EP0153514A1 - Ligature - Google Patents
Ligature Download PDFInfo
- Publication number
- EP0153514A1 EP0153514A1 EP84301053A EP84301053A EP0153514A1 EP 0153514 A1 EP0153514 A1 EP 0153514A1 EP 84301053 A EP84301053 A EP 84301053A EP 84301053 A EP84301053 A EP 84301053A EP 0153514 A1 EP0153514 A1 EP 0153514A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filament
- ligature
- terminal portion
- spiral
- ring
- 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.)
- Withdrawn
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
- B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof
- B65D63/1018—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like
- B65D63/1027—Joints produced by application of integral securing members, e.g. buckles, wedges, tongue and slot, locking head and teeth or the like the integral securing member being formed as a female and male locking member, e.g. locking head and locking teeth, or the like
Definitions
- the present invention relates to a ligature (or tie) for tying articles, comprising a filament having first and second terminal portions.
- the ligature may be used, for example, for tying the top of a bag or sack.
- a ligature may simply be a length of wire, the ends of which are twisted together after the wire has been passed around the neck.
- a second known ligature comprises a filament of flexible material having an eye at a first end through which the second end can pass.
- the inner surface of the eye and the outer surface of the filament cooperate to prevent the loop formed by the ligature from loosening. For this reason, the cooperating surfaces may be roughened or shaped to provide increased friction between the eye and the filament.
- a ligature particularly to a full bag
- the bag may be difficult to support in a convenient position, and there is a tendency for the neck of the bag to untwist while the ends of the ligature are being connected, or the ligature is being tightened.
- a ligature according to the present invention is characterised in that the filament is resilient and flexible and describes a pre-determined curve in a first plane and in that the first terminal portion is adapted so as to be capable of being hooked onto the filament adjacent the second terminal portion, to be slidably engageable with the filament.
- a ligature according to the invention may be passed around a bag with one hand.
- the user's first hand can also connect the ends of the ligature and tighten it about the neck.
- the user's second hand is therefore free to provide support for the bag and to prevent the neck from untwisting throughout the operation, until the ligature has been successfully applied and tightened.
- the first embodiment of the ligature 10 comprises a flexible filament 12 which may be, for instance, of 1 mm diameter copper wire, or another malleable metal.
- the filament describes a curve in a first plane, which is the plane of the paper in Fig. 1.
- the first terminal portion 14 forms a portion of a spiral in a second plane, which is perpendicular to the paper in Fig. 1.
- the first terminal portion 14 may be hooked onto the filament 12 adjacent the second terminal portion 16.
- the second terminal portion 14 is slidable along the filament 12, and the ligature 10 forms a closed loop.
- the ligature 10 should be formed so that before use, the spiral portion 14 and the filament 12 adjacent the second terminal portion 16 are only separated by a narrow gap 18.
- the second terminal portion 16 is formed into a ring by tightly wrapping the end 17 around the filament 12.
- the ring 16 so formed has dimensions which enable a finger to be inserted therein.
- the curve of the filament 12 incorporates a straight portion 20, substantially perpendicular to the filament 12 adjacent the ring, between the spiral portion 14 and an elbow 22 in the filament 12.
- the spiral portion 14 defines a sufficient portion of a spiral to enable the portion 14 to be securely hooked onto the filament 12.
- the ligature is satisfactory when the spiral portion 14 defines one complete revolution of a spiral.
- the form of the spiral portion 14 can be varied according to the properties of the filament material.
- the ligature 10 is held in one hand, with a finger through the ring 16.
- a neck 24 is formed in the bag in the manner described above and the ligature 10 is passed around the neck, so that the neck passes through the gap 18.
- the filament 12 is then around the neck 24.
- the thumb of the hand holding the ligature is applied to the elbow 22 and, by pushing against the resilience of the wire, guides the spiral portion 14 under and -past the filament 12 (the term "under” being used to indicate the position relative to the ligature which appears as "under” in the drawings) .
- the filament springs back until the spiral portion 14 surrounds the filament (see Fig.3).
- the spiral portion 14 is -thereby in slidable engagement with the filament adjacent the ring 16 and the ligature forms a closed loop around the neck 24 of the bag.
- the closed loop forced by the ligature 10 tightens as the spiral portion 14 slides along the filament 12 to the position shown in Fig. 4.
- the ring is pulled until the neck 24 is held satisfactorily tightly.
