EQUIPMENT AND METHOD FOR THE PRODUCTION OF CARDBOARD TUBES
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United States of America Patent
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Issued Date -
Dec 1, 2016
app pub date -
Jan 9, 2015
filing date -
Jan 9, 2015
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Abstract
Equipment for the production of cardboard tubes, comprising a tube-forming machine (1) provided with means for forming cardboard tubes with strips of cardboard (3) helically wound on a forming spindle (10), comprising a feeding unit (2) for feeding said cardboard strips, and comprising guide means (4) for guiding the cardboard strips (3) along a predetermined path (30, 31, 32) between the feeding unit (2) and the tube-forming machine (1), wherein in a final section (32) of said path the strips of cardboard (3) enter into the tube-forming machine (1). The guide means (4) are arranged and acting, along the said path, such that in said final section (32) of said path the cardboard strips (3) enter from the above or from the bottom into the tube-forming machine (1), so that said final section (32) is a descending or an ascending section of said path.
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