US2860902A - Means for mechanically tying knots - Google Patents
Means for mechanically tying knots Download PDFInfo
- Publication number
- US2860902A US2860902A US583433A US58343356A US2860902A US 2860902 A US2860902 A US 2860902A US 583433 A US583433 A US 583433A US 58343356 A US58343356 A US 58343356A US 2860902 A US2860902 A US 2860902A
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- US
- United States
- Prior art keywords
- cord
- knot
- conduit
- interior
- convolution
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
- B65B13/24—Securing ends of binding material
- B65B13/26—Securing ends of binding material by knotting
Definitions
- the present invention relates to a method of and means for mechanically forming and tying knots and loops.
- the cord 3 to be tied into a knot is attached to a flexible hollow guide element 2, which may be a piece of flexible helically wound spring.
- the flexible guide element with the attached cord 3 is guidingly moved through a conduit which has the shape of the loop or knot to be formed, including the intersecting portions where one portion of the cord passes over or under another portion of the cord.
- the cord is pushed through the conduit by means of the guide element and is held in position at the outer end of the guide element while the guide element is retracted.
- the conduit has slot means facing centrally or toward the location of the knot to be formed.
- the cord is pulled out of the conduit through its lateral open or slot means by pulling on its two ends, the knot being formed centrally of the conduit around an article to be tied.
- the conduit may be suitably formed for all types of simple, double and multiple knots to make any desired knot.
- cord is applied to any flexible filament, thread, strand, string, band, tow and the like which may be looped and tied into knots.
- Fig. 1 is a plan view of one embodiment of the invention, comprising a tubular conduit
- Fig. 2 is a perspective view of certain conduit portions, showing one detail.
- the conduit for hollow, flexible cord guide element 2 is designated by reference numeral 1.
- Conduit 1 is provided with longitudinal slots 4 through which the cord 3 is adapted to slide to form knot 7 around object 6, a double knot being shown in Fig. 1.
- the interior windings of the conduit are provided with transverse notches to permit the cord from the corresponding outer windings to pass therethrough toward the center when the knot is formed. As shown in Fig. 1, three such notches are necessary in case of a double knot. The exact location of these notches is completely optional as long as they are provided on any interior winding surrounded by an exterior winding.
- the principle of forming knots according to the present invention is applicable to all cases where continuous cords are to be formed into knots to be tied around an object.
- the method and means of the invention have been found particularly useful in the food industry for tying the ends of sausages, for instance. It has also found application in the textile and other industries.
- the knot will preferably be tied with the retraction of the hollow guide element so that the hollow guide element with the cord is always in the end position at the beginning of the tying step whereby an idle stroke for insertion of the guide element is saved and the efficiency of the operation is correspondingly increased.
- a device for forming and tying a knot around an object with one continuous length of cord comprising a tortuous and convolute tube for receiving the cord and having the configuration of the desired knot, the tube being longitudinally slotted to permit the cord to be laterally pulled inwardly from the tube around the object placed centrally in respect of the tube convolutions, the tube comprising a first interior convolution, an outer convolution and a second interior convolution, the interior convolutions crossing alternately over and under each other at three points whereby the first interior convolution forms a portion surrounding a portion of the second interior convolution between two crossing points and the second interior convolution forms a portion surrounding a portion of the first interior convolution between two crossing points, the interior convolutions having cord inlet and cord outlet end portions respectively, the outer convolution surrounding said inner convolutions, and one of said end portions surrounded by the outer convolution as well as the two portions of the first and second interior convolutions respectively surrounded by the respective second and first convolution portions being transversely notched to permit the cord to be laterally pulled in
- a device for forming and tying a knot around an object with one continuous length of cord comprising a tortuous and convolute tube for receiving the cord and having the configuration of the desired knot, the tube being longitudinally slotted to permit the cord to be laterallypulled inwardly from the tube around the object placed centrally in respect of the tube convolutions, thetube comprising two convolutions crossing alternately over and under each other at five points whereby there are formed between two each adjacent crossing points four interior convolution portions surrounded by four exterior convolution portions, each interior convolution portion being transversely notched to permit the cord to be laterally pulled inwardly from the surrounding exterior portion through the surrounded interior portion.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Decoration Of Textiles (AREA)
Description
Nov. 18, 1958 A. DIELS 2,860,902
MEANS FOR MECHANICALLY TYING KNOTS Filed May 8, 1956 INVEN TOR. ALBERT D IELS MA m. Mm,
AGENT United States Patent MEANS F 0R MECHANECALLY TYING KNOTS Albert Diels, Brussels-Ucele, Belgium Application May 8, 1956, Serial No. 583,433
Claims priority, application Germany May 12, 1955 2 Claims. (Cl. 289-2) The present invention relates to a method of and means for mechanically forming and tying knots and loops.
