Patent ID: 6485286
Filing Date: 2002-11-26
Classification: B29C,B29L

Abstract:
A molding apparatus for manufacturing corrugated pipes having at least two series of circulation mold jaw parts or mold blocks, each having a same pipe molding and at least one exchangeable mold jaw parts or mold blocks, having a marker section or a sleeve section, wherein the series are guided in respective circulation and/or pass round guides, the circulation mold jaw parts or mold blocks forming a closed circulating series, comprising at least one exchange member along at least one of the circulation and/or pass round guides of at least one of the mold jaw part or mold block series to exchange single circulation jaw parts or mold blocks, or single mold sections of circulation jaw parts or mold blocks,wherein a space is kept free for the single circulation jaw parts or mold blocks, or single mold sections of circulation jaw parts or mold blocks during an exchange process, wherein the exchange member comprises at least two chambers, each of said chambers having an entrance and an exit, and wherein the chambers can be exchanged with at least one exchangeable mold jaw parts or mold blocks of the series guided by the circulation and/or pass round guides.