threaded crown

См. также в других словарях:

• Crown block — A crown block is the stationary section of a block and tackle that contains a set of pulleys or sheaves through which the drill line (wire rope) is threaded or reeved and is opposite and above the traveling block. The combination of the traveling …   Wikipedia

• Bonwill crown — an artificial porcelain crown held to the tooth root by means of a threaded metal dowel extending through a hole in the porcelain, and upon which a nut is screwed …   Medical dictionary

• Drill line — …   Wikipedia

• Headset (bicycle part) — The headset is the set of components on a bicycle which provide a rotatable interface between the bicycle fork and the bicycle frame itself. The short tube through which the steerer of the fork passes is called the head tube. A typical headset… …   Wikipedia

• Barbell (piercing) — externally threaded barbell 14K gold barbells in front of 24K gold for color compari …   Wikipedia

• Closure (container) — For other uses, see Closure (disambiguation). An aluminum bottle with a threaded aluminum screw closure Closures are devices and techniques used to close or seal a bottle, jug, jar, tube, can, etc. Closures can be a cap, cover, lid, plug, etc.… …   Wikipedia

• Bicycle fork — A bicycle fork is the portion of a bicycle that holds the front wheel and allows the rider to steer and balance the bicycle. A fork consists of two dropouts which hold the front wheel axle, two blades which join at a fork crown , and a steerer or …   Wikipedia

• Skew arch — A skew arch (also known as an oblique arch) is a method of construction that enables an arch bridge to span an obstacle at some angle other than a right angle. This results in the faces of the arch not being perpendicular to its abutments and its …   Wikipedia

• Post and core — A post and core is a dental restoration used to sufficiently build up tooth structure for future restoration with a crown when there is not enough tooth structure to properly retain the crown, due to loss of tooth structure to either decay or… …   Wikipedia

• Catenane — [ thumbnail|230px|Schematic animation of the template directed synthesis of the bis bipyridinium cyclophane / paraphanylene crown ether [2] catenane described in the text.] A catenane is a mechanically interlocked molecular architecture… …   Wikipedia

• gasoline engine — Most widely used form of internal combustion engine, found in most automobiles and many other vehicles. Gasoline engines vary significantly in size, weight per unit of power generated, and arrangement of components. The principal type is the… …   Universalium