Abstract: In a mail processing machine, a fixed mounting of an envelope turning station relative to an upstream stuffing station, and therefore a simple construction of the drive for the envelope turning station, can be achieved in that the items of goods for despatch to be turned through 180° are drawn by grippers of a gripper chain into the region of horizontally opening tongs of the envelope turning cylinder of the envelope turning station, in such a way that, in each case irrespective of the longitudinal format of the items of goods for despatch, the latter are gripped by the turning cylinder tongs over their entire length, for which purpose the gripper chain, together with the stuffing table supporting it, is designed to be displaceable with respect to the turning station in the conveying direction of the goods for despatch, in a manner dependent on the envelope format.

Abstract: In the case of an envelope-turning station with a turning cylinder which is oriented parallel to the mail-conveying direction and is equipped with openable and closable jaws on its circumference, it is possible, following charging of the turning-cylinder jaws with horizontally flat items of mail and rotation of the turning cylinder through 90° and/or 270°, for a mail removal arrangement to remove items of mail in the mail-conveying direction, in a state in which they are standing on one of their longitudinal edges, and to feed them to further processing or handling stations of a mail-processing installation.

Abstract: In an envelope-filling machine, a clear and simplified construction of the drive system is achieved for the enclosure-collating path, for the enclosure-feeding stations and for the parts of the envelope-filling station, in that a drive motor and a step-down gear mechanism, a bevel gear mechanism and a step-by-step motion linkage are arranged in a row along a main shaft which extends in the longitudinal direction of the machine and is arranged so as to be offset out of the region below the enclosure cassettes of the enclosure-feeding station, and the main shaft is guided through the step-down gear mechanism and the bevel gear mechanism as far as a coupling point for a crank mechanism in order to actuate a pivoting shaft which is common to the gripper arms of the enclosure-feeding stations.

Abstract: In an envelope-filling machine, a clear and simplified construction of the drive system is achieved for the enclosure-collating path, for the enclosure-feeding stations and for the parts of the envelope-filling station, in that a drive motor and a step-down gear mechanism, a bevel gear mechanism and a step-by-step motion linkage are arranged in a row along a main shaft which extends in the longitudinal direction of the machine and is arranged so as to be offset out of the region below the enclosure cassettes of the enclosure-feeding station, and the said main shaft is guided through the step-down gear mechanism and the bevel gear mechanism as far as a coupling point for a crank mechanism in order to actuate a pivoting shaft which is common to the gripper arms of the en the enclosure-feeding stations.

Abstract: In the case of an envelope-turning station with a turning cylinder which is oriented parallel to the mail-conveying direction and is equipped with openable and closable jaws on its circumference, it is possible, following charging of the turning-cylinder jaws with horizontally flat items of mail and rotation of the turning cylinder through 90° and/or 270°, for a mail removal arrangement to remove items of mail in the mail-conveying direction, in a state in which they are standing on one of their longitudinal edges, and to feed them to further processing or handling stations of a mail-processing installation.

Abstract: In an apparatus for process analysis, a test substance is removed from the process stream by a probe and fed to an analysis instrument with a measured value display. Upstream of the analysis instrument, the test gas is conveyed through condensers. A monitoring unit is coupled to the analysis instruments and the processing chain without influencing the flow of data from the analysis instrument to the measured value display. The monitoring unit receives information about the entire apparatus via status sensors which are incorporated into the processing chain and into the analysis instrument. Depending on this information, the monitoring unit can intervene via solenoid valves, switches and motor potentiometers into the apparatus and alter its operation. The condition of the apparatus can also be displayed.