3646186

Information

• Patent Grant
• 3646186

• References
• Source

• Patent Number

  3,646,186

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  53 years ago

• CPC

  • B29D11/00711 - by shrinking the sleeve or cladding onto the core
  • B29C47/02 - incorporating preformed parts or layers
  • B29C47/28 - Cross-head annular extrusion nozzles
  • G02B6/02033 - Core or cladding made from organic material
  • G02B6/04 - formed by bundles of fibres
  • G02B6/4486 - protective covering
  • B29C47/0014 - Filamentary-shaped articles

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 385 - Optical waveguides
  • 425 - Plastic article or earthenware shaping or treating: apparatus