US1151487A - Art of making artificial silk. - Google Patents
Art of making artificial silk. Download PDFInfo
- Publication number
- US1151487A US1151487A US64665311A US1911646653A US1151487A US 1151487 A US1151487 A US 1151487A US 64665311 A US64665311 A US 64665311A US 1911646653 A US1911646653 A US 1911646653A US 1151487 A US1151487 A US 1151487A
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- Prior art keywords
- thread
- artificial silk
- filament
- silk
- die
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D11/00—Other features of manufacture
- D01D11/06—Coating with spinning solutions or melts
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- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/217—Spinnerette forming conjugate, composite or hollow filaments
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
B. LOEWE.
ART OF MAKING ARTIFICIAL SILK. APPLICATION FILED AUG-29. 19H.
Patented Aug. 24, 1915.
IIIII: IIIIIIIIII i rxu 677702 MCQ means of suitable baths.
'BERNARD LOEWE,
0F PARIS, FRANCE.
ART OF MAKING ARTIFICIAL SILK.
Application filed August 29, 1911.
To all whom it may concern Be it known that I, BERNARD Lonwn, of 50 Rue Labruyere, Paris, France, manufacturer, have invented a new and useful Improvement in the Art of Making Artificial Silk, which improvement is fully set forth in the following specification.
This invention relates to improvements in the process and apparatus for the spinning of artificial silk and the glossing of natural silkand other textile fibers which form the subject of the United States application for Letters Patent filed August 13th 1909 Serial No. 512725 and of the first certificate of addition dated December 11th 1909 No. 13215 to French Patent No. 403242 of September 18th 1908.
Experience has shown that threads of natural silk (or other textile fiber). which have been glossed by the process described in the aforesaid United States application and French certificate of addition, are impregnated with the solution of cellulose or the like which is employed for glossing and take with them on leaving the die a certain quantity of the solution in the form of a filament which may subsequently be separated from the thread of natural silk by I There is thus obtained an artificial raw thread with two or more strands twisted together owing to the twisting movement to which the thread is subjected as it leaves the die as is described in the aforesaid United States application and French certificate of addition. One of these strands is formed of the thread of raw natural silk or of cocoon filaments that has been glossed and the other, or others, of filaments of artificial silk which this thread has drawn out with it.
By the utilization in accordance with the present invention of dies with several orifices, one of which, the center one, serves for the exit of the glossed thread and of the filament of artificial silk drawn out by that thread, whilethe others situated around it serve for the exit of the filaments of arti- Specification of Letters Patent.
Patented Aug. 24, 1915.
Serial No. 646,653.
ficial threads obtained in this way are extremely regular and of great strength while possessing the fineness of the naturah silk. In quality and appearance they resemble the best natural silk; of which they posses many valuable properties.
The accompanying drawing, given for the sake of example, shows different forms of dies suitable for carrying out this invention.
Figure l is a section on an enlarged scale of a die for glossing and spinning and provided with a single supplementary orifice. Figs. 2 and 3 are perspective views of dies having respectively 2 and 4 supplementary orifices for the formation of filaments of artificial silk. Fig. 4 is a sectional elevation showing the manner of mounting the die shown in Fig. 2.
As shown diagrammatically in Fig. 1 there issue from the principal orifice a of the die a thread (2 of natural silk (shown by a full line) glossed in its passage through the die and also a filament c of artificial silk (represented by a dot and dash line) which is drawn out by the thread I) and is twisted upon it. From the supplementary orifice all issues a filament e of artificial silk (represented by a dotted line) which twists itself upon and adheres to the threads 6 and 0 in such a way as to form an artificial thread of three strands, which may be subsequently separated by means of suitable baths as above mentioned. For these baths any solution capable of slowly dissolving the substance of the artificial thread, but sufiiciently weak to act only on its surface, may be employed, the function of such bath being to simply loosen the artificial thread or filament from the thread of natural fiber. As an example of a bath ,of this character, a four-tenth per cent. aqueous solution of soap, to which 1%. one-thousandths of anhydrous sodium carbonate are added, is given. The compound thread is immersed in this solution for from 10 to 15 minutes, the bath having a temperature of from 80 to 100, centigrade. The thread is not injuriously attacked under this treatment. the solution servingsimply to separate or loosen the strands.
The die shown in perspective in Fig. 2 has a principal vertical orifice f and two subsidiary lateral orifices g 9 it yields a 4-strand thread, that is: one strand of glolkssed natural silk and three of artificial s1 In the arrangement shown in Fig. 3 there are a main vertical orifice h and four supplementary lateral orifices i i i 71,; this gives a thread composed of one strand of glossed natural silk and five strands of artificial silk. In these different arrangements the tension which may be applied to the thread of natural silk combined with the pressure on the solution of artificial silk behind the dies permits of spinning at a considerable speed.
