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Title:
CUSHION MATERIAL, PACKAGE CUSHIONING DEVICE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/161910
Kind Code:
A1
Abstract:
This cushion material (40) is formed from a biodegradable sheet. In addition, in the cushion material (40), polygonal-shaped cushioning parts (100) are arranged in a zigzag shape, and polygonal-shaped open holes (1011) are formed in a region surrounded by the plurality of cushioning parts (100). In addition, the cushion material (40) is bent at three or more parallel lines (1016, 1017, 1018) of the respective cushioning parts (100) and forms a bellows structure that bends and extends in the load direction due to the bending of a boundary line (1019) between the adjacent cushioning parts (100).

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Inventors:
HATTORI YUMA (JP)
Application Number:
PCT/JP2021/004292
Publication Date:
August 19, 2021
Filing Date:
February 05, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B65D81/03
Foreign References:
JP2016155601A2016-09-01
JPH07502718A1995-03-23
CN110342077A2019-10-18
CN202244644U2012-05-30
US20170360589A12017-12-21
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
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