- the spiral portion 14 may partially uncoil, but the bag can be secured except when it has a very narrow neck, before the spiral portion 14 disengages the filament 12. Indeed, the end of the spiral has been observed to engage a plastic bag and to be driven into the neck of the bag as the ligature is tightened, thus securely tying the bag.
- FIG. 5 A second embodiment of the ligature is shown in Fig. 5. Where applicable, numerals used in Figs. 1 to 4 are used in Fig. 5 to indicate corresponding parts of the two embodiments of the ligature.
- the ligature 10 shown in Fig. 5 is made from a flexible synthetic plastics material, for instance nylon.
- the plastic filament 12 has an integrally formed ring 16 at one end. At the other end, the filament widens into a spiral band 14.
- the filament may conveniently have a circular cross-section, but other cross-sections may of course, be used.
- the ligature 10 of Fig. 5 is applied to the neck of a bag in the sane way as is the first embodiment.
- the inner-facing surface of the spiral band 14 and the outer surface of the filament 12 along a portion of the length of the filament 12, are formed to cooperate to prevent the spiral band 14 from moving along the filament towards the ring 16, and thereby to prevent the ligature 10 from loosening once it has been tightened.
- the surface of the filament 12 is roughened and the inside of the spiral band 14 is provided with ridges.
- the present ligature can be applied with one hand, in the manner described, whilst the user's second hand prevents the neck from untwisting.
- the ligature can be tightened sufficiently for the ring 16 to be used as a carrying handle for the closed bag.
- the ring 16 forms a useful carrying handle by which the bag can be carried.
- the ring can in an alternative be replaced by a T-bar at the end of the filament.
- ligature has been described for use in tying a bag, it can be used for a multitude of other purposes, for example for holding a bundle of cables together.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The ligature is made from a wire filament 12 formed into a ring 16 at one end and describes a planar curve to the other terminal portion 14 which describes a spiral. The spiral lies in a plane substantially perpendicular to the plane of the curve of the filament. The spiral portion 14 can slidably engage the filament 12 adjacent the ring 16 to form a closed loop about an article 24. Pulling the ring 16 along the line of the filament 12 causes the ligature to tighten. An elbow 22 in the filament enables the ligature to be applied with one hand, leaving the applicant's other hand free to hold the article 24.
Description
- The present invention relates to a ligature (or tie) for tying articles, comprising a filament having first and second terminal portions. The ligature may be used, for example, for tying the top of a bag or sack.
- It is well known to close the top of a full bag or sack by tightening a ligature about a neck formed in the bag. The neck is formed by holding and twisting a portion of the bag adjacent the opening. The ligature may simply be a length of wire, the ends of which are twisted together after the wire has been passed around the neck.
- A second known ligature comprises a filament of flexible material having an eye at a first end through which the second end can pass. The inner surface of the eye and the outer surface of the filament cooperate to prevent the loop formed by the ligature from loosening. For this reason, the cooperating surfaces may be roughened or shaped to provide increased friction between the eye and the filament.
- Successful application of a ligature, particularly to a full bag, can be hard to achieve. The bag may be difficult to support in a convenient position, and there is a tendency for the neck of the bag to untwist while the ends of the ligature are being connected, or the ligature is being tightened.
- A ligature according to the present invention is characterised in that the filament is resilient and flexible and describes a pre-determined curve in a first plane and in that the first terminal portion is adapted so as to be capable of being hooked onto the filament adjacent the second terminal portion, to be slidably engageable with the filament.
- While the known ligatures described above require two hands to connect the ends of the ligature, a ligature according to the invention may be passed around a bag with one hand. The user's first hand can also connect the ends of the ligature and tighten it about the neck. The user's second hand is therefore free to provide support for the bag and to prevent the neck from untwisting throughout the operation, until the ligature has been successfully applied and tightened.
- Two embodiments of the invention will be described with reference to the drawings, in which:-
- Figs. 1 to 4 show one embodiment of the ligature according to the invention and indicates its method of use, and
- Fig. 5 shows a second embodiment.
