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  2. Coupling (piping) - Wikipedia

    en.wikipedia.org/wiki/Coupling_(piping)

    Alternatively it is a short length of pipe with two female National pipe threads (NPT) (in North American terms, a coupler is a double female while a nipple is double male) or two male or female British standard pipe threads. If the two ends of a coupling are of different standards or joining methods, the coupling is called an adapter. Examples ...

  3. File:Bell-and-hook coupler & Johnston adapter.jpg - Wikipedia

    en.wikipedia.org/wiki/File:Bell-and-hook_coupler...

    Bell-and-hook_coupler_&_Johnston_adapter.jpg ‎ (484 × 368 pixels, file size: 69 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  4. Railway coupling - Wikipedia

    en.wikipedia.org/wiki/Railway_coupling

    Scharfenberg coupler on a Southeastern Class 395 Video of ICE T coupling at Leipzig Hauptbahnhof. A coupling or coupler is a mechanism, typically located at each end of a rail vehicle, that connects them together to form a train.

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    The fitting is known as a reducing coupling, reducer, or adapter if their sizes differ. There are two types of collars: "regular" and "slip". There are two types of collars: "regular" and "slip". A regular coupling has a small ridge or stops internally to prevent the over-insertion of a pipe and, thus, under-insertion of the other pipe segment ...

  6. IEC 60309 - Wikipedia

    en.wikipedia.org/wiki/IEC_60309

    IEC 60309 (formerly IEC 309 and CEE 17, also published by CENELEC as EN 60309) is a series of international standards from the International Electrotechnical Commission (IEC) for "plugs, socket-outlets and couplers for industrial purposes".

  7. Dual coupling - Wikipedia

    en.wikipedia.org/wiki/Dual_coupling

    Inter-stock coupling was with the automatic coupler (with the buffers retracted), while connection to the locomotive was with the buffer-and-chain system with a screw coupler. Today this dual coupling system has been adopted for all loco-hauled passenger trains in Great Britain to allow faster shunting operations.

  8. Our Most Popular Holiday Recipe of All Time Is the Star of ...

    www.aol.com/lifestyle/most-popular-holiday...

    The "Food Wish Method": Chef John's Mathematical Formula for Cooking Prime Rib. Multiply the exact weight of your prime rib by 5 minutes (round up to the nearest minute).

  9. Scharfenberg coupler - Wikipedia

    en.wikipedia.org/wiki/Scharfenberg_coupler

    The Scharfenberg coupler [1] (German: Scharfenbergkupplung, abbreviated Schaku) is a commonly used type of fully automatic railway coupling.. Designed in 1903 by Karl Scharfenberg in Königsberg, Germany (today Kaliningrad, Russia), the coupler has gradually spread from transit trains to regular passenger service trains, although outside Europe its use is generally restricted to mass transit ...