joint ring

joint ring

[′jȯint ‚riŋ]
(design engineering)
A pipe-joint flange whose outside diameter is less than the diameter of the circle containing the connecting bolts and thus fits inside the bolts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Investigation also shows that neither of two overseas locations, San Diego in California and Johannesburg in South Africa, which have climates and vegetation similar to much of Australia, have reported root penetration problems with rubber ring jointed PVC pipe, despite their standards having no requirement for joint ring interface pressures.
Among the local pipe joint ring manufacturers, only Skellerup's Empire Rubber Mills commenced research on the subject, having recognized the need to develop rubber formulations immune to attack.
New joint ring forms were ordered to provide close-tolerance joints and to assure the production schedule could be met.
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