2232640

Information

• Patent Grant
• 2232640

• References
• Source

• Patent Number

  2,232,640

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1941
  83 years ago

• CPC

  • B29C66/137 - Beaded-edge joints or bead seals
  • B29C65/18 - using heated tools
  • B29C65/743 - using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
  • B29C66/004 - Preventing sticking together
  • B29C66/1122 - Single lap to lap joints
  • B29C66/43 - Joining a relatively small portion of the surface of said articles
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/91421 - of the joining tools
  • B29C66/919 - characterised by specific temperature, heat or thermal flux values or ranges
  • B31B19/64 - by applying heat or pressure
  • B29L2031/705 - Books, albums
  • B29L2031/7052 - Book covers
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/6046 - on piled sheets
  • Y10T156/1054 - and simultaneously bonding [e.g., cut-seaming]

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 053 - Package making
  • 206 - Special receptacle or package
  • 219 - Electric heating
  • 281 - Books, strips, and leaves
  • 412 - Bookbinding: process and apparatus
  • 493 - Manufacturing container or tube from paper