Patent ID: 7934922
Filing Date: 2011-05-03
Classification: B29C,B29L,Y10S

Abstract:
1. A device for moulding a plastic article in which the article is obtained by the compression of a quantity of plastic material in the molten state between two parts of a mould, comprising at least one supply of plastic material, a rod, slidable in a sleeve suitable for temporarily supporting said quantity of plastic material, a mould for a head of the article, and a mandrel cooperating with said mould, wherein the device comprises non-elastic retaining means that are designed for limiting the bidirectional displacement of the rod in the sleeve, wherein the non-elastic retaining means comprise means for retaining in an upper position and means for retaining in a lower position, and wherein the means for retaining in the lower position are formed by a stop arranged on a lower wall of a lateral orifice arranged on the sleeve and a lateral protuberance arranged on the rod, the lateral protuberance being slidably mounted in the lateral orifice.