3490973

Information

• Patent Grant
• 3490973

• References
• Source

• Patent Number

  3,490,973

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • B29D99/0003 - Producing profiled members
  • B29C49/44 - for applying pressure through the walls of an inflated bag
  • B29C53/24 - of plates or sheets
  • B29C70/50 - for producing articles of indefinite length
  • B29C70/521 - and impregnating the reinforcement before the die
  • B29C70/525 - Component parts, details or accessories; Auxiliary operations
  • B29D24/002 - formed with structures
  • B29C43/12 - using bags surrounding the moulding material or using membranes contacting the moulding material
  • B29C2049/0063 - whereby the folded sheets or the two parallel sheets are separated from each other at least at one place
  • B29K2105/06 - containing reinforcements, fillers or inserts
  • B29L2023/22 - Tubes or pipes
  • B29L2031/601 - Multi-tubular articles
  • Y10T156/1025 - to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
  • Y10T428/24149 - Honeycomb-like
  • Y10T428/24744 - Longitudinal or transverse tubular cavity or cell

• US Classifications

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