DE2363378B2 - Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter Lichtstreuung - Google Patents
Verfahren zum Herstellen eines konkaven Glasreflektors mit vorbestimmter LichtstreuungInfo
- 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
Links
- 239000011521 glass Substances 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 21
- 238000000149 argon plasma sintering Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000007373 indentation Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000005401 pressed glass Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000005331 crown glasses (windows) Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- -1 tungsten halogen Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-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
- C03B23/0352—Re-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
- C03B23/0357—Re-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
-
- 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
- F21V7/10—Construction
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material
-
- 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
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
- F21V7/28—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors 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)
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)
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)
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 |
-
1973
- 1973-01-02 US US00319321A patent/US3825742A/en not_active Expired - Lifetime
- 1973-11-08 CA CA185,319A patent/CA988484A/en not_active Expired
- 1973-12-20 DE DE2363378A patent/DE2363378B2/de active Granted
-
1974
- 1974-01-04 JP JP49000014A patent/JPS5941161B2/ja not_active Expired
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 |