GB1577374A - Process and apparatus for applying ferromagnetic toner to a substrate - Google Patents
Process and apparatus for applying ferromagnetic toner to a substrate Download PDFInfo
- Publication number
- GB1577374A GB1577374A GB1365677A GB1365677A GB1577374A GB 1577374 A GB1577374 A GB 1577374A GB 1365677 A GB1365677 A GB 1365677A GB 1365677 A GB1365677 A GB 1365677A GB 1577374 A GB1577374 A GB 1577374A
- Authority
- GB
- United Kingdom
- Prior art keywords
- toner particles
- substrate
- magnetic
- paper
- applying
- 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
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims abstract description 37
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 85
- 230000005291 magnetic effect Effects 0.000 claims abstract description 69
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium(IV) oxide Inorganic materials O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229940090961 chromium dioxide Drugs 0.000 claims abstract description 32
- IAQWMWUKBQPOIY-UHFFFAOYSA-N chromium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Cr+4] IAQWMWUKBQPOIY-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000003384 imaging method Methods 0.000 claims description 33
- 230000005684 electric field Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 6
- 230000005415 magnetization Effects 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 239000000872 buffer Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 241001422033 Thestylus Species 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- -1 poly(ethylene terephthalate) Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229920000180 alkyd Polymers 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67255176A | 1976-03-31 | 1976-03-31 | |
| US76751177A | 1977-02-14 | 1977-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1577374A true GB1577374A (en) | 1980-10-22 |
Family
ID=27100776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1365677A Expired GB1577374A (en) | 1976-03-31 | 1977-03-31 | Process and apparatus for applying ferromagnetic toner to a substrate |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS52123244A (enrdf_load_stackoverflow) |
| CA (1) | CA1107342A (enrdf_load_stackoverflow) |
| CH (1) | CH621422A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2714404A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2346751A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1577374A (enrdf_load_stackoverflow) |
| IT (1) | IT1076260B (enrdf_load_stackoverflow) |
| NL (1) | NL7703525A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0055992B1 (en) * | 1978-03-28 | 1985-12-18 | E.I. Du Pont De Nemours And Company | Composition for a toner of a magnetic resist printing process |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1065433B (enrdf_load_stackoverflow) * | 1955-09-21 | |||
| US2793135A (en) * | 1955-12-01 | 1957-05-21 | Sperry Rand Corp | Method and apparatus for preparing a latent magnetic image |
| US3043685A (en) * | 1957-07-18 | 1962-07-10 | Xerox Corp | Xerographic and magnetic image recording and reproducing |
| DE1571838C3 (de) * | 1966-06-16 | 1974-07-04 | Bernt F. Walther V. 6000 Frankfurt Grabe | Verfahren und Vorrichtung zum Drucken mit Staubfarben |
| ZA732471B (en) * | 1973-04-10 | 1974-11-27 | A Seskin | Materials mixing apparatus |
| US3987491A (en) * | 1974-07-22 | 1976-10-19 | Cubic Photo Products Division | Latent magnetic image transfer apparatus |
-
1977
- 1977-03-23 CH CH370277A patent/CH621422A5/de not_active IP Right Cessation
- 1977-03-29 IT IT2183377A patent/IT1076260B/it active
- 1977-03-29 CA CA275,043A patent/CA1107342A/en not_active Expired
- 1977-03-30 FR FR7709488A patent/FR2346751A1/fr active Granted
- 1977-03-31 GB GB1365677A patent/GB1577374A/en not_active Expired
- 1977-03-31 DE DE19772714404 patent/DE2714404A1/de not_active Ceased
- 1977-03-31 JP JP3553677A patent/JPS52123244A/ja active Pending
- 1977-03-31 NL NL7703525A patent/NL7703525A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2346751A1 (fr) | 1977-10-28 |
| IT1076260B (it) | 1985-04-27 |
| DE2714404A1 (de) | 1977-10-06 |
| NL7703525A (nl) | 1977-10-04 |
| FR2346751B1 (enrdf_load_stackoverflow) | 1983-07-18 |
| CH621422A5 (en) | 1981-01-30 |
| CA1107342A (en) | 1981-08-18 |
| JPS52123244A (en) | 1977-10-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |