3527633

Information

• Patent Grant
• 3527633

• References
• Source

• Patent Number

  3,527,633

• Date Filed

  Not available

• Date Issued

  Tuesday, September 8, 1970
  54 years ago

• CPC

  • B65B65/04 - Mechanisms for converting a continuous rotary motion to intermittent rotary motion
  • B29C65/18 - using heated tools
  • B29C65/305 - involving the use of cartridge heaters
  • B29C66/0342 - Cooling
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/81419 - and flat
  • B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
  • B29C66/8181 - characterised by the cooling constructional aspects
  • B29C66/83533 - Cooperating jaws mounted on cooperating chains and moving in a closed path
  • B29C66/91212 - involving measurement means being part of the welding jaws
  • B29C66/91231 - of the joining tool
  • B29C66/93441 - the speed being non-constant over time
  • B31B19/10 - Feeding or positioning webs
  • B31B19/14 - and having means for cutting
  • 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
  • B65B9/13 - the preformed tubular webs being supplied in a flattened state
  • B29C66/0044 - using a separating sheet
  • B29C66/8122 - characterised by the composition of the material constituting the pressing elements
  • B29C66/83523 - Cooperating jaws mounted on cooperating bands or belts and moving in a closed path
  • B29C66/91421 - of the joining tools
  • B31B2219/022 - Feeding or positioning webs
  • B31B2219/14 - Cutting, perforating, punching, slitting, trimming
  • 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
  • B31B2237/60 - starting from tubular webs
  • Y10T156/12 - Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing

• US Classifications

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