METHOD AND MACHINES FOR FILLING FLEXIBLE TUBULAR-BAG PACKAGES
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United States of America Patent
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Issued Date -
Apr 25, 2019
app pub date -
Apr 3, 2017
filing date -
May 2, 2016
priority date (Note) -
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Abstract
The invention relates to a tubular-bag machine and to a method for continuous or intermittent production of tubular-bag packages (02) which are filled with a product (03) in a tubular-bag machine (01) of this kind, the tubular-bag machine (01) comprising a screw-type metering device (10) in which a metering screw (OS) can be driven to rotate relative to a metering tube (06) for metering the product (03), and a compactor (07) by means of which the product (03) can be compacted by applying a vacuum and sucking out gas being provided ahead of, behind or within the metering tube (06), the compactor (07) comprising a suction bushing which is permeable to gas through fine pores and which extends coaxially with the metering tube (06), and at least part of the die suction bushing being surrounded by a vacuum chamber. By applying a vacuum, the pores of the suction bushing can be cleaned.
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