3315020

Information

• Patent Grant
• 3315020

• References
• Source

• Patent Number

  3,315,020

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1967
  57 years ago

• CPC

  • B29C47/14 - with broad opening
  • B29C47/0004 - characterised by the choice of material
  • B29C47/12 - Extrusion nozzles or dies
  • C08J5/18 - Manufacture of films or sheets
  • B29C47/0021 - Flat flexible articles
  • B29K2027/18 - PTFE, i.e. polytetrafluorethene
  • C08J2327/14 - Homopolymers or copolymers of vinyl fluoride
  • C08J2327/18 - Homopolymers or copolymers of tetrafluoroethylene
  • Y10S264/47 - Processes of splitting film, webs or sheets

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 524 - Synthetic resins or natural rubbers
  • 526 - Synthetic resins or natural rubbers