BE505609A - - Google Patents
Info
- Publication number
- BE505609A BE505609A BE505609DA BE505609A BE 505609 A BE505609 A BE 505609A BE 505609D A BE505609D A BE 505609DA BE 505609 A BE505609 A BE 505609A
- Authority
- BE
- Belgium
- Prior art keywords
- cheesecloth
- screen
- bleached
- woven
- composite
- Prior art date
Links
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 8
- 239000004753 textile Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 4
- -1 salt salts Chemical class 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims 1
- 210000001061 forehead Anatomy 0.000 claims 1
- 229940037003 alum Drugs 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229940107218 chromium Drugs 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- 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
- G03B21/606—Projection screens characterised by the nature of the surface for relief projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Woven Fabrics (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505609A true BE505609A (OSRAM) |
Family
ID=146101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505609D BE505609A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE505609A (OSRAM) |
-
0
- BE BE505609D patent/BE505609A/fr unknown
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