Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
  • B27D—WORKING VENEER OR PLYWOOD
  • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
  • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
  • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
  • B27D1/086—Manufacture of oblong articles, e.g. tubes by spirally winding veneer blanks
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B33/00—Electroluminescent light sources
  • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
  • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
  • H05B33/145—Arrangements of the electroluminescent material

Applications Claiming Priority (1)

Publications (1)

Family

ID=4459751

Family Applications (1)

Country Status (4)

• 0
  • NL NL106819D patent/NL106819C/xx active
• 1942
  • 1942-07-03 CH CH237047D patent/CH237047A/de unknown
  • 1942-07-13 BE BE446419D patent/BE446419A/xx unknown
  • 1942-07-18 FR FR884293D patent/FR884293A/fr not_active Expired

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