JPH0531935Y2 - - Google Patents
Info
- Publication number
- JPH0531935Y2 JPH0531935Y2 JP1497490U JP1497490U JPH0531935Y2 JP H0531935 Y2 JPH0531935 Y2 JP H0531935Y2 JP 1497490 U JP1497490 U JP 1497490U JP 1497490 U JP1497490 U JP 1497490U JP H0531935 Y2 JPH0531935 Y2 JP H0531935Y2
- Authority
- JP
- Japan
- Prior art keywords
- elastic material
- school bag
- center
- air
- space
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000013013 elastic material Substances 0.000 claims description 21
- 210000000278 spinal cord Anatomy 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000011162 core material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1497490U JPH0531935Y2 (en]) | 1990-02-16 | 1990-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1497490U JPH0531935Y2 (en]) | 1990-02-16 | 1990-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03105321U JPH03105321U (en]) | 1991-10-31 |
| JPH0531935Y2 true JPH0531935Y2 (en]) | 1993-08-17 |
Family
ID=31518311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1497490U Expired - Lifetime JPH0531935Y2 (en]) | 1990-02-16 | 1990-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531935Y2 (en]) |
-
1990
- 1990-02-16 JP JP1497490U patent/JPH0531935Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03105321U (en]) | 1991-10-31 |
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