of Butacite polyvinyl acetal resin, which is used as interlayer in modern laminated safety glass. As it passes onto a wind up roll, as shown in this picture, its unusual flexibility is...
    • Winding nylon

    • Nylon Manufacturing Process
    • Nylon filaments to be used as sutures or fishing leader is shown in this photograph being wound upon spools preparatory to shipment. Photograph take at the Arlington, New Jersey plant of the Plastics Department of E.I. du Pont Nemours & Company.
    • Winding nylon

    • Nylon Manufacturing Process
    • Nylon filaments to be used as sutures or fishing leader is shown in this photograph being wound upon spools preparatory to shipment. Photograph take at the Arlington, New Jersey plant of the Plastics Department of E.I. du Pont Nemours & Company.
    • Production of Mylar

    • Manufacturing Process of Mylar
    • Mylar polyester film emerges at the end of the manufacturing operation in a continuous sheet and is wound up in large mill rolls, which are later slit on machines like this to customer's specifications in widths from 1/2 inch to 54 inches. The film...
    • Production of nylon

    • Nylon Manufacturing Process
    • Production of nylon is a complex art requiring super cleanliness and rigid control of temperatures and pressures. In the manufacture of yarn at the textile fiber plants, the nylon salt solution is first piped into evaporators where much of the...

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