Forming a mouthpiece on a preform

Details Forming a mouthpiece on a preform Forming a mouthpiece on a preform

B - Operations, Transporting

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B23P 15/00 (2006.01) B29C 49/00 (2006.01) B29C 49/76 (2006.01) B29C 57/00 (2006.01) G10D 3/00 (2006.01)

Patent

CA 1139924

ABSTRACT The invention relates to a process for forming a mouthpiece on a preform when re-forming a preferably tubular blank consisting of thermoplastic material, which is intended for the production of a container, e.g. by blow moulding, whereby connecting means, such as a thread, which are adapted to a suitable form of closure of the container and/or serve to clamp the preform, are formed on the outside of this mouthpiece by inserting the blank between an outer mould section with a mould for the attach- ment surface of the connecting means and an inner mould section, whereupon a driven relative axial movement of the two mould sections relative to each other forces the material of the blank, in tightly enclosed manner, rad- ially outwards into the mould for the attachment surface, and an axial head cup is provided.

322499

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