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公开(公告)号：US20200324928A1
公开(公告)日：2020-10-15
申请号：US16956298
申请日：2018-12-17
申请人： HAVER & BOECKER OHG
发明人： Klaus SIEWECKE , Willi VOLLENKEMPER
摘要： A packaging machine and method for filling bulk materials into packages with a rotatable machine frame and a plurality of circumferentially arranged filling spouts. During frame rotation, bulk materials are filled into packages. A machine silo is configured at the machine frame which has a storage volume for storing a quantity of bulk materials for filling a plurality of packages. Bulk materials are filled into the attributed packages from the silo through the filling spout. The machine silo is connected with a material supply with a controllable closing member for feeding bulk materials to the machine silo. A controller controls the closing member of the material supply dependent on the fill level to reduce the height of fall of the bulk materials being fed into the silo, or to avoid a free fall of the bulk materials during the feeding of bulk materials into the machine silo.
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公开(公告)号：US20210237388A1
公开(公告)日：2021-08-05
申请号：US17261447
申请日：2019-07-11
申请人： HAVER & BOECKER OHG
发明人： Willi VOLLENKEMPER
摘要： Apparatus for manufacturing an open-mouth bag of at least one layer of a flexible bag material, and method of manufacturing a bag by such apparatus. The apparatus includes a shaping device with a shaping box in the contour of the bag shape to be formed, with a top end and a bottom end, a conveying device for transporting the bag material along the shaping box, a closing device for joining the bag material along the shaping box to form a tube, and a closing station for generating a bag bottom, which is disposed beneath the bottom end of the shaping box. A partial vacuum device is configured to generate intermittently, a partial vacuum. When manufacturing a bag, the bag material is draped around the shaping box in the contour of the bag shape to be formed as continuous material and is joined to form a tube by the closing device.
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