JPH0216149U - - Google Patents

Info

Publication number

JPH0216149U

JPH0216149U JP9242888U JP9242888U JPH0216149U JP H0216149 U JPH0216149 U JP H0216149U JP 9242888 U JP9242888 U JP 9242888U JP 9242888 U JP9242888 U JP 9242888U JP H0216149 U JPH0216149 U JP H0216149U

Authority

JP

Japan

Prior art keywords

spring unit

pinerest

elastic material

exterior

springs

Prior art date

1988-07-14

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000013013 elastic material Substances 0.000 claims 2
• 239000004744 fabric Substances 0.000 claims 1
• 229920000642 polymer Polymers 0.000 claims 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
• 238000010586 diagram Methods 0.000 description 1