JPS61145522U - - Google Patents

Info

Publication number

JPS61145522U

JPS61145522U JP2891585U JP2891585U JPS61145522U JP S61145522 U JPS61145522 U JP S61145522U JP 2891585 U JP2891585 U JP 2891585U JP 2891585 U JP2891585 U JP 2891585U JP S61145522 U JPS61145522 U JP S61145522U

Authority

JP

Japan

Prior art keywords

styrofoam

sponge

helmet

leaf spring

supports

Prior art date

1985-02-28

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

• 229920006328 Styrofoam Polymers 0.000 claims description 3
• 239000008261 styrofoam Substances 0.000 claims description 3
• 239000004744 fabric Substances 0.000 claims 1
• 230000037431 insertion Effects 0.000 claims 1
• 238000003780 insertion Methods 0.000 claims 1
• 239000002649 leather substitute Substances 0.000 claims 1
• 230000002265 prevention Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1