The 1998 Dodge Ram pickup meets 1999 Clean Air Act Standards, thanks to an elastomer/fluoropolymer composite. The material, developed for a fuel-filler neck, offers permeation resistance to liquid and vapor released during the fuel-filling process. The new design, called E-P-CAP(reg), also dissipates static charge, resists chemical attack, and can operate in temperatures up to 149C (300F).
E-P-CAP, produced by Pilot Industries Inc. (Dexter, MI), debuted on more than 400,000 of the pickups beginning last July. Each vehicle uses a fuel-fill hose and fuel-vent hose made of the composite. The hose's outer layer consists of Vamac(reg) ethylene acrylic elastomer, supplied by DuPont Dow Elastomers L.L.C. (Wilmington, DE), with a 0.2-mm inner layer of Tefzel(reg) EFTE (ethylene-tetrafluoroethylene) fluoropolymer, from DuPont Fluoroproducts (Wilmington, DE).
E-P-CAP employs an electrically conductive grade of Tefzel that dissipates static charge created during fuel filling, ensuring safety. "Flexibility is crucial to a fuel-fill system's success in a truck application for several reasons, including ease of assembly, crash safety, and its ability to accommodate the relative motion between body and frame," reports Ed Krause, Pilot's manager of research and development.
By refining topologies and using new fluid technology, Moog's new peak sine drive controller increases available power without increasing controller volume.
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Inspired by the hooks a parasitic worm uses to penetrate its host's intestines, the Karp Lab has invented a flexible adhesive patch covered with microneedles that adheres well to wet, soft tissues, but doesn't cause damage when removed.
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A quick look into the merger of two powerhouse 3D printing OEMs and the new leader in rapid prototyping solutions, Stratasys. The industrial revolution is now led by 3D printing and engineers are given the opportunity to fully maximize their design capabilities, reduce their time-to-market and functionally test prototypes cheaper, faster and easier. Bruce Bradshaw, Director of Marketing in North America, will explore the large product offering and variety of materials that will help CAD designers articulate their product design with actual, physical prototypes. This broadcast will dive deep into technical information including application specific stories from real world customers and their experiences with 3D printing. 3D Printing is
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