3214321

Information

• Patent Grant
• 3214321

• References
• Source

• Patent Number

  3,214,321

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1965
  59 years ago

• CPC

  • E04C2/3405 - spaced apart by profiled spacer sheets
  • B29C70/085 - the structure being deformed in a three dimensional configuration
  • B29C70/10 - characterised by the structure of fibrous reinforcements
  • B29C70/222 - the structure being shaped to form a three dimensional configuration
  • E04C2002/3422 - with polygonal dimples
  • E04C2002/3494 - Apparatus for making profiled spacer sheets
  • Y10S56/02 - Methods
  • Y10T156/1048 - to form dished or receptacle-like product
  • Y10T428/24661 - Forming, or cooperating to form cells
  • Y10T428/24678 - Waffle-form
  • Y10T428/2964 - Artificial fiber or filament

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 056 - Harvesters
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes