US1750533A - Take-up device for ribbon looms - Google Patents
Take-up device for ribbon looms Download PDFInfo
- Publication number
- US1750533A US1750533A US243158A US24315827A US1750533A US 1750533 A US1750533 A US 1750533A US 243158 A US243158 A US 243158A US 24315827 A US24315827 A US 24315827A US 1750533 A US1750533 A US 1750533A
- Authority
- US
- United States
- Prior art keywords
- ribbon
- take
- nov
- disc
- curvature
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D3/00—Woven fabrics characterised by their shape
- D03D3/06—Fabrics of varying width
Definitions
- Patent applications have been filed in Germany on July 26, 1926, Serial Sch. 79,565 VII/860; Austria on Nov. 7, 1927 Switzerland on Nov. 7, 1927; Belgium on Nov. 9,
- the invention relates to a device which allows of taking up curved ribbon produced on mechanical looms so that no alteration of the shape of the ribbon takes place.
- the unwinding table in an inclined position and in this case taking up is preferably effected by a disc, the inside of which is rough rotating about the centre of the circle of curvature of the ribbon.
- the rough surface of the disc can be produced by covering it with an abrasive sheet,
- Figures 1 and 2 are a plan view and side elevation showing the usual method of weaving the weft with the warp in the production of curved ribbon.
- Figure 3 is a plan view of the unwlndlng table.
- Figure 4 is a side elevation similar to Figure 2, but provided with an inclined 11I1 W1I1(l ing table and a take up device consistingof a disc rotatable on an axis coincident with the center of curvature of the ribbon.
- Figure 5 is a plan view to Figure 4; the take up device, however, is omltted.
- the warp threads 1 which are used to form the curved ribbon are shed in the usual manher by means of a harness or shaft and the weft is introduced into the shed by means of a shuttle 2 carrying the bobbin, and beaten up by a reed 4 at a point corresponding to the edge 6 of the unwinding table.
- the weft is not however passed right across the whole width of the ribbon at each pick, but succeeding picks may be of increasing width stepped from the periphery 3 inwards, as shown in Fig. 1. After several such stepped picks the weft is then again introduced over the whole width of the ribbon thus producing a curved ribbon element which is fed forward by the take-up on the unwinding table 5 towards the edge 7 where it is wound off.
- the table 5 is preferably of approximately semicircular shape and arranged in an inclined position, as shown in Figs. 4 and 5.
- a disc 14 rotatable on an inclined axis coincident with the center of the curvature of the ribbon as well as of the table 5 is arranged in close proximity to the table 5.
- the disc 14 may be rotated by a worm gear 15, the worm Wheel being fastened to the disc 14 and pivotally mounted on a bolt 16 fastened TI in any appropriate manner to the frame of the mechanical loom by which the curved loom is produced.
- the inside face of the disc 14 is provided with a rough coating of for instance sand paper or other suitable material, by which good gripping of the ribbon is ensured, when the latter is taken up by the rotating disc 14 and fed forward on the table 5 towards the the ribbon over the support in the direction of its curvature.
- a rough coating of for instance sand paper or other suitable material by which good gripping of the ribbon is ensured, when the latter is taken up by the rotating disc 14 and fed forward on the table 5 towards the the ribbon over the support in the direction of its curvature.
- a take up device for weaving curved ribbon including in combination, an inclined table of approximately semicircular shape supporting the ribbon and a disc rotatable on an inclined axis coincident with the center of curvature of the said ribbon and having a roughened inside surface to move the ribbon over the table.
Description
March 11 1930; G.ILYUDORF 1,750533 TAKE-UP DEVICE FOR RIBBON LOOMS Filed- Dec} 28, 1927 Int enfor- Patented Mar. 11, 1930 UNITED STATES P ATENT OFFICE GUSTAV L'UDORF, OF BARMEN, GERMANY, ASSIGNOR T ARTUR SCHULTE, OF VEL- BERT, RHINELAND; KARL Kl 'CI-I, OF BARMEN; AND WILHELM HOF, OF ELBER- FELD, GERMANY TAKE-UP DEVICE FOR RIBBON LOOMS Application filed December 28, 1927, Serial No. 243,158, and in Germany July 26, 1926.
Patent applications have been filed in Germany on July 26, 1926, Serial Sch. 79,565 VII/860; Austria on Nov. 7, 1927 Switzerland on Nov. 7, 1927; Belgium on Nov. 9,
1927; France on Nov. 10, 1927; Sweden on Nov. 11, 1927; Poland on Nov. 17, 1927; Czechoslovakia on Nov. 19, 1927; Italy on Nov. 23, 1927; England on Nov. 29, 1927.
