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1. (WO2013155610) SEGMENTED MOULD FOR CYLINDRICAL ARTICLES

Pub. No.:    WO/2013/155610    International Application No.:    PCT/CA2013/000378
Publication Date: Fri Oct 25 01:59:59 CEST 2013 International Filing Date: Fri Apr 19 01:59:59 CEST 2013
IPC: B29C 33/00
Applicants: TOP-CO INC.
Inventors: ANDRIGO, Gregory, J.A.
ANGEL, Rizalde, G.
Title: SEGMENTED MOULD FOR CYLINDRICAL ARTICLES
Abstract:
A mould assembly for forming cylindrical articles includes a base; a core mandrel mountable on the base and having a cylindrical outer surface; multiple sidewall segments mountable on the base to form a generally cylindrical shell surrounding and radially spaced from the mandrel; and retainer means to hold the sidewall segments' upper ends in position. The sidewall segments may have profile recesses formed into their inner surface for forming ribs or other features projecting from the article to be formed. The side edges of the sidewall segments may be parallel to or angled relative to the mandrel. A liquid moulding material may be poured into the annular space between the mandrel and the assembled sidewall sections to form the desired cylindrical article. After the moulding material has cured, the retainer means may be removed to release the sidewall segments and permit extraction of the moulded article.