- Referring to Fig. 1, the first embodiment of the
ligature 10 comprises aflexible filament 12 which may be, for instance, of 1 mm diameter copper wire, or another malleable metal. The filament describes a curve in a first plane, which is the plane of the paper in Fig. 1. Thefirst terminal portion 14 forms a portion of a spiral in a second plane, which is perpendicular to the paper in Fig. 1. Thefirst terminal portion 14 may be hooked onto thefilament 12 adjacent thesecond terminal portion 16. When hooked onto thefilament 12, thesecond terminal portion 14 is slidable along thefilament 12, and theligature 10 forms a closed loop. For ease of use, theligature 10 should be formed so that before use, thespiral portion 14 and thefilament 12 adjacent thesecond terminal portion 16 are only separated by anarrow gap 18. - The
second terminal portion 16 is formed into a ring by tightly wrapping theend 17 around thefilament 12. Thering 16 so formed has dimensions which enable a finger to be inserted therein. - The curve of the
filament 12 incorporates astraight portion 20, substantially perpendicular to thefilament 12 adjacent the ring, between thespiral portion 14 and anelbow 22 in thefilament 12. - The
spiral portion 14 defines a sufficient portion of a spiral to enable theportion 14 to be securely hooked onto thefilament 12. In the case of copper wire, it has been found that the ligature is satisfactory when thespiral portion 14 defines one complete revolution of a spiral. The form of thespiral portion 14 can be varied according to the properties of the filament material. - Referring also to Figs. 2, 3 and 4, the method by which the
ligature 10 may be used to secure the opening of a bag will now be described. Theligature 10 is held in one hand, with a finger through thering 16. Aneck 24 is formed in the bag in the manner described above and theligature 10 is passed around the neck, so that the neck passes through thegap 18. Thefilament 12 is then around theneck 24. The thumb of the hand holding the ligature is applied to theelbow 22 and, by pushing against the resilience of the wire, guides thespiral portion 14 under and -past the filament 12 (the term "under" being used to indicate the position relative to the ligature which appears as "under" in the drawings) . - Upon release of the
elbow 22 by the thumb, the filament springs back until thespiral portion 14 surrounds the filament (see Fig.3). Thespiral portion 14 is -thereby in slidable engagement with the filament adjacent thering 16 and the ligature forms a closed loop around theneck 24 of the bag. - By pulling with the finger in the
ring 16, the closed loop forced by theligature 10 tightens as thespiral portion 14 slides along thefilament 12 to the position shown in Fig. 4. The ring is pulled until theneck 24 is held satisfactorily tightly. During application of theligature 10, thespiral portion 14 may partially uncoil, but the bag can be secured except when it has a very narrow neck, before thespiral portion 14 disengages thefilament 12. Indeed, the end of the spiral has been observed to engage a plastic bag and to be driven into the neck of the bag as the ligature is tightened, thus securely tying the bag. - A second embodiment of the ligature is shown in Fig. 5. Where applicable, numerals used in Figs. 1 to 4 are used in Fig. 5 to indicate corresponding parts of the two embodiments of the ligature. The
ligature 10 shown in Fig. 5 is made from a flexible synthetic plastics material, for instance nylon. Theplastic filament 12 has an integrally formedring 16 at one end. At the other end, the filament widens into aspiral band 14. The filament may conveniently have a circular cross-section, but other cross-sections may of course, be used. - The
ligature 10 of Fig. 5 is applied to the neck of a bag in the sane way as is the first embodiment. The inner-facing surface of thespiral band 14 and the outer surface of thefilament 12 along a portion of the length of thefilament 12, are formed to cooperate to prevent thespiral band 14 from moving along the filament towards thering 16, and thereby to prevent theligature 10 from loosening once it has been tightened. To this end the surface of thefilament 12 is roughened and the inside of thespiral band 14 is provided with ridges. - It will be seen that the ligatures described above are more convenient to use than known devices. The present ligature can be applied with one hand, in the manner described, whilst the user's second hand prevents the neck from untwisting. The ligature can be tightened sufficiently for the
ring 16 to be used as a carrying handle for the closed bag. - The
ring 16 forms a useful carrying handle by which the bag can be carried. The ring can in an alternative be replaced by a T-bar at the end of the filament. - While the ligature has been described for use in tying a bag, it can be used for a multitude of other purposes, for example for holding a bundle of cables together.
- It will be apparent that the ligatures described may be made in a variety of materials, sizes and shapes according to the application for which they are intended, whilst remaining within the scope of the invention. It is thought that glass fibre might form a suitable basis as an alternative material.
Claims (8)
1. A ligature (10) for tying articles, comprising a filament (12) having first and second terminal portions (14, 16), characterised in that the filament (12) is resilient and flexible and describes a pre-determined curve in a first plane,.and in that the first terminal portion (14) is adapted so as to be capable of being hooked onto the filament (12) adjacent the second terminal portion (16), to be slidably engageable with the filament (12).
