JPH0193230U - - Google Patents

Info

Publication number

JPH0193230U

JPH0193230U JP18965387U JP18965387U JPH0193230U JP H0193230 U JPH0193230 U JP H0193230U JP 18965387 U JP18965387 U JP 18965387U JP 18965387 U JP18965387 U JP 18965387U JP H0193230 U JPH0193230 U JP H0193230U

Authority

JP

Japan

Prior art keywords

attached

riser pipe

rear end

end side

well point

Prior art date

1987-12-14

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 238000005266 casting Methods 0.000 claims 2
• 238000010276 construction Methods 0.000 claims 1
• 230000008878 coupling Effects 0.000 description 1
• 238000010168 coupling process Methods 0.000 description 1
• 238000005859 coupling reaction Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1