Title:
UNDERLAY
Document Type and Number:
WIPO Patent Application WO/2022/145230
Kind Code:
A1
Abstract:
Provided is an underlay with which handwriting defects can be improved and handwriting learning ability can be enhanced. This underlay comprises: a plastic substrate 1; and a plurality of protrusions 2 which are formed close together in an equal interval dot pattern on at least one surface of the substrate 1. The plurality of protrusions 2 are formed at intervals and with a height that allows a writing instrument to scan therethrough. The plurality of protrusions 2 are formed on the substrate 1 by thick raised printing. The plurality of protrusions 2 are arranged in an equilateral triangle-shaped mesh-like dense array. The plurality of protrusions 2 are formed inward on the substrate 1 excluding an outer peripheral edge 1a. Each protrusion 2 is formed in a truncated cone shape.
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| JP2001191688 | DESK MAT |
Inventors:
TAKAHASHI JUNICHI (JP)
KAMOSHITA KENICHI (JP)
KODAMA TAKESHI (JP)
KANAYA KUNIHIRO (JP)
HIGASHIONNA TAKUYA (JP)
OGINO KEIJI (JP)
TAKAHASHI TOMONORI (JP)
TOZUKA KAYOKO (JP)
KAWASAKI MISAKI (JP)
KAMOSHITA KENICHI (JP)
KODAMA TAKESHI (JP)
KANAYA KUNIHIRO (JP)
HIGASHIONNA TAKUYA (JP)
OGINO KEIJI (JP)
TAKAHASHI TOMONORI (JP)
TOZUKA KAYOKO (JP)
KAWASAKI MISAKI (JP)
Application Number:
PCT/JP2021/046249
Publication Date:
July 07, 2022
Filing Date:
December 15, 2021
Export Citation:
Assignee:
OFFICE SUNNY CO LTD (JP)
International Classes:
B43L3/00
Domestic Patent References:
| WO2012086482A1 | 2012-06-28 |
Foreign References:
| JPS51112626A | 1976-10-05 | |||
| US8313329B2 | 2012-11-20 | |||
| JPS5989376U | 1984-06-16 | |||
| JP3205468U | 2016-07-28 |
Attorney, Agent or Firm:
SAKIMA Nobuhiro et al. (JP)
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