3702168

Information

• Patent Grant
• 3702168

• References
• Source

• Patent Number

  3,702,168

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1972
  52 years ago

• CPC

  • B65B51/18 - by endless bands or chains
  • B31B19/64 - by applying heat or pressure
  • B31B23/00 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs
  • B31B2219/142 - using tools mounted on belts or chains
  • B31B2219/6038 - using sealing jaws or sealing dies
  • B31B2219/6076 - using tools mounted on a drum
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content

• US Classifications

  • 226 - Advancing material of indeterminate length