Reinforced polygonal container made of glued corrugated laminar material, production method and machine for forming same
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United States of America Patent
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Sep 5, 2023
Grant Date -
Nov 5, 2020
app pub date -
Dec 24, 2018
filing date -
Jan 18, 2018
priority date (Note) -
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Abstract
The invention relates to a polygonal container comprising a tubular polygonal body (10) with an even number of flat faces (11) numbering more than four, which is formed by a strip of corrugated cardboard (19) rolled up at least two full turns and adhered to itself by means of lines of glue (30) transverse to the channels of the corrugated cardboard, forming a multilayer wall (13); a base body (20) defined by a base panel of cut and folded stiff double-faced corrugated cardboard (24) attached around an end portion of the tubular polygonal body (10). The method comprises forming the tubular polygonal body by means of rolling the strip of corrugated cardboard around a polygonal rotary drum (51) and subsequently attaching to a base body (20).
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