Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01K—ELECTRIC INCANDESCENT LAMPS
  • H01K1/00—Details
  • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
  • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
  • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B28—WORKING CEMENT, CLAY, OR STONE
  • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
  • B28B21/00—Methods or machines specially adapted for the production of tubular articles
  • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01K—ELECTRIC INCANDESCENT LAMPS
  • H01K1/00—Details
  • H01K1/02—Incandescent bodies

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Ceramic Engineering (AREA)
• Mechanical Engineering (AREA)
• Application Of Or Painting With Fluid Materials (AREA)
• Resistance Heating (AREA)
• Nonmetallic Welding Materials (AREA)
• Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=34361568

Family Applications (1)

Country Status (4)

• 0
  • DE DENDAT302821D patent/DE302821C/de active Active
  • DE DENDAT302824D patent/DE302824C/de active Active
  • NL NL9080D patent/NL9080C/xx active
• 1915
  • 1915-08-10 GB GB191511544D patent/GB191511544A/en not_active Expired
  • 1915-11-30 FR FR486759A patent/FR486759A/fr not_active Expired
• 1918
  • 1918-04-16 FR FR489759A patent/FR489759A/fr not_active Expired

Also Published As

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