Valved sack filling equipment - has suction pipe with sieve retaining material connected alternately to compressed air supply

Ventilsackfuellvorrichtung fuer flugfaehiges fuellgut und verfahren zum betreiben der vorrichtung

Abstract

The valved sack filling equipment handles material easily blown away, having a filling spout with suction pipe, and a sieve over the end of the latter inside the sack. The mesh of the sieve (34) is such as to hold the material back, and the pipe (28) is connected alternately to a vacuum source and to a compressed-air supply. The end of the pipe inside the sack can form an annular chamber (27), whose outer wall is a cylindrical sieve. There can be a sensor (35) detecting the thickness of the material on the sieve, connected to valves (30, 33) controlling the vacuum and compressed-air supply, its end face (36) being in the plane of the sieve or parallel to it.

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Patent Citations (3)

    Publication numberPublication dateAssigneeTitle
    DE-1990794-UAugust 01, 1968Natronzellstoff Und Papierfabriken AgFüllröhre zum Füllen von Ventilsäcken
    DE-2058652-A1June 22, 1972Behn Verpackung ErwinVerfahren und Vorrichtung zum Entfernen der Luft aus einem Ventilsack
    DE-2431239-A1January 23, 1975American Air Filter CoSteuereinrichtung fuer den vorschub eines filtermaterials

NO-Patent Citations (0)

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Cited By (10)

    Publication numberPublication dateAssigneeTitle
    DE-2842499-A1April 10, 1980Babcock AgHubinsel
    DE-3230694-A1February 23, 1984Colgate Palmolive GmbhFilling nozzle for filling containers with powdered substances
    DE-9006258-U1August 23, 1990Haver & Boecker, 4740 Oelde, De
    EP-0092265-A2October 26, 1983CAR VENTOMATIC S.p.A.Deaerator for automatic bag filling machines for particulate materials
    EP-0092265-A3November 14, 1984Car Ventomatic S.P.A.Deaerator for automatic bag filling machines for particulate materials
    EP-0223216-A1May 27, 1987NATRONAG Gesellschaft für Verpackungssysteme mbHMachine de remplissage de sacs
    EP-0226057-A1June 24, 1987NATRONAG Gesellschaft für Verpackungssysteme mbHSackfüllmaschine
    EP-1860027-A2November 28, 2007Haver & Boecker oHGMethod and facility for filling containers, in particular for filling sacks
    EP-1860027-A3December 05, 2007Haver & Boecker oHGMethod and facility for filling containers, in particular for filling sacks
    FR-2491880-A1April 16, 1982Gascogne PapeteriesFilling adaptor for valved bulk storage sack - has semi-rigid inflatable sleeve mounted slidably on barrel section of filling conduit with air intake