2707985

Information

• Patent Grant
• 2707985

• References
• Source

• Patent Number

  2,707,985

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1955
  69 years ago

• CPC

  • B29C65/745 - using a single unit having both a severing tool and a welding tool
  • B29C65/18 - using heated tools
  • B29C65/305 - involving the use of cartridge heaters
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/81264 - Mechanical properties
  • B29C66/81427 - comprising a single ridge
  • B29C66/81457 - comprising a block or layer of deformable material
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/87445 - by introducing protection shields
  • B29C66/91212 - involving measurement means being part of the welding jaws
  • B29C66/91231 - of the joining tool
  • B29C66/91421 - of the joining tools
  • B29C66/91431 - the temperature being kept constant over time
  • B29C66/91641 - the heat or the thermal flux being non-constant over time
  • 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
  • B29C65/30 - Electrical means
  • B29C66/81422 - being convex
  • B29C66/919 - characterised by specific temperature, heat or thermal flux values or ranges
  • B29C66/961 - involving a feedback loop mechanism
  • B29K2995/007 - Hardness
  • B31B2237/10 - the bags having no structural provision at the base for thickness of content
  • B31B2237/60 - starting from tubular webs
  • Y10T156/1054 - and simultaneously bonding [e.g., cut-seaming]
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]
  • Y10T156/1715 - Means joining indefinite length work edge to edge

• US Classifications

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