Importance

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Abstract

A machine for application of threaded caps on containers (C), comprising: a bottom stationary base (12); a first shaft (16) that extends upwards from the bottom stationary base (12), the first shaft (16) being rotatable with respect to the base (12) about a vertical axis (18) and being fixed in a vertical direction with respect to the base (12); a rotary structure (24) fixed to a top end of the first shaft (16) and designed to convey the containers to be capped (C) along a circular path; a second shaft (36) that extends upwards from the stationary base (12), the second shaft (36) being rotationally fixed with respect to the base (12) and being adjustable in a vertical direction with respect to the stationary base (12), wherein the second shaft (36) extends upwards beyond the top end of the first shaft (16), and wherein a top supporting flange (42) is fixed to the top end of the second shaft (36), the top supporting flange (42) bearing a drum cam (54); a plurality of screwing heads (58) carried by the rotary structure (24), each screwing head (58) comprising a vertically mobile support (59) that engages said drum cam (54) and a spindle (60) carried in a rotatable way by the respective vertically mobile support (59), each spindle (60) bearing at its bottom end an assembly for gripping the caps (80) provided with a movement of screwing; and an adjustment device (82), designed to adjust the vertical position of the second shaft (36) with respect to the stationary base (12).

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First Claim