JPS6438125U - - Google Patents

Info

Publication number

JPS6438125U

JPS6438125U JP13151287U JP13151287U JPS6438125U JP S6438125 U JPS6438125 U JP S6438125U JP 13151287 U JP13151287 U JP 13151287U JP 13151287 U JP13151287 U JP 13151287U JP S6438125 U JPS6438125 U JP S6438125U

Authority

JP

Japan

Prior art keywords

punch

hollow

ceramic sleeve

outer periphery

utility

Prior art date

1987-08-31

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

• 238000001125 extrusion Methods 0.000 claims description 3
• 239000000919 ceramic Substances 0.000 claims description 2
• 239000011796 hollow space material Substances 0.000 claims description 2
• 239000000463 material Substances 0.000 description 2
• 230000037431 insertion Effects 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1