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Tongue and groove joints allow two flat pieces to be joined strongly together to make a single flat surface. Before plywood became common, tongue and groove boards were also used for sheathing buildings and to construct concrete formwork. A strong joint, the tongue and groove joint is widely used for re-entrant angles
Tongue-and-groove pliers are commonly used for turning and holding nuts and bolts, gripping irregularly shaped objects, and clamping materials. It is also possible to rotate objects while keeping them in one position.
Matchboard by definition is "a board with a groove cut along one edge and a tongue along the other so as to fit snugly with the edges of similarly cut boards." [1]Bramble Cottage on Lundy Island, weathered cedar matchboarding in an exposed location
In 1933, Chief Engineer Howard Manning developed the tongue-and-groove, slip-joint pliers for which the company is known. In 1934, a patent for this design [5] was granted, and in 1949, a trademark for the name "Channellock" was granted, with a first-use date of May 1, 1932. [6]
the tenon tongue. The tenon, formed on the end of a member generally referred to as a rail, fits into a square or rectangular hole cut into the other, corresponding member. The tenon is cut to fit the mortise hole exactly. It usually has shoulders that seat when the joint fully enters the mortise hole.
Groove on a cylinder. In manufacturing or mechanical engineering a groove is a long and narrow indentation built into a material, generally for the purpose of allowing another material or part to move within the groove and be guided by it. Examples include:
39 in (990 mm) wainscoting using 3 in (76 mm) tongue and groove pine boards. Panelling (or paneling in the United States) is a millwork wall covering constructed from rigid or semi-rigid components. [1] These are traditionally interlocking wood, but could be plastic or other materials.
Chamferboards are an Australian form of weatherboarding using tongue-and-groove joints to link the boards together to give a ... Wikipedia® is a registered ...