JPH01125777U - - Google Patents

Info

Publication number

JPH01125777U

JPH01125777U JP2336488U JP2336488U JPH01125777U JP H01125777 U JPH01125777 U JP H01125777U JP 2336488 U JP2336488 U JP 2336488U JP 2336488 U JP2336488 U JP 2336488U JP H01125777 U JPH01125777 U JP H01125777U

Authority

JP

Japan

Prior art keywords

engaging

core material

crawler

thin film

protrusions

Prior art date

1988-02-23

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

• 239000011162 core material Substances 0.000 claims description 5
• 239000010409 thin film Substances 0.000 claims description 3
• 239000013013 elastic material Substances 0.000 claims 1
• 238000012986 modification Methods 0.000 description 2
• 230000004048 modification Effects 0.000 description 2
• 230000002093 peripheral effect Effects 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 1