Patent ID: 6318445
Filing Date: 2001-11-20
Classification: B22D

Abstract:
A gathering system comprising:a cope mold portion having a top with an opening, a riser cavity aligned with the opening in the top and extending down from the top, a solid metal riser in the riser cavity and riser topping in the riser cavity between the solid metal riser and the top of the cope mold portion;a high-pressure air system;a capture hood for gathering material from the cope mold portion, the capture hood overlying at least part of the cope mold portion and including an ambient air entry, an ambient air exit, an ambient air flow path over the top of the cope mold portion, and a high pressure air outlet connected to the high pressure air system and positioned to deliver high pressure air into the riser cavity of the cope mold portion, the high pressure air outlet being separate from the ambient air exit;a collector;a duct system extending from the ambient air exit of the capture hood to the collector; andan air moving mechanism connected to at least one of the duct system and the collector for moving an ambient air stream into the ambient air entry of the capture hood, through the ambient air flow path over the top of the cope mold portion, through the ambient air exit of the capture hood, into the duct system and to the collector.