JPH0233889Y2 - - Google Patents

Info

Publication number

JPH0233889Y2

JPH0233889Y2 JP8892285U JP8892285U JPH0233889Y2 JP H0233889 Y2 JPH0233889 Y2 JP H0233889Y2 JP 8892285 U JP8892285 U JP 8892285U JP 8892285 U JP8892285 U JP 8892285U JP H0233889 Y2 JPH0233889 Y2 JP H0233889Y2

Authority

JP

Japan

Prior art keywords

ring

groove

main body

hole

recess

Prior art date

1985-06-14

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 16
• 238000005507 spraying Methods 0.000 claims description 10
• 230000002093 peripheral effect Effects 0.000 claims description 7
• 239000007921 spray Substances 0.000 claims description 4
• 238000004891 communication Methods 0.000 description 6
• 239000003795 chemical substances by application Substances 0.000 description 4
• 239000011083 cement mortar Substances 0.000 description 2
• 230000008878 coupling Effects 0.000 description 2
• 238000010168 coupling process Methods 0.000 description 2
• 238000005859 coupling reaction Methods 0.000 description 2
• 239000011230 binding agent Substances 0.000 description 1
• 239000004568 cement Substances 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000012530 fluid Substances 0.000 description 1
• 239000004570 mortar (masonry) Substances 0.000 description 1