3756300

Information

• Patent Grant
• 3756300

• References
• Source

• Patent Number

  3,756,300

• Date Filed

  Not available

• Date Issued

  Tuesday, September 4, 1973
  51 years ago

• CPC

  • B29C51/00 - Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating
  • B29B13/023 - Half-products
  • B29C31/004 - Arrangements for converting the motion of a material which is continuously fed to a working station in a stepwise motion
  • B29C51/04 - Combined thermoforming and prestretching
  • B29C51/22 - rotatable about an axis
  • B29C51/424 - using a heated fluid
  • B65D29/04 - Net-like containers made of plastics material
  • B29C51/08 - Deep drawing or matched-mould forming
  • B29L2031/7128 - Bags, sacks, sachets
  • B29L2031/737 - Articles provided with holes

• US Classifications

  • 383 - Flexible bags
  • 264 - Plastic and nonmetallic article shaping or treating: processes