It is known to loop and tie cords and like elongated flexible elements with the aid of mechanical parts actuated by complicated lever transmission systems.
It is the principal object of this invention to provide a simple method and means for mechanically forming and tying knots.
According to the invention, the cord 3 to be tied into a knot is attached to a flexible hollow guide element 2, which may be a piece of flexible helically wound spring. The flexible guide element with the attached cord 3 is guidingly moved through a conduit which has the shape of the loop or knot to be formed, including the intersecting portions where one portion of the cord passes over or under another portion of the cord.
The cord is pushed through the conduit by means of the guide element and is held in position at the outer end of the guide element while the guide element is retracted. The conduit has slot means facing centrally or toward the location of the knot to be formed.
Once the hollow guide element is removed from the conduit, the cord is pulled out of the conduit through its lateral open or slot means by pulling on its two ends, the knot being formed centrally of the conduit around an article to be tied.
The conduit may be suitably formed for all types of simple, double and multiple knots to make any desired knot.
Throughout the specification and claims, the term cord is applied to any flexible filament, thread, strand, string, band, tow and the like which may be looped and tied into knots.
The invention will be more fully set forth in the following detailed description of a now preferred mechanical knotting means illustrated in the accompanying drawing,
wherein Fig. 1 is a plan view of one embodiment of the invention, comprising a tubular conduit; and
Fig. 2 is a perspective view of certain conduit portions, showing one detail.
The conduit for hollow, flexible cord guide element 2 is designated by reference numeral 1. Conduit 1 is provided with longitudinal slots 4 through which the cord 3 is adapted to slide to form knot 7 around object 6, a double knot being shown in Fig. 1. The interior windings of the conduit are provided with transverse notches to permit the cord from the corresponding outer windings to pass therethrough toward the center when the knot is formed. As shown in Fig. 1, three such notches are necessary in case of a double knot. The exact location of these notches is completely optional as long as they are provided on any interior winding surrounded by an exterior winding.
The principle of forming knots according to the present invention is applicable to all cases where continuous cords are to be formed into knots to be tied around an object. The method and means of the invention have been found particularly useful in the food industry for tying the ends of sausages, for instance. It has also found application in the textile and other industries.
From a practical point of view, it will be preferred to pre-tension the cord on cones which are arranged centrally of the guide conduit. Furthermore, the knot will preferably be tied with the retraction of the hollow guide element so that the hollow guide element with the cord is always in the end position at the beginning of the tying step whereby an idle stroke for insertion of the guide element is saved and the efficiency of the operation is correspondingly increased.
While the invention has been specifically described and illustrated in connection with certain preferred embodiments thereof, it will be obvious that many variations and modifications may occur to the skilled in the art after they have benefited from the present teaching without departing from the spirit and scope of the invention as defined in the appended claims.
I claim:
1. A device for forming and tying a knot around an object with one continuous length of cord, comprising a tortuous and convolute tube for receiving the cord and having the configuration of the desired knot, the tube being longitudinally slotted to permit the cord to be laterally pulled inwardly from the tube around the object placed centrally in respect of the tube convolutions, the tube comprising a first interior convolution, an outer convolution and a second interior convolution, the interior convolutions crossing alternately over and under each other at three points whereby the first interior convolution forms a portion surrounding a portion of the second interior convolution between two crossing points and the second interior convolution forms a portion surrounding a portion of the first interior convolution between two crossing points, the interior convolutions having cord inlet and cord outlet end portions respectively, the outer convolution surrounding said inner convolutions, and one of said end portions surrounded by the outer convolution as well as the two portions of the first and second interior convolutions respectively surrounded by the respective second and first convolution portions being transversely notched to permit the cord to be laterally pulled inwardly from the surrounding convolutions through the surrounded convolutions.
