3707422

Information

• Patent Grant
• 3707422

• References
• Source

• Patent Number

  3,707,422

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1972
  52 years ago

• CPC

  • 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
  • B31B2219/9045 - involving applying window patches
  • B31B2221/102 - obtained from essentially rectangular sheets
  • Y10T156/125 - Plural severing means each acting on a different work piece
  • Y10T156/1309 - and securing separate part over hole or aperture
  • Y10T156/1335 - Cutter also delivers cut piece
  • Y10T156/1339 - Delivering cut part in sequence to serially conveyed articles
  • Y10T156/1754 - At least two applied side by side to common base
  • Y10T156/1771 - Turret or rotary drum-type conveyor

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture