Abstract: A carrying apparatus (1) of an inspection unit for inspecting parameters of the parts which are produced by in injection molding, punching, deep-drawing or thermoforming machine and are transported through the inspection unit, having a carrying base element (2), having at least two carrying profiles (3), which are oriented parallel to one another, having at least two carrying ribs (4), which connect at least two carrying profiles (3) to one another, are arranged perpendicularly to the longitudinal axis of the carrying profiles (3) and are fastened on these carrying profiles, and also having at least two carrying plates (5), which are fastened on the at least two carrying ribs (4), wherein each carrying plate (5) is arranged at the ends (6) of at least two carrying ribs (4), and is assigned to one of the at least two carrying profiles (3), wherein the carrying apparatus (1) also has a transporting means (7) for the parts, the transporting means being fastened on at least two of the carrying plates (5).

Abstract: N-Benzoyl-N'-(2-phenylethyl)-piperazines of formula I ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 have the meanings as defined in the specification, and salts thereof, have analgesic properties and can be used as analgesic active ingredients in medicaments. They are prepared, for example, as follows: a compound of formula II ##STR2## wherein X.sub.1 is carboxy or reactive functionally modified carboxy, or a salt thereof, is reacted with a compound of formula III ##STR3## wherein X.sub.2 is hydrogen.