JPS6337571U - - Google Patents

Info

Publication number

JPS6337571U

JPS6337571U JP13175786U JP13175786U JPS6337571U JP S6337571 U JPS6337571 U JP S6337571U JP 13175786 U JP13175786 U JP 13175786U JP 13175786 U JP13175786 U JP 13175786U JP S6337571 U JPS6337571 U JP S6337571U

Authority

JP

Japan

Prior art keywords

head

molded

synthetic resin

opening

barrier

Prior art date

1986-08-28

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

• 238000007789 sealing Methods 0.000 claims description 6
• 230000004888 barrier function Effects 0.000 claims description 4
• 239000002184 metal Substances 0.000 claims description 4
• 229920003002 synthetic resin Polymers 0.000 claims 3
• 239000000057 synthetic resin Substances 0.000 claims 3
• 239000000463 material Substances 0.000 claims 2
• -1 polyethylene Polymers 0.000 claims 2
• 239000004698 Polyethylene Substances 0.000 claims 1
• 239000004743 Polypropylene Substances 0.000 claims 1
• 239000011888 foil Substances 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1
• 229920000573 polyethylene Polymers 0.000 claims 1
• 229920001155 polypropylene Polymers 0.000 claims 1
• 238000005096 rolling process Methods 0.000 claims 1

Cited By (2)