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The plumber wrench was invented in 1888 by the Swedish inventor named Johan Petter Johansson.It shares some principles with both the Stillson-pattern pipe wrench and the rigid pipe wrench, as well as various forms of adjustable pliers, such as the Vise Grip and "Channelock" tongue-and-groove plier.
Monkey wrench – a straight-jawed adjustable wrench similar to a pipe wrench and often confused with it; Nipple wrench (plumbing) – a pipe wrench that grabs the interior of a pipe, rather than the exterior; Plumber wrench – a wrench used for turning pipes and tightening hex nuts
An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
It was during the years in his workshop that he invented the adjustable spanner and the plumber wrench. In 1890, B.A. Hjorth & Company agreed to distribute his tools worldwide under the "Bahco" trademark. The Bahco tools are still in production, having over 100 million wrenches manufactured to date. [citation needed]
A large basin wrench Large basin wrench, with jaws oriented to apply torque in counter-clockwise direction. A basin wrench, sometimes called a sink wrench, is a plumbing tool which is used in confined spaces to turn fasteners and pipes that would be difficult or impossible to reach with a plumber wrench or other types of wrenches. [1]
He invented the modern plumber wrench (1888) and adjustable wrench (patents in 1891 and 1892). [ 1 ] In 1890 the company's sales and marketing rights for its products were acquired by the businessman Berndt August Hjorth (1862–1937), founder of BA Hjorth & Co .
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