DE203669C - - Google Patents

Info

Publication number
DE203669C
DE203669C DENDAT203669D DE203669DA DE203669C DE 203669 C DE203669 C DE 203669C DE NDAT203669 D DENDAT203669 D DE NDAT203669D DE 203669D A DE203669D A DE 203669DA DE 203669 C DE203669 C DE 203669C
Authority
DE
Germany
Prior art keywords
reflector
ellipse
partitions
approximately
divided
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT203669D
Other languages
German (de)
Publication of DE203669C publication Critical patent/DE203669C/de
Active legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

. ■ Hierzu 1 Blatt Zeichnungen.. ■ 1 sheet of drawings.

Claims (1)

Patent-Anspruch :Patent claim: Kegelförmiger Lampenreflektor gemäß Patent 200591, bei welchem die Basis ungefähr die Gestalt einer Ellipse hat, dadurch gekennzeichnet, daß der Reflektor in der Richtung der kleinen Halbachse durch Scheidewände in zwei Hälften geteilt ist.Conical lamp reflector according to patent 200591, in which the base is approximately has the shape of an ellipse, characterized in that the reflector in the direction of the minor semi-axis is divided in half by partitions.
DENDAT203669D Active DE203669C (en)

Publications (1)

Publication Number Publication Date
DE203669C true DE203669C (en)

Family

ID=466062

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT203669D Active DE203669C (en)

Country Status (1)

Country Link
DE (1) DE203669C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422378A (en) * 1943-11-22 1947-06-17 California Inst Res Found Low-level reflector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2422378A (en) * 1943-11-22 1947-06-17 California Inst Res Found Low-level reflector

Similar Documents

Publication Publication Date Title
DE203669C (en)
CN105149443B (en) Rigid blank holder deep drawing die for thin-walled hemispheric high-pressure membrane with flange
EP2626159A3 (en) Tool set for generating threads
CN108856492A (en) heat shield manufacturing method
US2279388A (en) Lock nut and method of making the same
CN204817732U (en) Have flange thin wall hemisphere high pressure diaphragm rigidity blank pressing deep -drawing mould
CN113953385B (en) Piston cold stamping die for oil transfer pump of diesel engine
DE8072C (en) Arrangement of several flow devices (taps, valves) in one body
CN210754636U (en) Punching die for heat shield
CN210360101U (en) Shaping clamp
CN106424356A (en) Deep cylinder piece deep drawing mold for general hydraulic press
CN207788334U (en) A kind of small bracelet exchange bottom plate
US2384475A (en) Staple and method of making same
CN210361941U (en) Symmetry tool that punches of brittle material
CN216575687U (en) Static labyrinth drill jig for short stress rolling mill
CN213915728U (en) Common punching convex bag die
DE24901C (en) Innovation in dies for embossing metal plates
CN217095339U (en) Stamping die convenient to maintenance
DE114831C (en)
CN212497324U (en) Fine-adjustable elastic jacket
CN113814501B (en) Linear cutting tool clamp
SU1466834A1 (en) Male die for flanging in the wall of tubular billet
CN214602583U (en) Adjustable fixed pattern UV laser marking device
CN211027781U (en) Pressure riveting die with guiding function
CN208050734U (en) With processing pre-punched hole and the molding NC turret punch machine assembling die of flange