3585907

Information

• Patent Grant
• 3585907

• References
• Source

• Patent Number

  3,585,907

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1971
  53 years ago

• CPC

  • B31B19/84 - Forming valves or applying valve inserts
  • B31B19/36 - by continuously feeding same to stationary members
  • 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
  • B31B2219/2627 - by continuously feeding same to stationary members
  • B31B2219/269 - involving gusset-forming
  • B31B2219/9067 - Applying patches or flexible valve inserts
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/403 - the bags having their openings facing in the direction of movement
  • Y10S493/929 - with valve

• US Classifications

  • 493 - Manufacturing container or tube from paper