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Punching is a forming process that uses a punch press to force a tool, called a punch, through the workpiece to create a hole via shearing. Punching is applicable to a wide variety of materials that come in sheet form, including sheet metal , paper , vulcanized fibre and some forms of plastic sheet.
A punching bag (or British English punchbag) is a sturdy bag designed to be repeatedly punched. A punching bag is usually cylindrical and filled with various ...
A punch is a striking blow with the fist. It is used in most martial arts and combat sports , most notably western boxing , where it is the only type of offensive technique allowed. In sports, hand wraps or other padding such as gloves may be used to protect athletes and practitioners from injuring themselves.
A punching machine is a machine tool for punching and embossing flat sheet-materials to produce form-features needed as mechanical element and/or to extend static stability of a sheet section. According to the file, Richard Walsh, the county of Grayson, and the State of Texas had invented and applied for US patent in 1894. [1]
A push dagger (alternately known as a punch dagger, punch knife, push knife or, less often, a push dirk) is a short-bladed dagger with a "T" handle designed to be grasped and held in a closed-fist hand so that the blade protrudes from the front of the fist, either between the index and middle fingers or between the two central fingers, when the grip and blade are symmetrical.
Bolo punch: Occasionally seen in Olympic boxing, the bolo punch is an arm punch which owes its power to the shortening of a circular arc rather than to transference of body weight; it tends to have more of an effect due to the surprise of the odd angle it lands at rather than the actual power of the punch.
A prick punch is similar to a center punch but used for marking out. It has a sharper angled tip to produce a narrower and deeper indentation. The indentation can then be enlarged with a center punch for drilling. The tip of a prick punch is 60 degrees (the angle depends on what type of prick punch one is using). [1] It is also known as a dot ...
Some claim Planter's Punch was invented by bartender Jerry Thomas at the Planter's House Hotel in St. Louis, Missouri. [29] [30] The recipe for Planter's Punch varies, containing some combination of rum, lemon juice, pineapple juice, lime juice, orange juice, grenadine, soda water, curaçao, Angostura bitters, and cayenne pepper. [31]