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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
The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...
Tongue Larssen - Tongue Larssens are up to 34 meters long and 80 centimeters wide. They have locks, which allow people to connect one profile to another vertically to create a sealed metal diaphragm wall. Transverse profiles can be in the shape of letters: S, Z, L or Ω where the trough can be of varying depth. [citation needed]
Tongue and groove; Zipper; In solid assemblies, the forces that can act can be diverse. Often, in addition to the relative shapes, there are other effects (friction, elastic forces, adhesives, etc.) that must be taken into account for correct operation. For example, two Lego pieces fit together with a little interference.
Milled log houses are constructed with a tongue-and-groove system which helps align one log to another and creates a system to seal out the elements. With the tight-pinned butt and pass method, the logs are not notched or milled in any way. They are in a single course and do not overlap; vertical pairs of logs are fastened with tight, load ...
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.
tongue and groove tread The part of a stair that is stepped on. treen Made entirely of wood, usually referring to small objects like bowls or utensils. true Something which is accurately placed, shaped, or sized. To "true up" two pieces of wood is to make them align. twist A longitudinal twisting of wood due to uneven seasoning or grain. See ...
Groove joint: Like the dado joint, except that the slot is cut with the grain. Sometimes referred to interchangeably with the dado joint. Tongue and groove: Each piece has a groove cut all along one edge, and a thin, deep ridge (the tongue) on the opposite edge. If the tongue is unattached, it is considered a spline joint. Birdsmouth joint
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