3721539

Information

• Patent Grant
• 3721539

• References
• Source

• Patent Number

  3,721,539

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • F27D1/16 - Making or repairing linings increasing the durability of linings or breaking away linings
  • B01J6/005 - Fusing
  • B28B1/54 - specially adapted for producing articles from molten material
  • C03B5/12 - in shaft furnaces
  • C03B17/02 - Forming molten glass coated with coloured layers; Forming molten glass of different compositions or layers; Forming molten glass comprising reinforcements or inserts
  • C03B19/01 - by progressive fusion or sintering of powdered glass onto a shaping substrate, i.e. accretion
  • C03C17/02 - with glass
  • E04B1/16 - Structures made from masses
  • E04B2/84 - Walls made by casting, pouring, or tamping in situ

• US Classifications

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