2865079

Information

• Patent Grant
• 2865079

• References
• Source

• Patent Number

  2,865,079

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1958
  66 years ago

• CPC

  • B28B21/88 - adjustable, collapsible or expansible
  • B28B21/20 - using inflatable cores
  • B29C49/44 - for applying pressure through the walls of an inflated bag
  • B29C43/12 - using bags surrounding the moulding material or using membranes contacting the moulding material
  • Y10S425/019 - Flexible fluid pressure
  • Y10S425/044 - Rubber mold

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 164 - Metal founding
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus