Patent ID: 8292612

Claim:
A mould base support for shaping a bottom of a bottle made of thermoplastic material, which mould base support comprises a base interposed between a mould base and a sliding bolster which is guided on a frame, of a mould carrier unit, along an axis of displacement of said mould base; wherein said base is made in the form of a dual-acting cylinder actuator comprising a cylinder containing a piston that has a rod which supports said mould base, and a base plate, which closes off said cylinder; wherein said base plate is provided with a finger arranged in a center of said base plate, on said axis, in order to cooperate with a locking mechanism on said bolster, and said base plate comprises, around said finger holes designed to allow a sealed passage of heat transfer and demoulding pipes which deliver a heat-transfer fluid and demoulding air to said mould base and zones for an attachment of feed pipes for chambers of said cylinder actuator, which heat transfer and demoulding pipes and feed pipes are all arranged parallel to said axis of displacement of said mould base; and wherein said bolster comprises arrangements, in the form of holes, or recesses, for allowing a passage of said heat transfer and demoulding pipes and said feed pipes.