JPH0237398Y2 - - Google Patents

Info

Publication number

JPH0237398Y2

JPH0237398Y2 JP1677185U JP1677185U JPH0237398Y2 JP H0237398 Y2 JPH0237398 Y2 JP H0237398Y2 JP 1677185 U JP1677185 U JP 1677185U JP 1677185 U JP1677185 U JP 1677185U JP H0237398 Y2 JPH0237398 Y2 JP H0237398Y2

Authority

JP

Japan

Prior art keywords

exterior body

exterior

bodies

spring unit

inner cloth

Prior art date

1985-02-08

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

• 239000004744 fabric Substances 0.000 claims description 24
• 230000002093 peripheral effect Effects 0.000 claims description 17
• 239000000463 material Substances 0.000 claims description 12
• 238000009958 sewing Methods 0.000 claims description 4
• JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 4
• 239000006260 foam Substances 0.000 description 4
• 239000013013 elastic material Substances 0.000 description 3
• 238000007665 sagging Methods 0.000 description 2
• 229920000742 Cotton Polymers 0.000 description 1
• 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
• 235000011613 Pinus brutia Nutrition 0.000 description 1
• 241000018646 Pinus brutia Species 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 210000003746 feather Anatomy 0.000 description 1
• 239000000945 filler Substances 0.000 description 1