GB942791A - Improvements in textile spinning and twisting machines - Google Patents
Improvements in textile spinning and twisting machinesInfo
- Publication number
- GB942791A GB942791A GB2838158A GB2838158A GB942791A GB 942791 A GB942791 A GB 942791A GB 2838158 A GB2838158 A GB 2838158A GB 2838158 A GB2838158 A GB 2838158A GB 942791 A GB942791 A GB 942791A
- Authority
- GB
- United Kingdom
- Prior art keywords
- trolley
- yarn
- machine
- feeler
- detector
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
- D01H13/145—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements set on carriages travelling along the machines; Warning or safety devices pulled along the working unit by a band or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
942,791. Spinning. ELECTRONICS (BRADFORD) Ltd., N. A. D. WALKER, and G. C. L. CAMPBELL. Dec. 3, 1959 [Sept. 4, 1958], No. 28381/58. Headings DID and D1F. In the detection and electrical indication of the presence or absence of an end of yarn on a spinning or twisting machine (and, if required, the operation of a stop-motion in response thereto) a feeler device, sensitive either to continuous pressure caused by its contact with successive yarn ends or to continuous vibration caused by intermittent contact with it of the ballooning yarn, is continuously traversed between the ends of the machine and close to the paths of the yarns. The feeler may extend lengthwise of the machine over a distance slightly greater than that between adjacent spindles. As shown, yarn t is delivered by rollers 1,2, through guide 3 to be wound by a ring 4 on to a spindle 5. A trolley or carriage 10 is moved, as by means of a cord or wire driven by a reversible motor (not shown) so that detector mechanism such as a transducer 7 with a spring-biased feeler 8 which normally rests lightly on successive yarns, traverses the machine. Movement of feeler 8 from normal position actuates a switch, or relay controlling a mechanical clutch, to stop the machine and give an alarm signal. In another embodiment the vibrations are normally transmitted to the diaphragm of a microphone (carried on trolley 10) the output of which is applied to an electro-magnetic relay: when a yarn breaks, the output fails and the relay is released to operate a warning and/ or selective indicating device and arrest the motion of the trolley or close a clamp to break the sliver entering the rollers 1,2. The detector may be suppressed during doffing and for a short period thereafter to prevent false indications. If a fault occurs in the detector circuits or the trolley wire breaks, a time delay (which is adjusted to a slightly longer period than the time taken for the trolley traverse) and a switch operated by the trolley ensure that the detector device is switched off and that such action is signalled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2838158A GB942791A (en) | 1958-09-04 | 1958-09-04 | Improvements in textile spinning and twisting machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2838158A GB942791A (en) | 1958-09-04 | 1958-09-04 | Improvements in textile spinning and twisting machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB942791A true GB942791A (en) | 1963-11-27 |
Family
ID=10274756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2838158A Expired GB942791A (en) | 1958-09-04 | 1958-09-04 | Improvements in textile spinning and twisting machines |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB942791A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3411281A (en) * | 1966-01-17 | 1968-11-19 | Guido Carlo | Device for indicating broken threads in spinning machines |
| GB2136832A (en) * | 1983-03-18 | 1984-09-26 | Elitex Zavody Textilniho | Thread motion detector |
| DE4037880A1 (en) * | 1990-11-28 | 1992-06-04 | Zinser Textilmaschinen Gmbh | Ring spinning frame - has moving sensors at time of automatic doffing to ensure no spindle winds without a tube |
| US5140805A (en) * | 1990-02-14 | 1992-08-25 | Zignago Tessile Spa | Device to check the presence of threads on spinning machines |
| CN113430688A (en) * | 2021-08-03 | 2021-09-24 | 黄石宏和电子材料科技有限公司 | Device and method for preventing twisted yarn from reversing |
-
1958
- 1958-09-04 GB GB2838158A patent/GB942791A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3411281A (en) * | 1966-01-17 | 1968-11-19 | Guido Carlo | Device for indicating broken threads in spinning machines |
| GB2136832A (en) * | 1983-03-18 | 1984-09-26 | Elitex Zavody Textilniho | Thread motion detector |
| US5140805A (en) * | 1990-02-14 | 1992-08-25 | Zignago Tessile Spa | Device to check the presence of threads on spinning machines |
| DE4037880A1 (en) * | 1990-11-28 | 1992-06-04 | Zinser Textilmaschinen Gmbh | Ring spinning frame - has moving sensors at time of automatic doffing to ensure no spindle winds without a tube |
| CN113430688A (en) * | 2021-08-03 | 2021-09-24 | 黄石宏和电子材料科技有限公司 | Device and method for preventing twisted yarn from reversing |
| CN113430688B (en) * | 2021-08-03 | 2022-06-10 | 黄石宏和电子材料科技有限公司 | Device and method for preventing twisted yarn from reversing |
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