Disclosed is a solvent composition for silicone compounds, containing 1-chloro-3,3,3-trifluoropropene, or a solvent composition for silicone compounds, containing 1-chloro-3,3,3-trifluoropropene and a compound made up of at least one selected from the group consisting of 1,1,2,2-tetrafluoro-1-methoxyethane, 1,1,1,3,3-pentafluorobutane, and 1,1,2,2-tetrafluoro-1-ethane. In order to be able to produce such a segmented, elastic coupling at the lowest possible costs, it is proposed, with the invention, that the coupling segment is cut out from the coupling body by means of water jet cutting, wherein the water jet cuts the elastomer body and, at the same time, at least one of the two connection flanges. Further, the gear unit includes a first gear shaft connected to the upper plate and a second gear shaft connected to the lower plate, a first gear provided in the first gear shaft, a first gear provided in the second gear shaft, and a gear mechanism that synchronizes and rotates the first gear shaft and the second gear shaft. The per unit amount of the liquid material placed in the secondary area is smaller than the per unit amount of the liquid material deposited in the wiring formation area.