GB551862A - Improvements in or relating to lamp black and like material - Google Patents
Improvements in or relating to lamp black and like materialInfo
- Publication number
- GB551862A GB551862A GB1308241A GB1308241A GB551862A GB 551862 A GB551862 A GB 551862A GB 1308241 A GB1308241 A GB 1308241A GB 1308241 A GB1308241 A GB 1308241A GB 551862 A GB551862 A GB 551862A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp black
- chamber
- piston
- discharged
- cylinder
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/56—Treatment of carbon black ; Purification
- C09C1/60—Agglomerating, pelleting, or the like by dry methods
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
551,862. Lamp black &c. CHAMPION & CO., Ltd., C. H., and KOPPEL, L. Oct. 10, 1941, No. 13082. [Class 90] Lamp black &c. is consolidated for convenience in handling by withdrawing the air from between the particles and bring- ing them into intimate contact with one another, optionally by applying pressure. The lamp black is charged intc a cylinder 1 fitted with a piston 3 carrying a flexible connection 4 to a vacuum pump. The entrainment of lamp black into this connection is prevented by a baffle 6 attached to the piston and spaced apart from it and having a small clearance 8 between it and the cylinder walls. As the chamber is evacuated the piston falls pressing the carbon particles into contact. Subsequently a hydraulic ram may be applied in place of the handle 16 and the lamp black further compressed into a cake, which is discharged after removing the bottom 13 of the chamber. Alternatively it may be discharged in small pieces by passage through a wire screen substituted for the bottom of the chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308241A GB551862A (en) | 1941-10-10 | 1941-10-10 | Improvements in or relating to lamp black and like material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1308241A GB551862A (en) | 1941-10-10 | 1941-10-10 | Improvements in or relating to lamp black and like material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB551862A true GB551862A (en) | 1943-03-12 |
Family
ID=10016480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1308241A Expired GB551862A (en) | 1941-10-10 | 1941-10-10 | Improvements in or relating to lamp black and like material |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB551862A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0590523A2 (en) * | 1992-09-29 | 1994-04-06 | Mitsubishi Chemical Corporation | Shaped product of carbon black and process for its production |
-
1941
- 1941-10-10 GB GB1308241A patent/GB551862A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0590523A2 (en) * | 1992-09-29 | 1994-04-06 | Mitsubishi Chemical Corporation | Shaped product of carbon black and process for its production |
EP0590523A3 (en) * | 1992-09-29 | 1994-10-12 | Mitsubishi Chem Ind | Shaped product of carbon black and process for its production. |
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