expansion joints
1Expansion joint — For the railway specific expansion joints, see Breather switch. Expansion joint on a bridge An expansion joint or movement joint is an assembly designed to safely absorb the heat induced expansion and contraction of various construction materials …
2expansion adapter — noun A piece of laboratory apparatus used to connect equipment having ground glass joints of different sizes …
3double expansion joint — a double expansion joint consists of two bellows joined by a common connector which is anchored to some rigid part on the installation by means of an anchor base. The anchor base may be attached to the common connector either at installation or… …
4Thermal expansion — Thermodynamics …
5hinged expansion joint — a hinged expansion joint contains one bellows and is designed to permit angular rotation in one plane only, by the use of a pair of pins through hinge plates attached to the expansion joint ends. The hinges and hinge pins must be designed to… …
6internally guided expansion joint — an internally guided expansion joint is designed to provide axial guiding within the expansion joint by incorporating a heavy internal guide sleeve, with or without the use of bearing rings. The use of such expansion joints will assure… …
7universal expansion joint — a universal expansion joint is one containing two bellows joined by a common connector for the purpose of absorbing any combination of the three basic movements, i.e. axial movements, lateral deflection, and angular rotation. Universal expansion… …
8Woodworking joints — [ thumb|Pocket Hole Joinery being used to assemble a simple T Joint .] Joinery is that part of woodworking that involves joining together pieces of wood, to create furniture, structures, toys, and other items. Some wood joints employ fasteners,… …
9Track (rail transport) — Permanent way redirects here. For other uses, see Permanent way (disambiguation). Twin rail tracks in a wooded area …
10Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… …
