DE2363378B2 - Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter Lichtstreuung - Google Patents

Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter Lichtstreuung

Info

Publication number
DE2363378B2
DE2363378B2 DE2363378A DE2363378A DE2363378B2 DE 2363378 B2 DE2363378 B2 DE 2363378B2 DE 2363378 A DE2363378 A DE 2363378A DE 2363378 A DE2363378 A DE 2363378A DE 2363378 B2 DE2363378 B2 DE 2363378B2
Authority
DE
Germany
Prior art keywords
glass
mold
concave
reflector
shape
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.)
Granted
Application number
DE2363378A
Other languages
German (de)
English (en)
Other versions
DE2363378C3 (enrdf_load_stackoverflow
DE2363378A1 (de
Inventor
Robert E. South Hamilton Mass. Levin (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of DE2363378A1 publication Critical patent/DE2363378A1/de
Publication of DE2363378B2 publication Critical patent/DE2363378B2/de
Application granted granted Critical
Publication of DE2363378C3 publication Critical patent/DE2363378C3/de
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B23/00Re-forming shaped glass
    • C03B23/02Re-forming glass sheets
    • C03B23/023Re-forming glass sheets by bending
    • C03B23/035Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
    • C03B23/0352Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
    • C03B23/0357Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by suction without blowing, e.g. with vacuum or by venturi effect
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/10Construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/22Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/28Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • G02B5/10Mirrors with curved faces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE2363378A 1973-01-02 1973-12-20 Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter Lichtstreuung Granted DE2363378B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00319321A US3825742A (en) 1973-01-02 1973-01-02 Lamp unit with controlled-diffusion reflector and method of making the reflector

Publications (3)

Publication Number Publication Date
DE2363378A1 DE2363378A1 (de) 1974-07-04
DE2363378B2 true DE2363378B2 (de) 1978-06-15
DE2363378C3 DE2363378C3 (enrdf_load_stackoverflow) 1979-03-22

Family

ID=23241760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2363378A Granted DE2363378B2 (de) 1973-01-02 1973-12-20 Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter Lichtstreuung

Country Status (4)

Country Link
US (1) US3825742A (enrdf_load_stackoverflow)
JP (1) JPS5941161B2 (enrdf_load_stackoverflow)
CA (1) CA988484A (enrdf_load_stackoverflow)
DE (1) DE2363378B2 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5057453A (enrdf_load_stackoverflow) * 1973-09-14 1975-05-19
JPS5616001Y2 (enrdf_load_stackoverflow) * 1974-07-29 1981-04-15
US4021659A (en) * 1975-10-30 1977-05-03 General Electric Company Projector lamp reflector
USD253195S (en) 1977-05-13 1979-10-16 Gte Sylvania Incorporated Projection lamp
DE3027774A1 (de) * 1980-07-22 1982-02-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Reflektor zur ausleuchtung einer flaeche
DE3027719A1 (de) * 1980-07-22 1982-02-11 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Reflektor zur ausleuchtung einer flaeche
AT407782B (de) * 1989-10-17 2001-06-25 Bartenbach Christian Reflektorschale
WO1993022160A1 (en) * 1992-05-01 1993-11-11 Adonis Incorporated Headgear with safety light
EP1171903B1 (en) * 2000-02-15 2004-08-25 Koninklijke Philips Electronics N.V. Electric lamp/reflector unit
US6494596B1 (en) 2000-06-13 2002-12-17 Hubbell Incorporated Reflector with textured inner surface and prismatic outer surface
GB2384549B (en) * 2002-01-23 2003-12-10 Aurora Ltd Lamps
TW557057U (en) * 2002-10-09 2003-10-01 Lite On Technology Corp Scanner
US7025476B2 (en) * 2003-04-25 2006-04-11 Acuity Brands, Inc. Prismatic reflectors with a plurality of curved surfaces
JP3863126B2 (ja) * 2003-06-26 2006-12-27 旭テクノグラス株式会社 プロジェクター用ガラス製反射鏡およびその製造方法
US20070081248A1 (en) * 2005-10-11 2007-04-12 Kuohua Wu Reflector
KR20170000208A (ko) * 2015-06-23 2017-01-02 코닝정밀소재 주식회사 기판 진공성형 금형 및 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702411A (en) * 1950-09-15 1955-02-22 Thomas W Winstead Method for forming and embossing thermoplastic materials
US3331960A (en) * 1964-11-27 1967-07-18 Sylvania Electric Prod Portable photogrpahic light
US3511983A (en) * 1967-04-10 1970-05-12 Corning Glass Works Lighting device for dental and surgical procedures

Also Published As

Publication number Publication date
US3825742A (en) 1974-07-23
JPS5941161B2 (ja) 1984-10-05
DE2363378C3 (enrdf_load_stackoverflow) 1979-03-22
JPS5053056A (enrdf_load_stackoverflow) 1975-05-10
DE2363378A1 (de) 1974-07-04
CA988484A (en) 1976-05-04

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EGA New person/name/address of the applicant
8339 Ceased/non-payment of the annual fee