FR2684911B1 - Procede de fabrication d'un moule pour former des denivellations en óoeil de poisson sur une lentille. - Google Patents
Procede de fabrication d'un moule pour former des denivellations en óoeil de poisson sur une lentille.Info
- Publication number
- FR2684911B1 FR2684911B1 FR9215029A FR9215029A FR2684911B1 FR 2684911 B1 FR2684911 B1 FR 2684911B1 FR 9215029 A FR9215029 A FR 9215029A FR 9215029 A FR9215029 A FR 9215029A FR 2684911 B1 FR2684911 B1 FR 2684911B1
- Authority
- FR
- France
- Prior art keywords
- fish eye
- lens
- mold
- manufacturing
- separation lines
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00605—Production of reflex reflectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/303752—Process
- Y10T409/303808—Process including infeeding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Numerical Control (AREA)
- Milling Processes (AREA)
Abstract
Procédé de production a partir d'une ébauche de matrice d'une empreinte utilisable pour former, sur une optique pourvue d'une zone courbe, une pluralité de cellules en œil de poisson, divisées par des lignes de séparation en des sections globalement assimilables à des parallélogrammes, ladite empreinte étant divisée en une pluralité de parties concaves (C2, C2,...) correspondant aux cellules en œil de poisson respectives par un premier groupe de lignes de séparation (8) s'étendant dans une première direction (A) et par un second groupe de lignes de séparation (9) s'étendant dans une seconde direction (B). On utilise des cellules en œil de poisson sur les feux arrière d'une automobile.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3351322A JP2584379B2 (ja) | 1991-12-13 | 1991-12-13 | 魚眼ステップの金型作製方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2684911A1 FR2684911A1 (fr) | 1993-06-18 |
FR2684911B1 true FR2684911B1 (fr) | 1994-11-25 |
Family
ID=18416521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9215029A Expired - Fee Related FR2684911B1 (fr) | 1991-12-13 | 1992-12-14 | Procede de fabrication d'un moule pour former des denivellations en óoeil de poisson sur une lentille. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5308200A (fr) |
JP (1) | JP2584379B2 (fr) |
DE (1) | DE4241887A1 (fr) |
FR (1) | FR2684911B1 (fr) |
GB (1) | GB2262899B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2808250B2 (ja) * | 1993-12-22 | 1998-10-08 | 株式会社小糸製作所 | 車輌用標識灯 |
CN1091408C (zh) * | 1996-01-26 | 2002-09-25 | 美国3M公司 | 层叠模具及其制造方法 |
DE69611185T2 (de) * | 1996-01-26 | 2001-08-02 | Minnesota Mining & Mfg | Formwerkzeug aus geschichteten platten und verfahren zu dessen herstellung |
US6159407A (en) * | 1996-01-26 | 2000-12-12 | 3M Innovative Properties Company | Stacked laminate mold and method of making |
GB2310387B (en) * | 1996-02-21 | 1999-03-17 | Asahi Optical Co Ltd | Method for producing molding die for synthetic resin lens barrel having a helicoid and for producing the lens barrel |
JP3411764B2 (ja) * | 1996-02-21 | 2003-06-03 | ペンタックス株式会社 | ヘリコイドを有する合成樹脂製レンズ鏡筒の成形金型の製造方法 |
DE19844594A1 (de) | 1998-09-29 | 2000-05-11 | Hella Kg Hueck & Co | Leuchte für Kraftfahrzeuge |
US6305924B1 (en) | 2000-10-31 | 2001-10-23 | 3M Innovative Properties Company | Stacked laminate mold |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA686179A (en) * | 1964-05-12 | The Holophane Company Limited | Luminaire | |
US2685231A (en) * | 1949-12-08 | 1954-08-03 | Gen Motors Corp | Combination reflector and taillight lens |
GB878215A (en) * | 1956-12-10 | 1961-09-27 | Holophane Ltd | Light refracting and transmitting plates and equipment using the same |
GB851217A (en) * | 1957-05-21 | 1960-10-12 | Gen Electric Co Ltd | Improvements in or relating to the manufacture of bodies, especially transparent panels, having a figured surface |
GB920430A (en) * | 1960-10-05 | 1963-03-06 | Gen Electric Co Ltd | Improvements in or relating to method of figuring surfaces |
GB1272068A (en) * | 1968-06-26 | 1972-04-26 | Lucas Industries Ltd | Reflector panels for road vehicles |
US3605528A (en) * | 1968-08-02 | 1971-09-20 | Ford Motor Co | Incremental construction of three-dimensional objects having premachined rod elements and method for forming the same |
GB1339425A (en) * | 1970-05-19 | 1973-12-05 | Lucas Industries Ltd | Reflector panels for road vehicles |
FR2472135A1 (fr) * | 1979-12-20 | 1981-06-26 | Cibie Projecteurs | Projecteur, notamment pour vehicules automobiles |
US4478769A (en) * | 1982-09-30 | 1984-10-23 | Amerace Corporation | Method for forming an embossing tool with an optically precise pattern |
US4733335A (en) * | 1984-12-28 | 1988-03-22 | Koito Manufacturing Co., Ltd. | Vehicular lamp |
US4711527A (en) * | 1985-11-27 | 1987-12-08 | General Motors Corporation | Simulated vehicle lamp |
EP0313216A3 (fr) * | 1987-10-21 | 1990-10-17 | Optical Profile, Inc. | Système de transformation optique |
JPH01204303A (ja) * | 1988-02-09 | 1989-08-16 | Koito Mfg Co Ltd | 車輌用灯具 |
JPH01235101A (ja) * | 1988-03-16 | 1989-09-20 | Koito Mfg Co Ltd | 車輌用灯具 |
JPH0446322Y2 (fr) * | 1988-08-02 | 1992-10-30 | ||
JPH071687Y2 (ja) * | 1988-08-22 | 1995-01-18 | 株式会社小糸製作所 | 車両灯具用レンズ |
JPH0743962B2 (ja) * | 1988-12-14 | 1995-05-15 | 日産自動車株式会社 | 車両用灯具 |
JPH02241627A (ja) * | 1989-03-14 | 1990-09-26 | Komatsu Ltd | 金型生産システム |
JPH0821244B2 (ja) * | 1990-06-19 | 1996-03-04 | 株式会社小糸製作所 | 自動車用ヘッドランプ |
FR2679978B1 (fr) * | 1991-08-02 | 1993-12-03 | Valeo Vision | Dispositif d'eclairage de plaque d'immatriculation pour vehicule automobile et procede de fabrication d'un globe pour un tel dispositif d'eclairage. |
-
1991
- 1991-12-13 JP JP3351322A patent/JP2584379B2/ja not_active Expired - Fee Related
-
1992
- 1992-12-08 US US07/986,786 patent/US5308200A/en not_active Expired - Lifetime
- 1992-12-09 GB GB9225726A patent/GB2262899B/en not_active Expired - Fee Related
- 1992-12-11 DE DE4241887A patent/DE4241887A1/de not_active Ceased
- 1992-12-14 FR FR9215029A patent/FR2684911B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9225726D0 (en) | 1993-02-03 |
FR2684911A1 (fr) | 1993-06-18 |
JPH05166403A (ja) | 1993-07-02 |
DE4241887A1 (fr) | 1993-06-24 |
US5308200A (en) | 1994-05-03 |
JP2584379B2 (ja) | 1997-02-26 |
GB2262899A (en) | 1993-07-07 |
GB2262899B (en) | 1994-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20060831 |