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It is important that an air/smoke/fire control damper be capable of withstanding intense heat and/or air pressures which may impinge on either side of the damper for substantial periods of time, such as during a fire. Due to the extremeconditions to which such dampers are subjected, it is necessary to provide blade and frame constructions […]

The present invention relates generally to wind tunnel models. More particularly, the present invention is directed to a wind tunnel model design using rapid prototype components and a reinforcing strongback. Whether an airframe is a new design, modification of an existing design, or evaluation of a competing or foreign design, an accurate, high-confidence representation of […]

The present invention relates in general to a high pressure sodium lamp having an arc tube and sodium amalgam sealed in the arc tube, and in particular to a relationship between the arc tube structure and the amount of sodium amalgam sealed in the arc tube. In general, high pressure sodium lamps typically include a […]

This invention relates to an improved packing gland assembly for providing a gas-tight seal at the point where a damper blade shaft passes through the damper frame of a movable blade damper. One type of damper known to the art utilizes a peripheral frame which surrounds several movable damper blades. Each of the blades is […]

Sanitary repairs and bathroom fittings are the dreaded words that every home-owner fears. Their exorbitant prices and even costlier repairs are enough to put a dent on any household budget. Especially in UK, bathroom and sanitary wares are not only expensive but their installation is difficult as well. Reason for this is different plumbing systems […]