US Patent No: 4,579,154

Number of patents in Portfolio can not be more than 2000

Sacking connection for filling open-top sacks with dusty products

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Importance

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Abstract

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A sacking connection for filling sacks that are open at the top with dusty products has two spreading flaps that can be pivoted around horizontal axes. Clamping jaws can be pivoted around horizontal axes and hold the edge of the opening of the sack against the spreading flaps. The front of the spreading flaps are connected by dustproof aprons made of a flexible material and fastened in the vicinity of the side edges of the flaps. When folding-sided sacks are filled, a folding device that can be displaced along with its functions of folding from outside the sacking connection into the space inside the sacking connection is associated with each apron. When flat sacks are filled, a spreading device that can be displaced outward from inside along with its functions of spreading is associated with each apron. The functions of folding or of spreading connect the edge of the sack opening with the aprons to prevent dust from building up on the inside of the edge of the opening of the sack.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HAVER & BOECKEROELDE12
HAVER & BOECKER CARL-HAVER-PLATZ A CORP OF GERMANYOELDE 11

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muller, Mathias Wiesloch-Baiertal, DE 10 83

Cited Art Landscape

Patent Info (Count) # Cites Year
 
KOEHRING GMBH (1)
4,305,252 Centering and cooling equipment for a hydraulic vibration generator 1 1979

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
GIRO GH, S.A. (2)
7,100,658 Machine for manufacturing, filling and closing mesh bags from a continuous roll of tubular mesh 1 2004
7,396,323 Folding blade 0 2006
 
CHRONOS HOLDING LIMITED (1)
5,301,492 Bag clamping device 8 1992
 
Container Corporation of America (1)
4,872,493 Apparatus for filling a lined container 30 1988
 
GIRNET INTERNACIONAL, S.L. (1)
RE42176 Machine for manufacturing, filling and closing mesh bags from a continuous roll of tubular mesh 0 2008
 
GRIFFIN FILTERS, LLC (1)
5,345,982 Adjustable hood assembly 5 1992
 
OPTIROC OY AB (1)
5,501,254 Apparatus for filling a sack with a flowable material 7 1994
 
Windmoller & Holscher (1)
5,005,341 Apparatus for filling sacks 7 1989

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