Abstract: The invention relates to a belt, strap, conveyor belt (20) having a support fabric (2) in which at least one electrically conductive loop (4) is embedded. The conductive loop is sewn onto the support fabric (2), so that even conveyor belts (20) which have an extremely thin cover layer (22) can be provided with conductive loops.

Abstract: A large-area rubber molded piece (31) is produced by vulcanization in a heatable plate molding press. The rubber molded piece is provided with a plurality of projections (32) on its lower side and the press includes a plurality of mold cavities (14). An open mesh fabric (15) is placed on the mold cavities (14) for venting and covers all of the mold cavities. A plate of green rubber (17) is then placed upon the fabric (15). When the heatable plate molding press is closed and heated, the fabric (15) is penetrated by the plasticized green rubber and each mold cavity (14) is vented via the fabric. The fabric (15) is embedded in the rubber molded piece and becomes a part thereof.

Abstract: A pressure gas generating system including the compressor which is switched to a no-load condition when a predetermined pressure level is reached. The system employs either a regulator or a governor to allow the free exchange of gas between the suction chamber and the compression chamber to prevent the development of high temperatures. In the pressure regulator control system, the opening of the discharge valve is enlarged and is vented into the atmosphere by the pressure regulator so that the compressor continues to operate with reduced drive power and generates less heat during the no-load condition. In the pressure control system, the pressure discharge valve as well as the suction valve are opened during the no-load condition.

Abstract: A pressure gas generating system including the compressor which is switched to a no-load condition when a predetermined pressure level is reached. The system employs either a regulator or a governor to allow the free exchange of gas between the suction chamber and the compression chamber to prevent the development of high temperatures. In the pressure regulator control system, the opening of the discharge valve is enlarged and is vented into the atmosphere by the pressure regulator so that the compressor continues to operate with reduced drive power and generates less heat during the no-load condition. In the pressure control system, the pressure discharge valve as well as the suction valve are opened during the no-load condition.