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- Elastomeric Couplings
Non-Lubricated, Material-Flexing
Used in a Variety of Environments
- Grid Couplings
Steelflex Grid Couplings
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Dayton Superior Corporation is an American building materials and manufacturing company. It is a provider and [ 3 ] distributor of value-added, engineered products for the North American concrete construction industry. [ 4 ]
The SA3 coupler is one of the strongest couplers in the world – maximum tonnage of a train that uses this type of coupler is about 8000 t [31] – but provides only mechanical coupling. [24] Adding automatic electrical and pneumatic connectivity is a complex challenge.
Digital automatic coupling (DAC) is a type of railway coupling developed in the 2020's to replace the English buffers and chain couplings, initially in Europe. It resembles the Scharfenberg coupler with extra contacts to join electrical circuits (power, detection and control) and air hoses.
The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...
Type F interlocking couplers on upcoming PNR narrow-gauge flatcars. [37] Type H tightlock coupling on most PNR rolling stock starting with the 900 class. Link and pin couplers on the Hawaiian Philippine Company of Negros Island. [38] Older Manila Railroad stock also use link and pin alongside English couplers. Scharfenberg couplers on the MRT ...
Rebar coupler. Mechanical couplers can be advantageous in comparison with conventional methods of lap splicing because of the requirement for less steel for overlapping. It is more effective in the seismic detailing to avoid reinforcement congestion problems. [3] The couplers are also used in pre-cast construction. [4]