JPS63177384U - - Google Patents

Info

Publication number

JPS63177384U

JPS63177384U JP6932587U JP6932587U JPS63177384U JP S63177384 U JPS63177384 U JP S63177384U JP 6932587 U JP6932587 U JP 6932587U JP 6932587 U JP6932587 U JP 6932587U JP S63177384 U JPS63177384 U JP S63177384U

Authority

JP

Japan

Prior art keywords

packing

plug

ring

joint

rib

Prior art date

1987-05-08

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

• 238000012856 packing Methods 0.000 claims description 15
• 238000003780 insertion Methods 0.000 claims description 2
• 230000037431 insertion Effects 0.000 claims description 2
• 230000000694 effects Effects 0.000 claims 2
• 230000002093 peripheral effect Effects 0.000 claims 2
• 229910000831 Steel Inorganic materials 0.000 description 1
• 239000010959 steel Substances 0.000 description 1