Abstract: A housing for storing disc-shaped information carriers, for example CD's, has a central part (14), two identical lid parts (10, 11), and a support plate (15) which extends from the central part and is situated between the lid parts. In order to increase the available space within the housing, the support plate (15) is flat on both sides and is asymmetrically positioned between the lid parts (10, 11) so as to form two spaces (17, 18) of different sizes between the lid parts and opposite sides of the support plate. Such spaces can accommodate information leaflets of different thickness.

Abstract: A housing with a retaining device is arranged on a base plate and comprises clamping studs which are arranged in a circle, which are radially resilient, and which have clamping surfaces facing radially outwards for gripping into a central opening of at least one disc-shaped information carrier, for example a CD. To avoid a destruction of the clamping elements in the case of impacts, rigid support studs with support surfaces facing radially outwards are provided between the clamping studs, and the diameter of the support surfaces arranged in a circle is somewhat smaller than the diameter of the central opening of the information carrier.

Abstract: A housing for storing a stack of at least two information discs such as CDs includes a central retaining device for engaging and securely fastening each of the discs. The retaining device consists of a plurality of clamping studs arranged in a circle, and with respective groups of studs being in respective planes, each such plane being for a respective disc. The studs are resilient in the radial direction and those in a given group engage the central opening of the disc to be stored in the relevant plane.

Abstract: The invention relates to a two-stage injection-molding machine with a fixed mold plate, a movable mold plate and a two-part intermediate assembly, arranged to be movable between said plates, and with a supply of injection-molding material for the intermediate assembly to supply the stages formed between the intermediate assembly and the mold plates with injection-molding material. In order to simplify the production of injection-molded parts of different colors in one and the same injection-molding process it is proposed, in accordance with the invention, that for each stage there has been provided a separate supply of injection-molding material via a separate main channel. In addition to the free choice of the color for each stage, it is possible to use various types of plastic per stage in one and the same injection-molding process.