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Technology Report

381 to 390 from 422 News

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  • 09-18-2006

    Laser Welding of Fabric

    Laser welding of fabric made from synthetic fibres results in flexible, high-strength bonds. For production of airbags, for instance, the technique achieves high processing speeds and lends itself to automation. Airbags are installed in the seats and roofs of automobiles as supplemental restraint systems for increased occupant safety. They offer protection in the event of side-impact collisions or rollovers. However, in case of a rollover in particular, the airbags must remain inflated for ten seconds in order to provide meaningful protection. This can be assured only if the seams are airtight.   more

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  • 09-08-2006

    Better Adhesion Through Plasma Treatment

    When producing complex components, different materials are combined with one another. With the aid of plasma pretreatment, the individual components can be cleaned and activated. This assures not only a good bond, but also make the otherwise necessary assembly steps unnecessary.   more

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  • 08-28-2006

    Screw Coating for Optical Applications

    The CrAlON anti-adhesive PVD coating system reduces adhesion of melt to the surface of a screw considerably. This contributes to a reduction in the number of defective parts, above all, for optical applications.   more

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  • 07-31-2006

    Functional Integration with Air Ducts

    Clips, straps and cable feed-throughs are usually welded on to air ducts in automobile engine compartments. Two new process variations eliminate the welding step and thus help to reduce manufacturing costs.   more

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  • 07-10-2006

    Instrument Panels in One Operation

    To date, sandwich components in the automotive industry have been produced in a multi-step process. A new manufacturing method combines injection moulding and foaming into a single-step process.   more

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  • 06-26-2006

    Cooling Process Determines the Quality

    Sheet and film can be cooled on a conventional polishing stack, in a water bath and through use of a calendering belt. Comparison of these three approaches shows that sheet and film produced using the calendering belt technique or the water bath approach exhibit mechanical characteristics that are favourable for thermoforming.   more

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  • 06-12-2006

    Thermochromic Pigmenting

    Newly developed thermochromic pigments can be incorporated directly into commercially available resins during processing. This means that completely new product groups are coming within reach.   more

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  • 05-22-2006

    Precise Mould Temperature Control

    A new mould temperature control system permits production of optical discs with exceptional replication accuracy at very short cycle times. The wider process window simplifies production of HD-DVDs and Blu-ray Discs.   more

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  • 05-08-2006

    Thermoformable Melamine Foam

    Foams made from melamine resin are lightweight, temperature-resistant and withstand many chemicals. With a new, thermoformable version of this foam, production costs can be reduced considerably.   more

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  • 04-24-2006

    Injection Moulding of Liquid Silicone Rubber Foams

    For the first time it has become possible to foam liquid silicone by using physical blowing agents. This process permits production of components with entirely new properties.   more

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381 to 390 from 422 News

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