pideva töörežiimiga ahi, milles materjalide või toorikute transportimine toimub tõukuri abil (vt pidevtoimeahi), a type of continuous furnace in which part to be heated are periodically charged into the furnace in containers, which are pushed along the hearth against a line of previously charged containers thus advancing the containers toward the discharge end of the furnace, where they are removed (see: continuous furnace)