Bulk-solid metering system with laterally removable feed hopper
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United States of America Patent
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May 27, 2003
Grant Date -
Aug 30, 2001
app pub date -
Feb 10, 1999
filing date -
Feb 10, 1999
priority date (Note) -
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Abstract
A bulk-solid metering system has a support structure. A feed hopper is mounted with respect to the structure and has an upper edge. In the improvement, the structure includes an upper member and the upper edge is below such upper member. The structure defines a lateral opening sized and shaped to permit the feed hopper to be withdrawn laterally through the opening. The feed hopper includes a spout extending therefrom. In a highly preferred embodiment, the lateral opening is positioned to permit withdrawal of the feed hopper in a direction away from the spout. The feed hopper is configured to promote very good mass flow as well as to permit agitation in that, in one embodiment, it has a body made of flexible material. There is a hopper upper flange and the spout is spaced below such flange. The body has a first cross-sectional shape, e.g., circular, adjacent to the upper flange and has a second cross-sectional shape, e.g., ellipse-like, intermediate the upper flange and the spout.
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