Method for production of an apparatus for detection of the movement of a movable component

In a method for production of an apparatus for detection of the movement of a movable component, the apparatus having an inner part comprising a housing with an external contour in the form of a pillar;

• and wherein the apparatus includes conductor tracks that are fitted with electrical components and a sensor element, one of whose ends projects out of the inner part to form plug contacts, or one of whose ends form plug contacts;
• wherein the method provides that the inner part is extrusion coated with a plastic housing to enable the plug contacts to project into the interior of a plug holder in the plastic housing;
• in steps of the method, the inner part (1) is inserted into an injection mold, with those ends of the conductor tracks (3) which form the plug contacts (6) being held in a core (13) in order to produce the plug holder (5);
• an area of the inner part (1) which is opposite the plug contacts (6) is surrounded by a sleeve (14) which can be moved in the injection mold and whose circumferential external contour corresponds to an internal contour of the injection mold that is formed like a pillar in this area;
• wherein the apparatus has a guide element (15), and the sleeve (14) is guided for movement on the guide element (15), the guide element being coaxial with respect to the sleeve (14) and extending as a continuation of the conductor tracks (3);
• and wherein the end area of the inner part (1), which is opposite the plug contacts (6), is held by the sleeve (14) and/or by the guide element (15) in a nominal position in the injection mold;
• wherein, in further steps of the method, a plastic injection-molding compound (22) is fired into an area of the injection mold between the sleeve (14) and the plug holder (5);
• and
• the sleeve (14) is moved by a spraying pressure of a plastic injection-molding compound (22) against an opposing force after the area of the injection mold between the sleeve (14) and the plug holder (5) has been filled, the movement of the sleeve providing that the sleeve no longer surrounds the inner part (1), and that a holding connection of the inner part (1) to the sleeve (14) and/or to the guide element (15) is released.