3887414

Information

• Patent Grant
• 3887414

• References
• Source

• Patent Number

  3,887,414

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • B31B19/82 - Attaching windows
  • B31B21/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from sheets or blanks
  • B31B2219/9038 - Forming or attaching windows
  • B31B2221/10 - the bags having no structural provision at the base for thickness of content
  • Y10S493/919 - having window
  • Y10T156/1062 - Prior to assembly
  • Y10T156/1309 - and securing separate part over hole or aperture
  • Y10T156/1339 - Delivering cut part in sequence to serially conveyed articles
  • Y10T156/1741 - Progressive continuous bonding press [e.g., roll couples]

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 493 - Manufacturing container or tube from paper