3487755

Information

• Patent Grant
• 3487755

• References
• Source

• Patent Number

  3,487,755

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1970
  55 years ago

• CPC

  • B65B7/08 - and folding
  • B29C65/18 - using heated tools
  • B29C66/0044 - using a separating sheet
  • B29C66/1122 - Single lap to lap joints
  • B29C66/431 - Joining the articles to themselves
  • B29C66/43121 - Closing the ends of tubular or hollow single articles
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B31B19/60 - and having means for uniting opposed surfaces or edges, or for taping
  • B65B7/04 - by tucking-in mouth portion to form two flaps and subsequently folding-down
  • B29C66/8122 - characterised by the composition of the material constituting the pressing elements
  • B31B2219/29 - Closing bags
  • Y10T156/16 - Surface bonding means and/or assembly means with bond interfering means [slip sheet, etc. ]

• US Classifications

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