FR2148555A1 - - Google Patents
Info
- Publication number
- FR2148555A1 FR2148555A1 FR7228700A FR7228700A FR2148555A1 FR 2148555 A1 FR2148555 A1 FR 2148555A1 FR 7228700 A FR7228700 A FR 7228700A FR 7228700 A FR7228700 A FR 7228700A FR 2148555 A1 FR2148555 A1 FR 2148555A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/0043—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor the workpieces being deformed during the grinding operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3735271A GB1362993A (en) | 1971-08-09 | 1971-08-09 | Manufacture of optical elements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2148555A1 true FR2148555A1 (fr) | 1973-03-23 |
Family
ID=10395804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7228700A Withdrawn FR2148555A1 (fr) | 1971-08-09 | 1972-08-09 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3876734A (fr) |
JP (1) | JPS4826149A (fr) |
DE (1) | DE2238416A1 (fr) |
FR (1) | FR2148555A1 (fr) |
GB (1) | GB1362993A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2471845A1 (fr) * | 1979-12-12 | 1981-06-26 | Iggesunds Bruk Ab | Dipositif destine a donner une forme tordue aux faces de guidage des porte-couteaux d'une machine a fragmenter le bois |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4188353A (en) * | 1977-05-25 | 1980-02-12 | Neefe Charles W | Method of making aspheric lenses |
US4179484A (en) * | 1977-05-25 | 1979-12-18 | Neefe Charles W | Method of making toric lenses |
US4155962A (en) * | 1977-05-25 | 1979-05-22 | Neefe Optical Laboratory, Inc. | Method of removing molded lenses from the mold |
GB2040785B (en) * | 1978-12-28 | 1983-01-26 | Philips Electronic Associated | Producing polymer glass asherical optical elements |
FR2449522A1 (fr) * | 1979-02-20 | 1980-09-19 | Essilor Int | Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique |
US4229390A (en) * | 1979-07-16 | 1980-10-21 | Neefe Charles W | Method of making cast aspheric lenses |
EP0151584A4 (fr) * | 1983-06-15 | 1985-10-28 | Neal Keith Jones | Lentilles correctrices en plastique fin pour systemes optiques. |
NL8400152A (nl) * | 1984-01-18 | 1984-10-01 | Philips Nv | Werkwijze voor de vervaardiging van een optisch element, inrichting voor toepassing van de werkwijze en optisch element vervaardigd met de werkwijze. |
DE3777627D1 (de) * | 1987-01-26 | 1992-04-23 | Philips Nv | Repliklinse mit glaslinsenkoerper. |
JPH07191207A (ja) * | 1993-11-17 | 1995-07-28 | Asahi Optical Co Ltd | 反射型複合光学素子 |
WO2004017789A1 (fr) | 2002-07-30 | 2004-03-04 | Yoshida Industry Co., Ltd. | Boite de rangement |
DE102007013563A1 (de) * | 2007-03-21 | 2008-09-25 | Carl Zeiss Smt Ag | Verfahren und Vorrichtung zur Herstellung eines Elements mit mindestens einer Freiformfläche mit hoher Formgenauigkeit und geringer Oberflächenrauhigkeit |
DE102010036554A1 (de) | 2010-07-21 | 2012-01-26 | Bamberger Kaliko Gmbh | Verbundmaterial für die Weiterverarbeitung in flächige Schleifprodukte sowie Verfahren zu dessen Herstellung |
JP5850688B2 (ja) * | 2011-09-28 | 2016-02-03 | 日立オートモティブシステムズ株式会社 | シリンダ装置の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2911682A (en) * | 1955-02-28 | 1959-11-10 | Eastman Kodak Co | Method of casting a multireflector prism in a flexible mold |
US3211811A (en) * | 1964-06-29 | 1965-10-12 | Armorlite Leus Company Inc | Method and apparatus for casting thermosetting plastic lenses |
DE1704527C3 (de) * | 1966-02-15 | 1978-07-27 | Ceskoslovenska Akademie Ved, Prag | Verfahren zum Herstellen von nichtspärischen Linsen aus einem Polymer |
-
1971
- 1971-08-09 GB GB3735271A patent/GB1362993A/en not_active Expired
-
1972
- 1972-08-04 DE DE2238416A patent/DE2238416A1/de active Pending
- 1972-08-04 US US278116A patent/US3876734A/en not_active Expired - Lifetime
- 1972-08-05 JP JP47078066A patent/JPS4826149A/ja active Pending
- 1972-08-09 FR FR7228700A patent/FR2148555A1/fr not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2471845A1 (fr) * | 1979-12-12 | 1981-06-26 | Iggesunds Bruk Ab | Dipositif destine a donner une forme tordue aux faces de guidage des porte-couteaux d'une machine a fragmenter le bois |
Also Published As
Publication number | Publication date |
---|---|
DE2238416A1 (de) | 1973-02-15 |
US3876734A (en) | 1975-04-08 |
JPS4826149A (fr) | 1973-04-05 |
GB1362993A (en) | 1974-08-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |