| Flange | n. [ Prov. E. flange to project, flanch a projection. See Flanch, Flank. ] 1. An external or internal rib, or rim, for strength, as the flange of an iron beam; or for a guide, as the flange of a car wheel (see Car wheel.); or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. Knight. [ 1913 Webster ] 2. A plate or ring to form a rim at the end of a pipe when fastened to the pipe. [ 1913 Webster ]
Blind flange, a plate for covering or closing the end of a pipe. --
Flange joint, a joint, as that of pipes, where the connecting pieces have flanges by which the parts are bolted together. Knight. --
Flange rail, a rail with a flange on one side, to keep wheels, etc. from running off. --
Flange turning, the process of forming a flange on a wrought iron plate by bending and hammering it when hot. [ 1913 Webster ]
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