| 词条 | Dunlop valve |
| 释义 |
| total_width = 200 | image1 = Dunlop valve.jpg | caption1 = Dunlop valve stem | image2 = X valve core.PNG | caption2 = Plug | footer = }} The Dunlop valve, (also called a Woods valve or an English valve) is a type of pneumatic valve stem in use in some countries, such as Japan,[1] Czech Republic, India, Pakistan, Sri Lanka, Poland, Romania, Russia, the Netherlands, Germany, Britain, Norway, Finland, Sweden, Denmark, and a number of developing countries, mostly on bicycle inner tubes. It has a wider base than a Presta valve, similar enough in size to a Schrader valve to use identically drilled valve holes in rims,[2] but it can be inflated with a Presta valve adapter.[3] The inner mechanism of the valve can be replaced easily, without the need for special tools. The inventor was C. H. Woods. It superseded Dunlop's original valve for pneumatic tyres.[4] DimensionsExternal thread: 0.305" x 32 TPI References1. ^{{cite web|url=http://www.japancycling.org/v2/info/bikesj/tyres.shtml|title=Japan Cycling Navigator:Information: Bikes in Japan: Tyres and Tubes|publisher=www.japancycling.org|accessdate=1 June 2009|last=|first=}} {{Tires|state=collapsed}}{{Cycling-stub}}2. ^{{cite web|url=http://guides.wiggle.co.uk/inner-tube-buying-guide/|title=Inner tube buying guide|date=8 October 2018|publisher=|accessdate=10 October 2018}} 3. ^{{cite web| url = http://www.sheldonbrown.com/gloss_w.html#woods| title = Glossary: Woods Valve| author = Sheldon Brown| accessdate = 1 December 2010}} 4. ^{{cite web|last=Moulton|first=Dave|title=John Boyd Dunlop|url=http://davesbikeblog.squarespace.com/blog/2007/8/21/john-boyd-dunlop.html|work=Dave Moulton's Blog|accessdate=9 January 2013|date=21 August 2007}} 2 : Bicycle parts|Valves |
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