It is obvious that the dies instead of hav- .ing two, three or five orifices as shown in the drawing might have any other suitable number. The dies may be of any shape and composed of glass, metal or other suitable material or composite dies may be employed, formed of metal and glass. The remainder of the machine is formed as described and shown in the aforesaid United States application and French certificate of addition.
As shown in Fig. 4 the. die properly so called, for. example the die f, is mounted in a plug 1 fitting into the head 2 itself fixed in the pipe 3 as described in the United States application referred to.
It is necessary that the tension on the thread as it issues from the dies should be suflicient to overcome the friction due to a large extent to the bobbins from which the natural thread unwinds before entering the die. This cause of friction may be obviated and the strength and elasticity of the product thereby increased by rotating the bobbins from which the thread of natural silk unwinds at a speed equal to that of the bobbins on which the glossed thread is wound. For this purpose the frames of the silk filament bobbins may be provided with gearing by which the said bobbins may be driven at the speed desired.
- By throwing and so uniting the product of the spinning of two or'more raw threads there may be combined directly with the spinning the throwing into weft and organzine of one or more strands.
Claims: 1 r
1. In the art of making artificialsilk, the process which consists in drawing a thread or filament of natural fiber through a die containing an artificial silk bath, and proecting an additional filament of, artificial silk against the thread or filament as it issues from the die, and twisting the group composed of natural fiber and the additional filament of artificial silk as it issues from the die.
" 2. In the art of making artificial silk, the process whichconsists in drawing a thread of natural fiber through a die. containing an artificial silk bath, twisting the thread as it issues from the die, and separating the filament of artificial silk formed on. the surface of the natural silk by immersing the same" in a solvent bath.
3. In the art of making artificial silk, the process which consists in drawing a thread or filament of natural fiber through a die containing the artificial silk bath, and projecting artificial silk against the thread or bined natural and artificial silk filament,
comprising a main longitudinal filamentcoating orifice, in combination with one or more lateral orifices, arranged to project a filament transversely into the path of the filament issuing from the main orifice, and as it issues from the die.
5. In the art of preparing artificial silk products, a die for the formation of a combined natural and artificial silk filament, comprising a main longitudinal filament forming orifice, in combination with one or more lateral orifices, communicating with the main orifice, arranged to project a filament transversely into the path of the filament issuing from the main orifice and as it issues from the die.
6. In the art of preparing artificial silk products, a die for the formation of a combined natural and artificial silk filament, comprising a main longitudinal filamentforming orifice, in combination. with one or more lateral orifices, communicating with the main orifice, arranged to project a filament. transversely into the path of the filament issuing from the main orifice, and means for twisting the filament issuing from the orifices and as it issues from the die.
7. In the art of preparing artificial silk products, a die for the formation of an artificial silk filament, comprising a main longitudinal filament-forming orifice, in comorifice arranged in advance and beyond the extremity of the longitudinal orifice.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
BERNARD LOEWE.
' Witnesses:
H. C. Ooxn, FREDERIC HARLfi.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64665311A US1151487A (en) | 1911-08-29 | 1911-08-29 | Art of making artificial silk. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64665311A US1151487A (en) | 1911-08-29 | 1911-08-29 | Art of making artificial silk. |
Publications (1)
Publication Number | Publication Date |
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US1151487A true US1151487A (en) | 1915-08-24 |
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Family Applications (1)
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US64665311A Expired - Lifetime US1151487A (en) | 1911-08-29 | 1911-08-29 | Art of making artificial silk. |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253437A (en) * | 1963-10-14 | 1966-05-31 | Monsanto Co | Liquid applicator and yarn convergence device |
US3526689A (en) * | 1968-04-03 | 1970-09-01 | Union Carbide Corp | Fused multifilament round spandex yarn |
US3806572A (en) * | 1969-09-10 | 1974-04-23 | Raybestos Manhattan Inc | Production of asbestos products |
US4028081A (en) * | 1975-12-11 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Method for manufacturing helical optical fiber |
US5366362A (en) * | 1989-12-22 | 1994-11-22 | The United States Of America As Represented By The Secretary Of The Air Froce | Apparatus for extruding a single aromatic heterocyclic polymeric fiber |
-
1911
- 1911-08-29 US US64665311A patent/US1151487A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3253437A (en) * | 1963-10-14 | 1966-05-31 | Monsanto Co | Liquid applicator and yarn convergence device |
US3526689A (en) * | 1968-04-03 | 1970-09-01 | Union Carbide Corp | Fused multifilament round spandex yarn |
US3806572A (en) * | 1969-09-10 | 1974-04-23 | Raybestos Manhattan Inc | Production of asbestos products |
US4028081A (en) * | 1975-12-11 | 1977-06-07 | Bell Telephone Laboratories, Incorporated | Method for manufacturing helical optical fiber |
US5366362A (en) * | 1989-12-22 | 1994-11-22 | The United States Of America As Represented By The Secretary Of The Air Froce | Apparatus for extruding a single aromatic heterocyclic polymeric fiber |
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