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  2. Riser (casting) - Wikipedia

    en.wikipedia.org/wiki/Riser_(casting)

    A riser is categorized based on three criteria: where it is located, whether it is open to the atmosphere, and how it is filled. If the riser is located on the casting then it is known as a top riser, but if it is located next to the casting it is known as a side riser. Top risers are advantageous because they take up less space in the flask ...

  3. Drilling riser - Wikipedia

    en.wikipedia.org/wiki/Drilling_Riser

    Drilling riser joints with buoyancy modules. A drilling riser is a conduit that provides a temporary extension of a subsea oil well to a surface drilling facility. Drilling risers are categorised into two types: marine drilling risers used with subsea blowout preventer (BOP) and generally used by floating drilling vessels; and tie-back drilling risers used with a surface BOP and generally ...

  4. UFM Easy Riser - Wikipedia

    en.wikipedia.org/wiki/UFM_Easy_Riser

    The UFM Easy Riser is an American swept wing biplane hang glider that was first powered in 1975, becoming the first modern ultralight aircraft. The Easy Riser was still in production as an unpowered glider in 2002 by Ultralight Flying Machines .

  5. Lower riser package - Wikipedia

    en.wikipedia.org/wiki/Lower_riser_package

    The Lower Riser Package is a mechanical device to protect an oil well located underwater (subsea) and used during an oil well intervention. The LRP is essentially a mini blow out preventer (BOP). The lower riser package consists of a connector to the subsea oil well, a series of safety valves and a connection point at the top for connection to ...

  6. 3-ring release system - Wikipedia

    en.wikipedia.org/wiki/3-ring_release_system

    Front and side views of a 3-ring (mini rings) release system on a single riser of a packed main parachute. Since the introduction of the 3-ring system, variations in the design have raised safety concerns. For example, the move to mini rings and mini risers caused riser failures on some designs [6] until riser strength

  7. Morrison–Knudsen - Wikipedia

    en.wikipedia.org/wiki/Morrison–Knudsen

    Morrison–Knudsen (MK) was an American civil engineering and construction company, with headquarters in Boise, Idaho. [7] [8]MK designed and constructed major infrastructure throughout the world and was one of the consortium of firms that built Hoover Dam, San Francisco–Oakland Bay Bridge, the Trans-Alaska Pipeline, and many other large projects of American infrastructure.

  8. Riser clamp - Wikipedia

    en.wikipedia.org/wiki/Riser_clamp

    Riser clamp for a standpipe through-penetration firestop inside a fire hose cabinet under construction. A riser clamp is a type of hardware used by mechanical building trades for pipe support in vertical runs of piping (risers) at each floor level. The devices are placed around the pipe, and integral fasteners are then tightened to clamp them ...

  9. Eugene Stoner - Wikipedia

    en.wikipedia.org/wiki/Eugene_Stoner

    Eugene Morrison Stoner (November 22, 1922 – April 24, 1997) was an American machinist and firearms designer who is most associated with the development of the ArmaLite AR-15 rifle that was redesigned and modified by Colt's Patent Firearm Company for the United States military as the M16 rifle.