2. A device for forming and tying a knot around an object with one continuous length of cord, comprising a tortuous and convolute tube for receiving the cord and having the configuration of the desired knot, the tube being longitudinally slotted to permit the cord to be laterallypulled inwardly from the tube around the object placed centrally in respect of the tube convolutions, thetube comprising two convolutions crossing alternately over and under each other at five points whereby there are formed between two each adjacent crossing points four interior convolution portions surrounded by four exterior convolution portions, each interior convolution portion being transversely notched to permit the cord to be laterally pulled inwardly from the surrounding exterior portion through the surrounded interior portion.
References Cited in the file of this patent UNITED STATES PATENTS 876,573 Myers Jan. 14, 1908 2,705,656 Shockey Apr. 5, 1955 FOREIGN PATENTS 158,814 Switzerland Feb. 16, 1933
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2860902X | 1955-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2860902A true US2860902A (en) | 1958-11-18 |
Family
ID=7999883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US583433A Expired - Lifetime US2860902A (en) | 1955-05-12 | 1956-05-08 | Means for mechanically tying knots |
Country Status (1)
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US (1) | US2860902A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336063A (en) * | 1964-10-07 | 1967-08-15 | American Enka Corp | Knot tying device |
US3563583A (en) * | 1969-04-17 | 1971-02-16 | Univ California | Machine for tieing knots |
US3591217A (en) * | 1969-08-21 | 1971-07-06 | Messrs R Melzer Ohg | Knotting device |
US9622741B2 (en) | 2007-07-26 | 2017-04-18 | Alpha Scientific Corporation | Surgical suturing device and tools used therewith |
US9636110B2 (en) | 2013-03-13 | 2017-05-02 | Alpha Scientific Corporation | Structural support incorporating multiple strands |
US20190055670A1 (en) * | 2016-11-28 | 2019-02-21 | Jiyang College Of Zhejiang A&F University | Continuous processing device for forming bamboo fiber and method thereof |
US10299786B2 (en) | 2013-03-15 | 2019-05-28 | Alpha Scientific Corporation | Surgical suturing device with transverse engagement |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US876573A (en) * | 1907-02-13 | 1908-01-14 | F W Griffin | Knot-tying apparatus for bags &c. |
CH158814A (en) * | 1931-06-05 | 1932-12-15 | Pletscher Fritz | Device for making knots, in particular for tying filled intestines. |
US2705656A (en) * | 1953-05-18 | 1955-04-05 | Shockey Houstin | Knot-tying device |
-
1956
- 1956-05-08 US US583433A patent/US2860902A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US876573A (en) * | 1907-02-13 | 1908-01-14 | F W Griffin | Knot-tying apparatus for bags &c. |
CH158814A (en) * | 1931-06-05 | 1932-12-15 | Pletscher Fritz | Device for making knots, in particular for tying filled intestines. |
US2705656A (en) * | 1953-05-18 | 1955-04-05 | Shockey Houstin | Knot-tying device |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3336063A (en) * | 1964-10-07 | 1967-08-15 | American Enka Corp | Knot tying device |
US3563583A (en) * | 1969-04-17 | 1971-02-16 | Univ California | Machine for tieing knots |
US3591217A (en) * | 1969-08-21 | 1971-07-06 | Messrs R Melzer Ohg | Knotting device |
US9622741B2 (en) | 2007-07-26 | 2017-04-18 | Alpha Scientific Corporation | Surgical suturing device and tools used therewith |
US9636110B2 (en) | 2013-03-13 | 2017-05-02 | Alpha Scientific Corporation | Structural support incorporating multiple strands |
US10251737B2 (en) | 2013-03-13 | 2019-04-09 | Alpha Scientific Corporation | Structural support incorporating multiple strands |
US10299786B2 (en) | 2013-03-15 | 2019-05-28 | Alpha Scientific Corporation | Surgical suturing device with transverse engagement |
US20190055670A1 (en) * | 2016-11-28 | 2019-02-21 | Jiyang College Of Zhejiang A&F University | Continuous processing device for forming bamboo fiber and method thereof |
US10640887B2 (en) * | 2016-11-28 | 2020-05-05 | Jiyang College Of Zhejiang A&F University | Continuous processing device for forming bamboo fiber and method thereof |
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