JPS63145836U - - Google Patents

Info

Publication number

JPS63145836U

JPS63145836U JP3907987U JP3907987U JPS63145836U JP S63145836 U JPS63145836 U JP S63145836U JP 3907987 U JP3907987 U JP 3907987U JP 3907987 U JP3907987 U JP 3907987U JP S63145836 U JPS63145836 U JP S63145836U

Authority

JP

Japan

Prior art keywords

paper

thin paper

paper base

layer

thin

Prior art date

1987-03-17

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

• 239000000463 material Substances 0.000 claims description 2
• 239000011148 porous material Substances 0.000 claims description 2
• 239000010410 layer Substances 0.000 claims 2
• 239000000945 filler Substances 0.000 claims 1
• 239000012793 heat-sealing layer Substances 0.000 claims 1
• 238000010030 laminating Methods 0.000 claims 1
• 239000005022 packaging material Substances 0.000 claims 1
• 230000035699 permeability Effects 0.000 claims 1
• 230000001954 sterilising effect Effects 0.000 claims 1
• 238000004659 sterilization and disinfection Methods 0.000 claims 1
• 238000005303 weighing Methods 0.000 claims 1
• 238000007789 sealing Methods 0.000 description 1