CORRUGATION-CRIMPED PACKAGE OF PAPER MATERIAL

Title:

CORRUGATION-CRIMPED PACKAGE OF PAPER MATERIAL

Document Type and Number:

WIPO Patent Application WO/2023/047967

Kind Code:

A1

Abstract:

This package is formed by sandwiching a commodity (G) between single-faced corrugated cardboards (1), that is, paper materials disposed along the vertical direction, and by crimping the paper materials together along respective peripheral edge parts (2, 3) thereof, wherein: edge parts (2) of at least two facing sides of the single-faced corrugated cardboards (1) are corrugation-crimped to form a corrugated shape in a thickness direction of the single-faced corrugated cardboards (1); and a size difference between the length L1 of a bent portion of the single-faced corrugated cardboards (1) formed when the commodity (G) is sandwiched therebetween and a flat-bonding length (virtual linear distance) L2 obtained when the edge parts (2) are bonded virtually flat in said direction is absorbed by the corrugation-crimping such that a vertical gap between the single-faced corrugated cardboards (1) at the edge parts (2) is eliminated.

Inventors:

KAJIZUKA TAKASHI (JP)
TONOOKA HIDETOSHI (JP)
FUJITANI KEIICHI (JP)
MORI TAKUYA (JP)

Application Number:

PCT/JP2022/033673

Publication Date:

March 30, 2023

Filing Date:

September 08, 2022

Export Citation:

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Assignee:

RENGO CO LTD (JP)

International Classes:

B65D75/30; B65B9/02; B65B11/50; B65D75/08

Foreign References:

JP2010116182A	2010-05-27
JP2005225523A	2005-08-25
JP2012020776A	2012-02-02
JP2011031892A	2011-02-17
JP2006103722A	2006-04-20
JP2010116182A	2010-05-27