JPH0210088Y2 - - Google Patents

Info

Publication number

JPH0210088Y2

JPH0210088Y2 JP1985038933U JP3893385U JPH0210088Y2 JP H0210088 Y2 JPH0210088 Y2 JP H0210088Y2 JP 1985038933 U JP1985038933 U JP 1985038933U JP 3893385 U JP3893385 U JP 3893385U JP H0210088 Y2 JPH0210088 Y2 JP H0210088Y2

Authority

JP

Japan

Prior art keywords

helmet

window portion

buffer substrate

urethane home

window

Prior art date

1985-03-20

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

• 239000000463 material Substances 0.000 claims description 12
• JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 11
• 239000000758 substrate Substances 0.000 claims description 8
• 210000005069 ears Anatomy 0.000 claims description 6
• 238000010030 laminating Methods 0.000 claims description 3
• 210000003128 head Anatomy 0.000 description 2
• 210000000959 ear middle Anatomy 0.000 description 1
• 239000006260 foam Substances 0.000 description 1
• 239000006261 foam material Substances 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 239000010985 leather Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000009958 sewing Methods 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1