US480084A - Machine for decorticating ramie - Google Patents
Machine for decorticating ramie Download PDFInfo
- Publication number
- US480084A US480084A US480084DA US480084A US 480084 A US480084 A US 480084A US 480084D A US480084D A US 480084DA US 480084 A US480084 A US 480084A
- Authority
- US
- United States
- Prior art keywords
- rolls
- pair
- machine
- ramie
- decorticating
- 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
- 240000008564 Boehmeria nivea Species 0.000 title description 12
- 239000000835 fiber Substances 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 240000000218 Cannabis sativa Species 0.000 description 2
- 240000000491 Corchorus aestuans Species 0.000 description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 description 2
- 241000366676 Justicia pectoralis Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 235000012765 hemp Nutrition 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 235000012766 marijuana Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229920001206 natural gum Polymers 0.000 description 2
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/10—Separating vegetable fibres from stalks or leaves
- D01B1/14—Breaking or scutching, e.g. of flax; Decorticating
- D01B1/22—Breaking or scutching, e.g. of flax; Decorticating with crushing or breaking rollers or plates
Definitions
- I/VALTER T FORBES, OF ATLANTA, GEORGIA.
- This invention is an improved machine for decorticating ramie, hemp, jute, and similar growths; and the invention consists in a ma chine comprisinga suitable frame and rollers journaled therein vertically one above the other and arranged as two pairs, one of the rollers of each pair being geared to turn faster than its fellow, the rollers of each pair being in contact and the fast-moving roller of the lower pair being arranged in contact with the slow-moving roller of the upper pair, all substantially as more fully described hereinafter, whereby the fibrous material to be treated will-be first subjected to the action of the upper pair of rolls, then to the action of the contacting rolls of the two pair, and then to the action of the lower pair of rolls.
- Figure 1 is a side view
- Fig. 2 is a sectional view
- I provide a frame, in which is journaled the rolls 00' a a a, arranged in vertical series, as shown.
- the rolls a are smaller than the rolls a, and the small rolls are geared to revolve faster than the large rolls, as will be readily understood from the drawings.
- the rolls may preferably be of rubber with a metal shaft or core, or they maybe of wood or iron covered bya sleeve of rubber or equivalent material to provide the yielding surfaces desired.
- the machine is simple and can be produced at small cost and in practice will produce the ramie-ribbons, with incased fiber unbroken, rapidly and without requiring the leaves to be stripped from the stalks before they are run through the machine.
- the machine is conveniently portable and may be readily secured to a bench or stand, its frame being provided with a clamp for such purpose.
- the improved machine for decorticating ramie and similar growths consisting of the frame and the two pairs of yielding surfaced rolls journaled therein, the said rolls being arranged in a common plane and the rollers of each pair being relatively one large and the other small, the rollers of each pair being in contact and the small roll of one pair being in contact with the large roll of the other pair, and the drive mechanism arranged to turn the small rolls faster than the large ones, substantially as set forth.
Description
(No Model.)
W. T. FORBES. MACHINE FOR DEGORTIGATING RAMIE, &c. No. 480,084.
Patented Aug. 2, 1892.
WITNESSES: W
m Penn; 0a., morouruo wAsumuYau, u. c.
NITED STATES PATENT OFFICE.
I/VALTER T. FORBES, OF ATLANTA, GEORGIA.
MACHINE FOR DECORTICATING RAMIE, 80C.
SPECIFICATION forming part of Letters Patent No. 480,084, dated August 2, 1892.
Application filed December 29, 1891- Serial No. 416.481. (No model.)
To all whom it may concern.-
Be it known that I, WALTER T. FORBES, residing at Atlanta, Fulton county, in the State of Georgia, have invented a new and useful Improvement in Machines for Decorticating Ramie, &c., of which the following is a specification.
This invention is an improved machine for decorticating ramie, hemp, jute, and similar growths; and the invention consists in a ma chine comprisinga suitable frame and rollers journaled therein vertically one above the other and arranged as two pairs, one of the rollers of each pair being geared to turn faster than its fellow, the rollers of each pair being in contact and the fast-moving roller of the lower pair being arranged in contact with the slow-moving roller of the upper pair, all substantially as more fully described hereinafter, whereby the fibrous material to be treated will-be first subjected to the action of the upper pair of rolls, then to the action of the contacting rolls of the two pair, and then to the action of the lower pair of rolls.
In the drawings, Figure 1 is a side view, and Fig. 2 is a sectional view.
In carrying out my invention I provide a frame, in which is journaled the rolls 00' a a a, arranged in vertical series, as shown. The upper rolls a to constitute one pair and the lower rolls a a constitute another pair, the rolls of each being in contact and the upper roll of the lower pair being in contact with the lower roll of the upper pair. The rolls a are smaller than the rolls a, and the small rolls are geared to revolve faster than the large rolls, as will be readily understood from the drawings. The rapid turning of one roller compared with the other causes the bark to slip from the wood, and the rolls being formed with yielding surfaces, such surfaces serve to avoid the breaking and tearing of the fibers, and also by reason of such yielding property the surfaces of the rolls operate better to produce the desired longitudinal slipping of the bark.
In practice'the fresh-cut ramie-stalks, which are green and supplied with leaves and contain considerable moisture, are run through the opposing rolls The natural gum which holds the bark to the woody part of the ramiestalk is ruptured by the action of the pressure and the moisture and permits the bark to be slipped from thewood.
It will be understood that the stalks are first passed between the upper pair of rolls, then between the lower rolls of the upper pair and the upper roll of the lower pair, and then between the lower pair of rolls, the bending and returning of the ramie being accomplished by hand or other suitable manner.
The rolls may preferably be of rubber with a metal shaft or core, or they maybe of wood or iron covered bya sleeve of rubber or equivalent material to provide the yielding surfaces desired.
The machine is simple and can be produced at small cost and in practice will produce the ramie-ribbons, with incased fiber unbroken, rapidly and without requiring the leaves to be stripped from the stalks before they are run through the machine.
The machine is conveniently portable and may be readily secured to a bench or stand, its frame being provided with a clamp for such purpose.
Having thus described my invention, what I claim, and desire to secure by Letters Patent, is-
The improved machine for decorticating ramie and similar growths, consisting of the frame and the two pairs of yielding surfaced rolls journaled therein, the said rolls being arranged in a common plane and the rollers of each pair being relatively one large and the other small, the rollers of each pair being in contact and the small roll of one pair being in contact with the large roll of the other pair, and the drive mechanism arranged to turn the small rolls faster than the large ones, substantially as set forth.
WALTER '1. FORBES.
Witnesses:
JOHN ALDREDGER, JAs. O. STURGES.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US480084A true US480084A (en) | 1892-08-02 |
Family
ID=2548936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US480084D Expired - Lifetime US480084A (en) | Machine for decorticating ramie |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US480084A (en) |
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0
- US US480084D patent/US480084A/en not_active Expired - Lifetime
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