2. A ligature according to claim 1, characterised in that the first terminal portion (14) forms a portion of a spiral in a second plane.
3. A ligature according to either of the above claims, characterised in that there is an elbow (22) at an intermediate point in the filament (14), and in that the portion of the curve between the first terminal portion (14) and the elbow (22) is straight and substantially perpendicular to the portion of the curve adjacent the second terminal portion (16).
4. A ligature according to any of the above claims, characterised in that the second terminal portion (16) forms a ring to facilitate pulling the filament (12) to tighten the ligature (10).
5. A ligature according to any of the above claims, character- rised in that the filament (12) is deformable to prevent the ligature (10) loosening when it has been tightened.
6. A ligature according to claim 5, characterised in that the filament (12) is made from copper.
7. A ligature according to any of claims 1 to 4, characterised in that the filament (12) is made from a synthetic plastics material and in that the filament (12) along at least part of its length and the first terminal portion (14) cooperate to prevent the ligature (12) loosening when it has been tightened.
8. A ligature according to claim 7, characterised in that the synthetic plastics material is nylon.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08226424A GB2130632B (en) | 1982-09-16 | 1982-09-16 | Ligature |
EP84301053A EP0153514A1 (en) | 1982-09-16 | 1984-02-17 | Ligature |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08226424A GB2130632B (en) | 1982-09-16 | 1982-09-16 | Ligature |
EP84301053A EP0153514A1 (en) | 1982-09-16 | 1984-02-17 | Ligature |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0153514A1 true EP0153514A1 (en) | 1985-09-04 |
Family
ID=26093245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84301053A Withdrawn EP0153514A1 (en) | 1982-09-16 | 1984-02-17 | Ligature |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0153514A1 (en) |
GB (1) | GB2130632B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105832370A (en) * | 2016-01-07 | 2016-08-10 | 王劲 | Disposable tubular viscera tying lift apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080039879A1 (en) * | 2006-08-09 | 2008-02-14 | Chin Albert K | Devices and methods for atrial appendage exclusion |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2314252A (en) * | 1941-04-02 | 1943-03-16 | Hammond Bag & Paper Company | Device for closing and carrying containers |
US2628396A (en) * | 1950-10-05 | 1953-02-17 | Louis M Grimes | Bag closure |
CH529019A (en) * | 1971-09-22 | 1972-10-15 | Injecta Ag | Bag closure |
US3882573A (en) * | 1974-01-02 | 1975-05-13 | Jr Stanley E Thomas | Flexible, reusable fastener |
DE2750588A1 (en) * | 1977-01-25 | 1978-07-27 | Marcel Genoud | Wire clasp closure esp. for neck of refuse sack - is U=shaped with interlockable arms and enlarged base opening for neck |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB540913A (en) * | 1941-04-09 | 1941-11-05 | Dudley Russel Howitt | Improvements in or connected with fastening devices |
GB658036A (en) * | 1949-05-06 | 1951-10-03 | Harry Truswell | Improvements in or relating to a tying device |
GB864348A (en) * | 1957-05-15 | 1961-04-06 | William Burford | Improvements in and relating to ties or connectors |
-
1982
- 1982-09-16 GB GB08226424A patent/GB2130632B/en not_active Expired
-
1984
- 1984-02-17 EP EP84301053A patent/EP0153514A1/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2314252A (en) * | 1941-04-02 | 1943-03-16 | Hammond Bag & Paper Company | Device for closing and carrying containers |
US2628396A (en) * | 1950-10-05 | 1953-02-17 | Louis M Grimes | Bag closure |
CH529019A (en) * | 1971-09-22 | 1972-10-15 | Injecta Ag | Bag closure |
US3882573A (en) * | 1974-01-02 | 1975-05-13 | Jr Stanley E Thomas | Flexible, reusable fastener |
DE2750588A1 (en) * | 1977-01-25 | 1978-07-27 | Marcel Genoud | Wire clasp closure esp. for neck of refuse sack - is U=shaped with interlockable arms and enlarged base opening for neck |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105832370A (en) * | 2016-01-07 | 2016-08-10 | 王劲 | Disposable tubular viscera tying lift apparatus |
CN105832370B (en) * | 2016-01-07 | 2018-02-06 | 王劲 | Disposal tube type internal organ tie up drawing device |
Also Published As
Publication number | Publication date |
---|---|
GB2130632B (en) | 1985-08-14 |
GB2130632A (en) | 1984-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR IT LI LU NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19860506 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HORNER, VICTOR JAMES |