3520962

Information

• Patent Grant
• 3520962

• References
• Source

• Patent Number

  3,520,962

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1970
  54 years ago

• CPC

  • B29C31/004 - Arrangements for converting the motion of a material which is continuously fed to a working station in a stepwise motion
  • B29C51/00 - Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating
  • B29C51/04 - Combined thermoforming and prestretching
  • B29C51/422 - to produce a temperature differential
  • B29C51/08 - Deep drawing or matched-mould forming
  • B29C51/10 - Forming by pressure difference
  • B29L2031/22 - Hinges, pivots
  • B29L2031/712 - Containers; Packaging elements or accessories, Packages
  • B29L2031/7416 - for cigars or cigarettes

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 065 - Glass manufacturing
  • 425 - Plastic article or earthenware shaping or treating: apparatus