2556011

Information

• Patent Grant
• 2556011

• References
• Source

• Patent Number

  2,556,011

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1951
  73 years ago

• CPC

  • B29D99/0089 - Producing honeycomb structures
  • B28B1/528 - for producing corrugated sheets
  • B29C53/285 - using rolls or endless bands
  • B29D24/005 - the structure having joined ribs
  • B31F1/305 - with sets of interengaging tools each secured to endless chains
  • E04C2/36 - spaced apart by transversely-placed strip material
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 028 - Textiles: manufacturing
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus