3634182

Information

• Patent Grant
• 3634182

• References
• Source

• Patent Number

  3,634,182

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • B29C45/26 - Moulds
  • B29C51/02 - Combined thermoforming and manufacture of the preform
  • B29C51/04 - Combined thermoforming and prestretching
  • B29C51/10 - Forming by pressure difference
  • B29C2045/2695 - injecting articles with varying wall thickness
  • B29K2105/256 - Sheet, plate, blank, film
  • Y10T428/24479 - including variation in thickness
  • Y10T428/24777 - Edge feature
  • Y10T428/2495 - Thickness [relative or absolute]

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 220 - Receptacles
  • 264 - Plastic and nonmetallic article shaping or treating: processes