JPS63172497U - - Google Patents

Info

Publication number

JPS63172497U

JPS63172497U JP6627787U JP6627787U JPS63172497U JP S63172497 U JPS63172497 U JP S63172497U JP 6627787 U JP6627787 U JP 6627787U JP 6627787 U JP6627787 U JP 6627787U JP S63172497 U JPS63172497 U JP S63172497U

Authority

JP

Japan

Prior art keywords

synthetic resin

welded

small holes

upper sheet

sheet

Prior art date

1987-05-01

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

• UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
• 239000003929 acidic solution Substances 0.000 claims description 2
• 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
• 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
• 229920003002 synthetic resin Polymers 0.000 claims 2
• 239000000057 synthetic resin Substances 0.000 claims 2
• 230000002093 peripheral effect Effects 0.000 claims 1
• 238000003466 welding Methods 0.000 claims 1

Cited By (1)