3864446

Information

• Patent Grant
• 3864446

• References
• Source

• Patent Number

  3,864,446

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1975
  49 years ago

• CPC

  • B29D23/18 - Pleated or corrugated hoses
  • B29C33/306 - Exchangeable mould parts
  • B29C47/0828 - Die parts
  • B29C47/126 - using dies or die parts movable in a closed circuit
  • B29C49/0021 - using moulds or mould parts movable in a closed path
  • B29C49/48 - Moulds
  • B29C33/42 - characterised by the shape of the moulding surface
  • B29C47/0023 - Hollow rigid articles having only one tubular passage
  • B29C47/0033 - Articles having longitudinal irregularities
  • B29C49/22 - using multilayered preforms or parisons
  • B29C2793/0045 - Perforating
  • B29L2023/18 - Pleated or corrugated hoses
  • Y10S264/52 - Processes of making corrugated tubes for gas mask

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes