Flange \Flange\ (fl[a^]nj), 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.
2. A plate or ring to form a rim at the end of a pipe when
fastened to the pipe.
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.
Source: Webster's Revised Unabridged Dictionary (1913)
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