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Melting the raw material
  • C03B1/00
  • Preparing the batches HB CC 4G014
  • C03B3/00
  • Charging the melting furnaces HB CC 4G014
  • C03B5/00
  • Melting in furnaces; Furnaces so far as specially adapted for glass manufacture HB CC 4G014
  • C03B7/00
  • Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob HB CC 4G020

  • C03B8/00
  • Production of glass by other processes than melting processes (C03B 37/014 takes precedence; preparation of finely divided silica, in general C01B 33/18) [4] HB CC 4G014
    Shaping of glass
  • C03B9/00
  • Blowing glass; Production of hollow glass articles HB CC 4G020
  • C03B11/00
  • Pressing glass HB CC 4G020
  • C03B13/00
  • Rolling glass HB CC 4G020
  • C03B15/00
  • Drawing glass upwardly from the melt HB CC 4G020
  • C03B17/00
  • Forming glass by flowing out, pushing-out, or drawing downwardly or laterally from forming slits or by overflowing over lips HB CC 4G020
  • C03B18/00
  • Shaping glass in contact with the surface of a liquid HB CC 4G003
  • C03B19/00
  • Other methods of shaping glass (manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags C03B 37/00) HB CC 4G020
  • C03B20/00
  • Processes specially adapted for the production of quartz or fused silica articles [3] HB CC 4G014
  • C03B21/00
  • Severing glass sheets, tubes, or rods while still plastic HB CC 4G020

  • C03B23/00
  • Re-forming shaped glass (re-forming fibres or filaments C03B 37/14) HB CC 4G015
    After-treatment of glass product
  • C03B25/00
  • Annealing glass products (after-treatment of fibres C03B 37/10) HB CC 4G015
  • C03B27/00
  • Tempering glass products (after-treatment of fibres C03B 37/10) HB CC 4G015
  • C03B29/00
  • Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins (after-treatment of fibres C03B 37/10) HB CC 4G015
  • C03B31/00
  • Manufacture of rippled or crackled glass HB CC 4G015
  • C03B32/00
  • Thermal after-treatment of glass products not provided for in groups C03B 25/00-C03B 31/00, e.g. crystallisation, eliminating gas inclusions or other impurities (after-treatment of fibres C03B 37/10) [2] HB CC 4G015
  • C03B33/00
  • Severing cooled glass (severing glass fibres C03B 37/16) HB CC 4G015
  • C03B35/00
  • Transporting of glass products during their manufacture [2] HB CC 4G015

  • C03B37/00
  • Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags HB CC 4G021
  • C03B40/00
  • Preventing adhesion between glass and glass or between glass and the means used to shape it [3] HB CC 4G015
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