joint rod

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joint rod, joint rule

A piece of metal, usually 2 to 24 in. (approx. 5 to 60 cm) long and 4 in. (10 cm) wide with a 45° angle cut at one end, used to form and shape mitered plaster joints in cornice work.
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References in periodicals archive ?
Originally designed for coupling with directional drills, air impactor hammers have been used with a variety of pullback systems including static pipebursting units utilizing torqued joint rods.
Because the HB80 uses torqued joint rods, it can utilize Air Impactor pipebursting tools for "Smart Hammer Technology," which allows the hammers to be used with a variety of pullback systems.

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