JPS62187718U - - Google Patents

Info

Publication number

JPS62187718U

JPS62187718U JP7454286U JP7454286U JPS62187718U JP S62187718 U JPS62187718 U JP S62187718U JP 7454286 U JP7454286 U JP 7454286U JP 7454286 U JP7454286 U JP 7454286U JP S62187718 U JPS62187718 U JP S62187718U

Authority

JP

Japan

Prior art keywords

backflow prevention

screw head

diameter portion

small diameter

prevention device

Prior art date

1986-05-20

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

• 230000002265 prevention Effects 0.000 claims description 19
• 238000001746 injection moulding Methods 0.000 claims description 4
• 239000012768 molten material Substances 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 238000002347 injection Methods 0.000 description 1
• 239000007924 injection Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1

Cited By (1)