3673057

Information

• Patent Grant
• 3673057

• References
• Source

• Patent Number

  3,673,057

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • B29D99/0089 - Producing honeycomb structures
  • B29D24/005 - the structure having joined ribs
  • B31D3/00 - Making articles of cellular structure
  • B32B3/12 - characterised by a layer of regularly- arranged cells
  • E04C2/32 - formed of corrugated or otherwise indented sheet-like material composed of such layers with or without layers of flat sheet-like material
  • E04C2/34 - composed of two or more spaced sheet-like parts
  • E04C2/3405 - spaced apart by profiled spacer sheets
  • E04C2002/3433 - with dimples extending from both sides of the spacer sheet
  • E04C2002/3483 - spaced apart by spacers stamped from the sheets
  • E04C2002/3494 - Apparatus for making profiled spacer sheets
  • Y10T156/1062 - Prior to assembly
  • Y10T428/24149 - Honeycomb-like

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 156 - Adhesive bonding and miscellaneous chemical manufacture