Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B5/00—Optical elements other than lenses
  • G02B5/20—Filters
  • G02B5/22—Absorbing filters
  • G02B5/24—Liquid filters
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
  • E06B3/04—Wing frames not characterised by the manner of movement
  • E06B3/26—Compound frames, i.e. one frame within or behind another
  • E06B3/2605—Compound frames, i.e. one frame within or behind another with frames permanently mounted behind or within each other, each provided with a pane or screen
• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
  • G02B1/06—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of fluids in transparent cells
• • G—PHYSICS
  • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
  • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
  • G21F7/00—Shielded cells or rooms
  • G21F7/02—Observation devices permitting vision but shielding the observer
  • G21F7/03—Windows, e.g. shielded
• • E—FIXED CONSTRUCTIONS
  • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
  • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
  • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
  • E06B3/04—Wing frames not characterised by the manner of movement
  • E06B3/26—Compound frames, i.e. one frame within or behind another
  • E06B3/2605—Compound frames, i.e. one frame within or behind another with frames permanently mounted behind or within each other, each provided with a pane or screen
  • E06B2003/2615—Frames made of metal

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• General Engineering & Computer Science (AREA)
• High Energy & Nuclear Physics (AREA)
• Securing Of Glass Panes Or The Like (AREA)
• Joining Of Glass To Other Materials (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25170259

Family Applications (1)

Country Status (3)

Families Citing this family (1)

Family Cites Families (4)

• 0
  • NL NL248909D patent/NL248909A/xx unknown
• 1960
  • 1960-02-26 GB GB689160A patent/GB899516A/en not_active Expired
  • 1960-03-03 DE DEC20932A patent/DE1133529B/de active Pending

Also Published As

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