US195478A - Improvement in dry-wood grinders for paper-pulp - Google Patents
Improvement in dry-wood grinders for paper-pulp Download PDFInfo
- Publication number
- US195478A US195478A US195478DA US195478A US 195478 A US195478 A US 195478A US 195478D A US195478D A US 195478DA US 195478 A US195478 A US 195478A
- Authority
- US
- United States
- Prior art keywords
- pulp
- dry
- wood
- paper
- improvement
- 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 - Lifetime
Links
- 239000002023 wood Substances 0.000 title description 14
- 229920001131 Pulp (paper) Polymers 0.000 title description 10
- 229910001651 emery Inorganic materials 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 229910052904 quartz Inorganic materials 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- -1 ground flint Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/18—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar
- B02C4/22—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a bar specially adapted for milling paste-like material, e.g. paint, chocolate, colloids
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/115—Cereal fibre products, e.g. bran, husk
Definitions
- Figures 1 and 2 represent vertical longitudinal and transverse sections, respectively, on the line a 0, Fig. 2, and w m, Fig. 1, of our improved machine for manufacturing dry-wood pulp.
- Our invention relates to an improved machine for making dry pulp from dry wood in a cheap and simple manner, which pulp has the advantage of being readily shipped, not liable to freeze and being converted with less labor into paper.
- the invention consists of a machine for grinding up the wood by exposing it to the action of a cylinder covered with a grindingsurface of glue, ground flint, quartz, and emery, and conveying the pulp by a hopper and an endless revolving belt to a reciprocating screen.
- A represents the supporting-frame of ourimproved machine for making dry pulp, which is provided with a rapidlyrevolving cylinder, B, to which the dry wood to be pulped is fed by a top-casing, C, with a guide and feed-tube for the wood.
- the Wood is exposed to the action of the grinding-surface of the cylinder B, which surface is composed of a mixture of glue, ground flint, ground quartz, and emery.
- the wood is, by the grindin g-cylinder, rapidly converted into'pulp,which is conveyed from the cylinder to a hopper, D, below the same, and to an endless rotating belt, E, extending longitudinally along the lower part of the hopper.
- the belt E carries the pulp by bucket-strips 0!, along the bottom of the hopper to a spout,- b, outside of the same, to be dropped on a coarse reciprocating screen, F, that is arranged at suitable inclination at the end of the machine, so as to separate the coarser part of the pulp from the finer part, which latter passes through the screen to a suitable receptacle below, while the former passes over the inclined screen through a slot, (1, in the dividing-partition to an outside receptacle.
- the wood pulp produced by a dry process with our machine is, in many respects, superior to that obtained by the wet processes.
- the machine is cheaper and simpler in construction than those used in wet processes, and may be run without skilled workmen.
- a number of machines may be arranged side by side, according to the quantities of pulp to be manufactured.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Paper (AREA)
Description
I. W. BOWERS -& D. A. CURTIS. DRY WOOD GRINDERS FOR PAPER-PULP.
NO. 195,478. Patented Sept.25.1877.
N. FErERS. PHOTO-UTHDGRAPHEH, WASHXNGTON. D G.
UNITE STATES PATENT QFFIGE.
ISAAC W. BOWERS AND DAVID A. CURTIS, OF PETERSBURG, MICHIGAN.
IMPROVEMENT IN DRY-WOOD GRINDERS FOR PAPER-PULP.
Specification forming part of Letters Patent No. 195,478, dated September 25, 1877; application filed April 25, 1876.
To all whom it may concern:
Be it known that we, ISAAC W. BOWERS and DAVID A. CURTIS, of Petersburg, county of Monroe, and State of Michigan, have invented a new and useful Improvement in Manufacturing Dry-Wood Pulp, of which the following is a specification:
In the accompanying drawing, Figures 1 and 2 represent vertical longitudinal and transverse sections, respectively, on the line a 0, Fig. 2, and w m, Fig. 1, of our improved machine for manufacturing dry-wood pulp.
Similar letters of reference indicate corresponding parts.
Our invention relates to an improved machine for making dry pulp from dry wood in a cheap and simple manner, which pulp has the advantage of being readily shipped, not liable to freeze and being converted with less labor into paper.
The invention consists of a machine for grinding up the wood by exposing it to the action of a cylinder covered with a grindingsurface of glue, ground flint, quartz, and emery, and conveying the pulp by a hopper and an endless revolving belt to a reciprocating screen.
In the drawing, A represents the supporting-frame of ourimproved machine for making dry pulp, which is provided with a rapidlyrevolving cylinder, B, to which the dry wood to be pulped is fed by a top-casing, C, with a guide and feed-tube for the wood. The Wood is exposed to the action of the grinding-surface of the cylinder B, which surface is composed of a mixture of glue, ground flint, ground quartz, and emery. The wood is, by the grindin g-cylinder, rapidly converted into'pulp,which is conveyed from the cylinder to a hopper, D, below the same, and to an endless rotating belt, E, extending longitudinally along the lower part of the hopper.
The belt E carries the pulp by bucket-strips 0!, along the bottom of the hopper to a spout,- b, outside of the same, to be dropped on a coarse reciprocating screen, F, that is arranged at suitable inclination at the end of the machine, so as to separate the coarser part of the pulp from the finer part, which latter passes through the screen to a suitable receptacle below, while the former passes over the inclined screen through a slot, (1, in the dividing-partition to an outside receptacle.
The wood pulp produced by a dry process with our machine is, in many respects, superior to that obtained by the wet processes.
hitherto in use, as it does not mold or freeze, and may be more conveniently shipped.
The machine is cheaper and simpler in construction than those used in wet processes, and may be run without skilled workmen. A number of machines may be arranged side by side, according to the quantities of pulp to be manufactured.
Having thus described our invention, we claim as new and desire to secureby Letters Patent- An apparatus for making dry-wood pulp, consisting of the revolving cylinder B, coated with glue, ground flint, ground quartz, and emery, the top-casing C provided with guide and feed-tube, the hopper D having outside spout b, the carrier belt E a, the screen F, and the partition having slot d, all constructed, arranged, and combined in a frame, A, as and for the purpose specified.
ISAAC WINTER BOWERS. DAVID A. CURTIS.
Witnesses JAMES H. GAG-E, W. P. CALDWELL.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US195478A true US195478A (en) | 1877-09-25 |
Family
ID=2264884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US195478D Expired - Lifetime US195478A (en) | Improvement in dry-wood grinders for paper-pulp |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US195478A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030199829A1 (en) * | 2002-04-19 | 2003-10-23 | Keun-Ho Lee | Catheter |
-
0
- US US195478D patent/US195478A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030199829A1 (en) * | 2002-04-19 | 2003-10-23 | Keun-Ho Lee | Catheter |
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