JPH0449064Y2 - - Google Patents

Info

Publication number

JPH0449064Y2

JPH0449064Y2 JP18609587U JP18609587U JPH0449064Y2 JP H0449064 Y2 JPH0449064 Y2 JP H0449064Y2 JP 18609587 U JP18609587 U JP 18609587U JP 18609587 U JP18609587 U JP 18609587U JP H0449064 Y2 JPH0449064 Y2 JP H0449064Y2

Authority

JP

Japan

Prior art keywords

male

female

cylinder

reinforcing plate

box

Prior art date

1987-12-07

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

• 230000003014 reinforcing effect Effects 0.000 claims description 23
• 230000037431 insertion Effects 0.000 description 4
• 238000003780 insertion Methods 0.000 description 4
• 239000000463 material Substances 0.000 description 2
• -1 polyethylene Polymers 0.000 description 2
• 229920003002 synthetic resin Polymers 0.000 description 2
• 239000000057 synthetic resin Substances 0.000 description 2
• 235000007516 Chrysanthemum Nutrition 0.000 description 1
• 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000004743 Polypropylene Substances 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920001155 polypropylene Polymers 0.000 description 1