Patent ID: 7147457
Filing Date: 2006-12-12
Classification: B29C,B29K

Abstract:
1. An injection device used for example for blow molding hollow plastic bodies, comprising temperature-controllable blowing mandrels inserted in a blowing mandrel holder, the blowing mandrel holder having cylindrical recesses, in each of which a blowing mandrel is fixedly held, and the blowing mandrel holder and the blowing mandrels having respective channels, which communicate with one another in twos, in order to make possible a fluid circulation for controlling the temperature of the blowing mandrels, characterized by a two-part design of the blowing mandrel holder with a supporting bar and a holding bar, which can be joined onto each other and fastened and can be released from each other and each have an identical number of half-cylindrical recesses, which complement one another in the blowing mandrel holder to form cylindrical recesses, in each of which a blowing mandrel can be inserted when the supporting bar and the holding bar are released from each other and is fixedly held when the supporting bar and the holding bar are fastened on each other, and by connecting pieces in the form of cylindrical sleeves, which seal the fluid circulation with respect to a gap forming between the blowing mandrel and the supporting bar or the holding bar and also hold the blowing mandrel fixedly on the blowing mandrel holder.