FR2384608A1 - Procede de realisation d'un reflecteur a courbure complexe - Google Patents
Procede de realisation d'un reflecteur a courbure complexeInfo
- Publication number
- FR2384608A1 FR2384608A1 FR7808012A FR7808012A FR2384608A1 FR 2384608 A1 FR2384608 A1 FR 2384608A1 FR 7808012 A FR7808012 A FR 7808012A FR 7808012 A FR7808012 A FR 7808012A FR 2384608 A1 FR2384608 A1 FR 2384608A1
- Authority
- FR
- France
- Prior art keywords
- complex curvature
- making
- screen
- laminate sheet
- curvature reflector
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/84—Heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0029—Translucent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/003—Reflective
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Procédé de réalisation d'un écran ou d'un autre type de surface réfléchissante ayant une courbure complexe. Ce procédé consiste à lier une pellicule métallisée à un support formable à chaud, de manière à former une feuille stratifiée. Cette feuille stratifiée, qui comporte au moins une face réfléchissante, est transformée en un écran à l'aide d'un outil concave ou convexe ayant la courbure complexe correspondante. Application en particulier à la réalisation d'écrans très lumineux ayant une surface réfléchissante.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77937177A | 1977-03-21 | 1977-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2384608A1 true FR2384608A1 (fr) | 1978-10-20 |
FR2384608B3 FR2384608B3 (fr) | 1980-10-31 |
Family
ID=25116235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7808012A Granted FR2384608A1 (fr) | 1977-03-21 | 1978-03-20 | Procede de realisation d'un reflecteur a courbure complexe |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53118458A (fr) |
DE (1) | DE2805960A1 (fr) |
FR (1) | FR2384608A1 (fr) |
GB (1) | GB1602881A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2602455A1 (fr) * | 1986-08-09 | 1988-02-12 | Glaverbel | Procede et dispositif pour donner une courbure a une feuille de matiere thermoplastique et fabrication de panneaux feuilletes comprenant une telle feuille |
WO1994017445A1 (fr) * | 1993-01-28 | 1994-08-04 | Hughes Training, Inc. | Procede de fabrication d'ecran pour retroprojection a l'aide d'un materiau pre-enduit |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59232818A (ja) * | 1983-06-16 | 1984-12-27 | Tokyo Seat Kk | 圧空金型成形方法 |
US4636047A (en) * | 1986-03-21 | 1987-01-13 | Green Ronald N | Wrist watch mirror accessory |
JP2747096B2 (ja) * | 1990-07-24 | 1998-05-06 | 北川工業株式会社 | 3次元回路基板の製造方法 |
SE502163C2 (sv) * | 1993-12-21 | 1995-09-04 | Sunds Defibrator Ind Ab | Anordning för inblandning av behandlingsmedium i en massasuspension |
DE10359084A1 (de) * | 2003-12-17 | 2005-07-21 | Hahn, Harry K., Dipl.-Ing. (FH) | Bildwand |
JP2014193545A (ja) * | 2013-03-28 | 2014-10-09 | Fujifilm Corp | 凹面鏡及びその加工方法 |
-
1978
- 1978-02-13 DE DE19782805960 patent/DE2805960A1/de not_active Withdrawn
- 1978-03-06 JP JP2530978A patent/JPS53118458A/ja active Pending
- 1978-03-20 FR FR7808012A patent/FR2384608A1/fr active Granted
- 1978-03-21 GB GB11214/78A patent/GB1602881A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2602455A1 (fr) * | 1986-08-09 | 1988-02-12 | Glaverbel | Procede et dispositif pour donner une courbure a une feuille de matiere thermoplastique et fabrication de panneaux feuilletes comprenant une telle feuille |
BE1000890A4 (fr) * | 1986-08-09 | 1989-05-09 | Glaverbel | Procede et dispositif pour donner une courbure a une feuille de matiere thermoplastique et fabrication de panneaux feuilletes comprenant une telle feuille. |
WO1994017445A1 (fr) * | 1993-01-28 | 1994-08-04 | Hughes Training, Inc. | Procede de fabrication d'ecran pour retroprojection a l'aide d'un materiau pre-enduit |
Also Published As
Publication number | Publication date |
---|---|
GB1602881A (en) | 1981-11-18 |
JPS53118458A (en) | 1978-10-16 |
FR2384608B3 (fr) | 1980-10-31 |
DE2805960A1 (de) | 1978-10-05 |
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