Various embodiments relate to a rivet element supply unit for providing rivet elements, wherein the rivet element supply unit comprises a rivet element provision unit and a handling unit, wherein the rivet element provision unit for conveying the rivet elements comprises a spiral conveyor having a longitudinal axis and a spiral, which extends around the longitudinal axis, wherein the longitudinal axis is inclined to the direction of gravity, wherein the rivet element provision unit has a pick-up region to which the spiral conveyor supplies rivet elements and from which the handling unit picks up the rivet elements for transporting to a rivet element receptacle.

Various embodiments relate to a rivet element supply unit for providing rivet elements, wherein the rivet element supply unit comprises a rivet element provision unit and a handling unit, wherein the rivet element provision unit for conveying the rivet elements comprises a spiral conveyor having a longitudinal axis and a spiral, which extends around the longitudinal axis, wherein the longitudinal axis is inclined to the direction of gravity, wherein the rivet element provision unit has a pick-up region to which the spiral conveyor supplies rivet elements and from which the handling unit picks up the rivet elements for transporting to a rivet element receptacle.

An apparatus and method are described for inserting angle plates in transverse duct flanges. The apparatus is especially useful in inserting angle plates into transverse duct flanges of duct fittings. Packages for holding angle plates are also described.

An apparatus and method are described for inserting angle plates in transverse duct flanges. The apparatus is especially useful in inserting angle plates into transverse duct flanges of duct fittings. Packages for holding angle plates are also described.

An apparatus and method are described for inserting angle plates in transverse duct flanges. The apparatus is especially useful in inserting angle plates into transverse duct flanges of duct fittings. Packages for holding angle plates are also described.

A method for fastening or attaching an agricultural item of interest to a support structure includes housing one or more clips in a magazine, and moving a sliding arm, which is driven by a motor, between a retracted position and a deployed position to attach a clip, from among the one or more clips, to the agricultural item of interest and the support structure to fasten or attach the agricultural item of interest to the support structure.