JPS5625719A - Preparation of screen - Google Patents
Preparation of screenInfo
- Publication number
- JPS5625719A JPS5625719A JP10065079A JP10065079A JPS5625719A JP S5625719 A JPS5625719 A JP S5625719A JP 10065079 A JP10065079 A JP 10065079A JP 10065079 A JP10065079 A JP 10065079A JP S5625719 A JPS5625719 A JP S5625719A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- light transmittable
- instance
- extruded
- roll
- 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
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
PURPOSE: To manufacture a rear projection screen continuously and with good productivity, in case the light transmittable resin which has been extruded as a sheet is shaped by a roll, by feeding a light transmittable diffusion film simultaneously and laminating it on the aforesaid sheet surface.
CONSTITUTION: The light transmittable resin (for instance, methacrylate resin) is extruded as a sheet from the sheet forming die 2 of the extruder 1, a light transmittable diffusion film B is fed immediately before the extruded sheet A passes the shaping rolls 3, 4, 5, after it has been stuck closely and laminated to the sheet A in a semimelted state, it is made to pass through the drawing rolls 6, and subsequently it is cut to regular length by the chopping machine. In this regard, the sheet A can be made to have the uneven surface by using a shaping roll which has an uneven face instead of the aforesaid roll 4. Also, as for the light transmittable diffusion film B, for instance, that which has printed (applied) a light diffusing agent (for instance, silicon oxide) having particle diameter of approx. 1-100μm, to a acrylic film is used.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10065079A JPS5625719A (en) | 1979-08-07 | 1979-08-07 | Preparation of screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10065079A JPS5625719A (en) | 1979-08-07 | 1979-08-07 | Preparation of screen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5625719A true JPS5625719A (en) | 1981-03-12 |
JPS6311139B2 JPS6311139B2 (en) | 1988-03-11 |
Family
ID=14279692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10065079A Granted JPS5625719A (en) | 1979-08-07 | 1979-08-07 | Preparation of screen |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5625719A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132325A (en) * | 1980-03-21 | 1981-10-16 | Dainippon Printing Co Ltd | Production of transmission type screen |
JPS57196671A (en) * | 1981-05-28 | 1982-12-02 | Dainippon Printing Co Ltd | Manufacture for tv screen |
JP2006195012A (en) * | 2005-01-11 | 2006-07-27 | Toppan Printing Co Ltd | Manufacturing method of light diffusion layer, manufacturing method of fresnel lens sheet, manufacturing method of diffusing lens array sheet and manufacturing method of transmission type screen |
JP2011519750A (en) * | 2008-04-03 | 2011-07-14 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Continuous lamination of polymethyl methacrylate (PMMA) films in the manufacture of Fresnel lenses |
US20130025774A1 (en) * | 2011-07-29 | 2013-01-31 | Eastman Chemical Company | In-line lamination of heavy-gauge polymer sheet with a pre-formed polymer film |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587140A (en) * | 1978-12-22 | 1980-07-01 | Dainippon Printing Co Ltd | Transmission type screen |
-
1979
- 1979-08-07 JP JP10065079A patent/JPS5625719A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5587140A (en) * | 1978-12-22 | 1980-07-01 | Dainippon Printing Co Ltd | Transmission type screen |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132325A (en) * | 1980-03-21 | 1981-10-16 | Dainippon Printing Co Ltd | Production of transmission type screen |
JPS57196671A (en) * | 1981-05-28 | 1982-12-02 | Dainippon Printing Co Ltd | Manufacture for tv screen |
JPH0242659B2 (en) * | 1981-05-28 | 1990-09-25 | ||
JP2006195012A (en) * | 2005-01-11 | 2006-07-27 | Toppan Printing Co Ltd | Manufacturing method of light diffusion layer, manufacturing method of fresnel lens sheet, manufacturing method of diffusing lens array sheet and manufacturing method of transmission type screen |
JP2011519750A (en) * | 2008-04-03 | 2011-07-14 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Continuous lamination of polymethyl methacrylate (PMMA) films in the manufacture of Fresnel lenses |
US20130025774A1 (en) * | 2011-07-29 | 2013-01-31 | Eastman Chemical Company | In-line lamination of heavy-gauge polymer sheet with a pre-formed polymer film |
JP2014527479A (en) * | 2011-07-29 | 2014-10-16 | イーストマン ケミカル カンパニー | In-line lamination of preformed polymer film and thick polymer sheet |
US10065404B2 (en) | 2011-07-29 | 2018-09-04 | Eastman Chemical Company | In-line lamination of heavy-gauge polymer sheet with a pre-formed polymer film |
Also Published As
Publication number | Publication date |
---|---|
JPS6311139B2 (en) | 1988-03-11 |
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