Method for manufacturing a paper container
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United States of America Patent
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Apr 21, 2015
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N/A
app pub date -
Mar 22, 2010
filing date -
Apr 10, 2009
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Abstract
A process for realizing a container from a foldable sheet comprises stages of at least partially inserting a closure element made of paper material (extensible paper) provided with a base wall and a lateral wall internally of a housing chamber of the container. The lateral wall of the closure element is inserted and located at a portion of the wall of the container. Also comprised is a stage of contemporary deformation of the lateral wall of the closure element and the portion of wall of the container in order to realize corresponding grooves on the parts, destined to define coupling and decoupling surfaces by rotation between the closure element and the container. The use of extensible paper advantageously enables easy realization of the coupling grooves by rotation.
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