DE2114016A1 - Verfahren zur Bildung kugeliger Teilchen gleichmaessiger Groesse - Google Patents
Verfahren zur Bildung kugeliger Teilchen gleichmaessiger GroesseInfo
- Publication number
- DE2114016A1 DE2114016A1 DE19712114016 DE2114016A DE2114016A1 DE 2114016 A1 DE2114016 A1 DE 2114016A1 DE 19712114016 DE19712114016 DE 19712114016 DE 2114016 A DE2114016 A DE 2114016A DE 2114016 A1 DE2114016 A1 DE 2114016A1
- Authority
- DE
- Germany
- Prior art keywords
- particles
- spherical particles
- toner
- diameter
- carrier
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 39
- 239000012798 spherical particle Substances 0.000 title claims description 14
- 230000015572 biosynthetic process Effects 0.000 title claims description 9
- 239000002245 particle Substances 0.000 claims description 79
- 239000000463 material Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims 1
- 238000009827 uniform distribution Methods 0.000 claims 1
- 239000012876 carrier material Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 7
- 230000033458 reproduction Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910000760 Hardened steel Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/003—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic followed by coating of the granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/18—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using a vibrating apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/10—Developers with toner particles characterised by carrier particles
- G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
- G03G9/108—Ferrite carrier, e.g. magnetite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49712—Ball making
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2208670A | 1970-03-23 | 1970-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2114016A1 true DE2114016A1 (de) | 1971-10-14 |
Family
ID=21807744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712114016 Pending DE2114016A1 (de) | 1970-03-23 | 1971-03-23 | Verfahren zur Bildung kugeliger Teilchen gleichmaessiger Groesse |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3685113A (enExample) |
| BE (1) | BE764635A (enExample) |
| CA (1) | CA941211A (enExample) |
| DE (1) | DE2114016A1 (enExample) |
| FR (1) | FR2087879A5 (enExample) |
| GB (1) | GB1347568A (enExample) |
| NL (1) | NL7103785A (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781958A (en) * | 1972-08-14 | 1974-01-01 | Nasa | Method of making rolling element bearings |
| US4215193A (en) * | 1978-11-22 | 1980-07-29 | E. I. Du Pont De Nemours And Company | Dry toner process with improved toning uniformity for color developing an imaged tacky and nontacky surface |
| US4310611A (en) | 1979-06-29 | 1982-01-12 | Eastman Kodak Company | Electrographic magnetic carrier particles |
| US4421701A (en) * | 1980-11-24 | 1983-12-20 | Phillips Petroleum Company | Process for preparing iron-containing refractory balls for retorting oil shale |
| US4438161A (en) | 1980-11-24 | 1984-03-20 | Phillips Petroleum Company | Iron-containing refractory balls for retorting oil shale |
-
1970
- 1970-03-23 US US22086A patent/US3685113A/en not_active Expired - Lifetime
- 1970-10-08 CA CA095,136A patent/CA941211A/en not_active Expired
-
1971
- 1971-03-19 FR FR7110751A patent/FR2087879A5/fr not_active Expired
- 1971-03-22 NL NL7103785A patent/NL7103785A/xx unknown
- 1971-03-22 BE BE764635A patent/BE764635A/xx unknown
- 1971-03-23 DE DE19712114016 patent/DE2114016A1/de active Pending
- 1971-04-19 GB GB2497571*A patent/GB1347568A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA941211A (en) | 1974-02-05 |
| BE764635A (fr) | 1971-09-22 |
| US3685113A (en) | 1972-08-22 |
| FR2087879A5 (enExample) | 1971-12-31 |
| NL7103785A (enExample) | 1971-09-27 |
| GB1347568A (en) | 1974-02-27 |
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