3503827

Information

• Patent Grant
• 3503827

• References
• Source

• Patent Number

  3,503,827

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • B29C66/8221 - Scissor or lever mechanisms
  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C65/7416 - the joining step and the severing step being performed at different pressures
  • 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
  • B29C66/436 - Joining sheets for making articles comprising cushioning or padding materials, the weld being performed through the cushioning material
  • B29C66/723 - being multi-layered
  • B29C66/727 - being porous
  • B29C66/7292 - coated
  • B29C66/80 - General aspects of machine operations or constructions and parts thereof
  • B29C66/81417 - being V-shaped
  • B29C66/8167 - Quick change joining tools or surfaces
  • B29C66/822 - Transmission mechanisms
  • B29C66/8242 - Pneumatic or hydraulic drives
  • B29C66/8324 - Joining or pressing tools pivoting around one axis
  • B29C66/92445 - by steps
  • B29C66/92651 - by using stops
  • B29C65/7441 - for making welds and cuts of other than simple rectilinear form
  • B29C66/81263 - Dielectric properties
  • B29C66/944 - by controlling or regulating the time

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 091 - Motors: expansible chamber type