JPH018189Y2 - - Google Patents

Info

Publication number

JPH018189Y2

JPH018189Y2 JP1980163224U JP16322480U JPH018189Y2 JP H018189 Y2 JPH018189 Y2 JP H018189Y2 JP 1980163224 U JP1980163224 U JP 1980163224U JP 16322480 U JP16322480 U JP 16322480U JP H018189 Y2 JPH018189 Y2 JP H018189Y2

Authority

JP

Japan

Prior art keywords

school bag

back rest

outer skin

core material

ventilation

Prior art date

1980-11-13

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 10
• 239000011162 core material Substances 0.000 claims description 6
• 210000004243 sweat Anatomy 0.000 description 7
• 230000006866 deterioration Effects 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 208000008454 Hyperhidrosis Diseases 0.000 description 1
• 230000007847 structural defect Effects 0.000 description 1
• 208000013460 sweaty Diseases 0.000 description 1