3456540

Information

• Patent Grant
• 3456540

• References
• Source

• Patent Number

  3,456,540

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  55 years ago

• CPC

  • B29C65/18 - using heated tools
  • B26D1/04 - having a linearly-movable cutting member
  • B26F1/18 - Perforating by slitting
  • B29C65/7451 - the severing tool and the welding tool being movable with respect to one-another
  • B29C65/7457 - comprising a perforating tool
  • B29C66/4312 - for making flat seams in tubular or hollow articles
  • B29C66/83543 - cooperating flying jaws
  • B29C66/8362 - Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
  • B31B19/14 - and having means for cutting
  • B31B19/64 - by applying heat or pressure
  • B29C66/81465 - one placed behind the other in a single row in the feed direction
  • B29C2793/0045 - Perforating
  • B29L2031/7128 - Bags, sacks, sachets
  • B31B2219/14 - Cutting, perforating, punching, slitting, trimming
  • B31B2219/6038 - using sealing jaws or sealing dies
  • B31B2219/6076 - using tools mounted on a drum
  • Y10T83/476 - Including means to secure work to carrier
  • Y10T83/4763 - Both members of cutting pair on same carrier
  • Y10T83/803 - With plural anvils
  • Y10T83/9449 - Spaced cut forming tool
  • Y10T156/1304 - Means making hole or aperture in part to be laminated

• US Classifications

  • 083 - Cutting
  • 156 - Adhesive bonding and miscellaneous chemical manufacture