JPS62173446U - - Google Patents

Info

Publication number

JPS62173446U

JPS62173446U JP6116086U JP6116086U JPS62173446U JP S62173446 U JPS62173446 U JP S62173446U JP 6116086 U JP6116086 U JP 6116086U JP 6116086 U JP6116086 U JP 6116086U JP S62173446 U JPS62173446 U JP S62173446U

Authority

JP

Japan

Prior art keywords

hole

outer layer

recess

concrete

contact surface

Prior art date

1986-04-23

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

• 239000006260 foam Substances 0.000 claims 1
• 229920003002 synthetic resin Polymers 0.000 claims 1
• 239000000057 synthetic resin Substances 0.000 claims 1
• 238000010276 construction Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1