JPH0226517U - - Google Patents

Info

Publication number

JPH0226517U

JPH0226517U JP8407289U JP8407289U JPH0226517U JP H0226517 U JPH0226517 U JP H0226517U JP 8407289 U JP8407289 U JP 8407289U JP 8407289 U JP8407289 U JP 8407289U JP H0226517 U JPH0226517 U JP H0226517U

Authority

JP

Japan

Prior art keywords

plate

sponges

cushioning material

base plate

recess

Prior art date

1989-07-19

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

• 239000000463 material Substances 0.000 claims 3
• 229920003002 synthetic resin Polymers 0.000 claims 2
• 239000000057 synthetic resin Substances 0.000 claims 2
• 230000002093 peripheral effect Effects 0.000 claims 1
• 230000000379 polymerizing effect Effects 0.000 claims 1
• 230000003014 reinforcing effect Effects 0.000 claims 1
• 229920003051 synthetic elastomer Polymers 0.000 claims 1
• 239000005061 synthetic rubber Substances 0.000 claims 1
• 238000009423 ventilation Methods 0.000 claims 1
• 230000002787 reinforcement Effects 0.000 description 1