This article continues The Troubleshooter’s Rules of Thumb series. Bob Hatch is manager of technical service and customer support for Prime Alliance, the Des Moines-based resin distributor. Before ...

German extrusion blow mold maker fhw-moulds GmbH has developed a venting system for removing air from the molds at the corners, not the parting line. As the mold closes around the parison and it is ...