Patent ID: 8038434
Filing Date: 2011-10-18
Classification: B22F,B29C,B29K,B29L,B33Y

Abstract:
1. Mould for moulding bottle preforms, said mould comprising at least two die parts, each die part comprising a recess delimited by a forming surface so shaped as to form a neck portion of a bottle preform, each die part further comprising a conduit arrangement through which a cooling fluid can flow, said conduit arrangement comprising a curved portion which surrounds said recess, an inlet conduit having a supply portion which leads into said curved portion and an outlet conduit having a discharge portion which leaves said curved portion so as to define a path for said cooling fluid, said path extending from said supply portion to said discharge portion, said curved portion having a first end into which said supply portion terminates and a second end from which said discharge portion starts, wherein said curved portion, a length of said inlet conduit at said supply portion and a length of said outlet conduit at said discharge portion are so arranged as to be intercepted by a common plane that contains said path, said curved portion being intercepted by said common plane from said first end to said second end, and wherein said conduit arrangement comprises a further curved portion that surrounds said recess.