3669064

Information

• Patent Grant
• 3669064

• References
• Source

• Patent Number

  3,669,064

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • D21H23/50 - Spraying or projecting
  • B31C11/00 - Machinery for winding paper or cardboard combined with other machinery
  • D21H17/33 - Synthetic macromolecular compounds
  • D21H17/60 - Waxes
  • D21H17/61 - Bitumen
  • D21H17/66 - Salts
  • D21H17/71 - Mixtures of material Pulp or paper comprising several different materials not incorporated by special processes
  • D21H23/30 - Pretreatment of the paper
  • Y10T156/1025 - to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact

• US Classifications

  • 118 - Coating apparatus
  • 156 - Adhesive bonding and miscellaneous chemical manufacture