2794485

Information

• Patent Grant
• 2794485

• References
• Source

• Patent Number

  2,794,485

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1957
  67 years ago

• CPC

  • B29C65/18 - using heated tools
  • B29C65/7435 - the tool being a roller
  • B29C66/0044 - using a separating sheet
  • B29C66/1122 - Single lap to lap joints
  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C66/348 - Avoiding melting or weakening of the zone directly next to the joint area
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/4322 - by joining a single sheet to itself
  • B29C66/8122 - characterised by the composition of the material constituting the pressing elements
  • B29C66/8181 - characterised by the cooling constructional aspects
  • B29C66/81811 - of the welding jaws
  • B29C66/81821 - of the welding jaws
  • B29C66/83413 - cooperating rollers, cylinders or drums
  • B29C66/83417 - said rollers, cylinders or drums being hollow
  • B31B19/64 - by applying heat or pressure
  • B65B51/16 - by rotary members
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/8324 - Joining or pressing tools pivoting around one axis
  • B31B2219/6053 - Making seals parallel to the direction of movement
  • Y10T156/1054 - and simultaneously bonding [e.g., cut-seaming]
  • Y10T156/1313 - Cutting element simultaneously bonds [e.g., cut seaming]

• US Classifications

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