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A common wrench with an adjustable jaw is called a crescent wrench. It features a movable jaw that allows the user to grip various sizes of nuts and bolts. This versatility makes it a popular tool in both professional and DIY settings. The name "Crescent" is actually a brand name that has become synonymous with this type of wrench.
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What is pipe spanner?
The pipe wrench (in the US), Stillson wrench or Stillsons (inthe UK) is an adjustable wrench used for turning soft iron pipes and fittings with a rounded surface. The design of the adjustable jaw allows it to lock in the diametre frame, in such away that any forward pressure on the handle tends to pull the jaws tighter together. Teeth angled in the direction of turn dig into the soft pipe. They are not intended for use on hardened steel hex nuts or other fittings because they would ruin the the flats cut on to the head. However, if a hex nut is soft enough that it becomes rounded beyond use with standard wrenches, a pipe wrench is sometimes used to break the bolt or nut free of its position
Who invented the adjustable spanner?
In many European countries (e.g. France, Germany, Spain and Italy) it is called an "English key" as it was invented in 1842 by the English engineer, Richard Clyburn. Improvements followed; on 22 September 1885, one Enoch Harris received US patent 326868 for his wrench that permitted both the jaw width and the angle of the handles to be adjusted and locked. Other countries, like Denmark and Israel, refer to it as a "Swedish key" as its invention has been attributed to the Swede, Johan Petter Johansson, who in 1891 received patent for an improved design of the adjustable spanner. Johansson's spanner was a further development on Clyburn's original "screw spanner". And in some countries (e.g. Hungary, Iran, Slovenia, Poland, Romania) it is called "French key".
What is a jaw crusher?
A Jaw Crusher is one of the most common types ofcrushing equipment. It is mainly used in crushing the material with compressive strength under 320Mpa. The jaw crusher is usually used in the field of mining, metallurgy, road & railway construction, water conservancy, chemical industry and so on.
How is pipe wrench size determined?
Pipe wrench size is determined by the nominal pipe size (NPS) it is designed to grip, which is generally expressed in inches. The size of a pipe wrench corresponds to the diameter of the pipe fittings it can accommodate, typically ranging from 8 inches to 48 inches in length for larger wrenches. Additionally, the jaw capacity, which indicates the maximum opening size, is a crucial factor in determining the appropriate wrench size for specific applications. Proper sizing ensures effective gripping and torque application without damaging the pipe.
What is the meaning of spanner?
One who, or that which, spans., The lock of a fusee or carbine; also, the fusee or carbine itself., An iron instrument having a jaw to fit a nut or the head of a bolt, and used as a lever to turn it with; a wrench; specifically, a wrench for unscrewing or tightening the couplings of hose., A contrivance in some of the ealier steam engines for moving the valves for the alternate admission and shutting off of the steam.
Definition of lever jaw wrench?
A lever jaw wrench is one with an adjustable jaw.
What are the domestic uses of an adjustable wrench?
An adjustable wrench is a wrench with an adjustable jaw, allowing it to sized to the fastener head that it is tightening or loosening. A main domestic use is with plumbing fixtures, either to tighten or replace them.
What do you call a wrench with adjustable jaws?
Adjustable crescent wrenches. one jaw is fixed to the handle, and the other adjusts
How can I effectively use an adjustable wrench?
To effectively use an adjustable wrench, first adjust the jaw size to fit the nut or bolt you are working on. Hold the wrench with the adjustable jaw facing towards the direction you need to turn. Place the jaw securely on the nut or bolt and turn the handle in the direction you need to tighten or loosen. Make sure to apply steady pressure and avoid over-tightening to prevent damage.
What is the description of an adjustable wrench?
An adjustable wrench is a tool with a movable jaw that can be adjusted to fit different sizes of nuts and bolts. It is commonly used for tightening or loosening fasteners in various applications.
What does a wrench look like?
A wrench typically has a long handle with a fixed or adjustable jaw at one end. The jaw is designed to grip nuts and bolts of various sizes. Wrenches come in different shapes and sizes, with some having a flat or ratcheting head.
What is a crescent wrench used for?
It is an adjustable spanner, an open ended spanner with a movable jaw allowing it to fit various sizes of nuts and bolts.
How to use an adjustable wrench effectively for various tasks?
To use an adjustable wrench effectively for various tasks, first adjust the jaw size to fit the nut or bolt you are working on. Hold the wrench at a 90-degree angle to the fastener and turn it in the direction you want to loosen or tighten. Make sure to apply steady pressure and avoid over-tightening to prevent damage.
What are the unit of measurement for the jaw opening in a metric wrench and uscs wrench?
What is the unit measurement for the jaw opening in metric rench and a USCS wrench
What is an alligator wrench?
An alligator wrench is a variety of pipe wrench with a flaring jaw with teeth on one side.
What does the wrench look like?
A wrench typically has a long, sturdy handle and a fixed or adjustable jaw at one end. The handle can be straight or slightly curved for better grip, while the jaw has a U-shaped opening designed to fit around nuts or bolts. Wrenches are usually made of metal and may have a shiny finish. Some may feature a textured grip or rubberized handle for added comfort and control.
What is the difference between a wrench and a pipe wrench in construction tools?
A wrench normally has a fixed size head. A pipe wrench has an expanding jaw and can fit a variety of sized pipes.
