STRETCHABLE ELASTIC SHEET

WIPO Patent Application WO/2020/195845

A1

Provided is a stretchable elastic sheet which has sufficient flexibility such as bendability and stretchability, can have a light weight and small thickness and size, can exhibit high elongation and low stress, can repeat three-dimensional deformation due to twist in a predetermined constant direction when stretched or contracted, has excellent restoration and robustness so as to endure repeated stretch/contraction and not to cause a degradation in stretchability, is hardly broken when stretched so as not to generate a reverse rotated position in the twisting direction, and has excellent durability.　This stretchable elastic sheet 1 has a plurality of repeated structure units U1, U2, … each of which is provided with, in a rubber elastic piece 10A, a through-slit and/or a through-hole 13a and a cut slit and/or a cut hole, and which are aligned side by side in series or aligned in series and in parallel in the stretching direction D, which is the longitudinal direction, wherein the repeated structure units U1, U2, … are non-symmetrical so as to extend to incline toward the same direction.

TAKEOKA SHINJI (JP)
FUJIE TOSHINORI (JP)
NAKANISHI TAKENORI (JP)
TAKAMI HIROSHI (JP)
AZUMA MASARU (JP)
MIHARA SYO (JP)

PCT/JP2020/010595

October 01, 2020

March 11, 2020

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ASAHI FR R&D CO LTD (JP)

H05K1/02; H05K1/09

JP2009259929A	2009-11-05
JPH06140727A	1994-05-20
JPH01135758U	1989-09-18
JP2015198103A	2015-11-09

SHINKYU PARTNERS P.C. (JP)

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