The invention relates to a device which allows of taking up curved ribbon produced on mechanical looms so that no alteration of the shape of the ribbon takes place.
This is effected according to the invention by the curved ribbon element formed in known manner being conveyed in its formation to a suitably shaped unwinding table and is drawn off the latter by a device pulling in the direction of the arc of curvature of the ribbon.
It is possible to arrange the unwinding table in an inclined position and in this case taking up is preferably effected by a disc, the inside of which is rough rotating about the centre of the circle of curvature of the ribbon. The rough surface of the disc can be produced by covering it with an abrasive sheet,
sand paper or the like.
Several forms of construction of the improved take up device are shown in the drawings.
Figures 1 and 2 are a plan view and side elevation showing the usual method of weaving the weft with the warp in the production of curved ribbon.
Figure 3 is a plan view of the unwlndlng table.
Figure 4 is a side elevation similar to Figure 2, but provided with an inclined 11I1 W1I1(l ing table and a take up device consistingof a disc rotatable on an axis coincident with the center of curvature of the ribbon.
Figure 5 is a plan view to Figure 4; the take up device, however, is omltted.
The warp threads 1 which are used to form the curved ribbon, are shed in the usual manher by means of a harness or shaft and the weft is introduced into the shed by means of a shuttle 2 carrying the bobbin, and beaten up by a reed 4 at a point corresponding to the edge 6 of the unwinding table. The weft is not however passed right across the whole width of the ribbon at each pick, but succeeding picks may be of increasing width stepped from the periphery 3 inwards, as shown in Fig. 1. After several such stepped picks the weft is then again introduced over the whole width of the ribbon thus producing a curved ribbon element which is fed forward by the take-up on the unwinding table 5 towards the edge 7 where it is wound off.
The table 5 is preferably of approximately semicircular shape and arranged in an inclined position, as shown in Figs. 4 and 5. A disc 14 rotatable on an inclined axis coincident with the center of the curvature of the ribbon as well as of the table 5 is arranged in close proximity to the table 5. The disc 14 may be rotated by a worm gear 15, the worm Wheel being fastened to the disc 14 and pivotally mounted on a bolt 16 fastened TI in any appropriate manner to the frame of the mechanical loom by which the curved loom is produced.
The inside face of the disc 14 is provided with a rough coating of for instance sand paper or other suitable material, by which good gripping of the ribbon is ensured, when the latter is taken up by the rotating disc 14 and fed forward on the table 5 towards the the ribbon over the support in the direction of its curvature.
2. A take up device for weaving curved ribbon, including in combination, an inclined table of approximately semicircular shape supporting the ribbon and a disc rotatable on an inclined axis coincident with the center of curvature of the said ribbon and having a roughened inside surface to move the ribbon over the table.
In testimony whereof, I have signed my name to this specification this 7th day of December, 1927.
GUSTAV, LUDORF.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1750533X | 1926-07-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1750533A true US1750533A (en) | 1930-03-11 |
Family
ID=7741751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US243158A Expired - Lifetime US1750533A (en) | 1926-07-26 | 1927-12-28 | Take-up device for ribbon looms |
Country Status (1)
Country | Link |
---|---|
US (1) | US1750533A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998030A (en) * | 1956-11-20 | 1961-08-29 | 3 D Weaving Company | Woven fabrics and method of weaving |
US4158104A (en) * | 1977-06-03 | 1979-06-12 | Southern Weaving Company | Curved woven cable and method |
US20030075231A1 (en) * | 2000-01-11 | 2003-04-24 | Klaus-Peter Wendisch | Draw-off device for narrow fabric looms |
US6659138B2 (en) * | 2000-01-11 | 2003-12-09 | Pd-Lapp Systems Gmbh | Device for producing a tape having a curve, especially a curved flat line compound |
US20070079886A1 (en) * | 2002-04-10 | 2007-04-12 | Rongde Ge | Method for weaving curved warp yarns and a woven fabric |
-
1927
- 1927-12-28 US US243158A patent/US1750533A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2998030A (en) * | 1956-11-20 | 1961-08-29 | 3 D Weaving Company | Woven fabrics and method of weaving |
US4158104A (en) * | 1977-06-03 | 1979-06-12 | Southern Weaving Company | Curved woven cable and method |
US20030075231A1 (en) * | 2000-01-11 | 2003-04-24 | Klaus-Peter Wendisch | Draw-off device for narrow fabric looms |
US6659138B2 (en) * | 2000-01-11 | 2003-12-09 | Pd-Lapp Systems Gmbh | Device for producing a tape having a curve, especially a curved flat line compound |
US20070079886A1 (en) * | 2002-04-10 | 2007-04-12 | Rongde Ge | Method for weaving curved warp yarns and a woven fabric |
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