WO2024251808A1 - Outil de tricotage - Google Patents
Outil de tricotage Download PDFInfo
- Publication number
- WO2024251808A1 WO2024251808A1 PCT/EP2024/065454 EP2024065454W WO2024251808A1 WO 2024251808 A1 WO2024251808 A1 WO 2024251808A1 EP 2024065454 W EP2024065454 W EP 2024065454W WO 2024251808 A1 WO2024251808 A1 WO 2024251808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- knitting tool
- knitting
- needle
- recess
- support
- 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.)
- Ceased
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/04—Latch needles
Definitions
- the present invention relates to a knitting tool, preferably a knitting needle or a sinker.
- US3464237A describes a circular knitting needle with reduced mass and reduced contact area with a channel base. These measures are intended to reduce the heating of the knitting machine and to increase the speed of the knitting machine.
- EP2927360A1 for example, also discloses comparable measures for use in circular knitting machines.
- the CN215517872U or the CN202124730U show a flat knitting needle according to the state of the art with lateral recesses in order to be able to transfer the needle more reliably on the one hand and to provide a braking bend with an adapted bending moment on the other hand.
- the present invention has for its object to propose an extremely energy-saving knitting needle which is preferably suitable for flat knitting and which is easy to manufacture.
- the knitting tool according to claim 1 has side walls which delimit the knitting tool in the lateral direction. These side walls are provided with support surfaces which are intended to be in contact with the needle channels or needle guides during knitting operation in which the knitting tool is guided in any knitting tool channels or knitting tool guides and thus to guide the needle through sliding.
- the channels or guides do not necessarily have to surround the entire longitudinal extension of the knitting tool.
- these support surfaces are raised relative to recessed partial areas, so that only the support surfaces and thus only a portion of the side surfaces of the knitting tool slide.
- the knitting tool can have at least one recess, preferably at least two or at least three of them. This circumstance can also be described using an imaginary plane of symmetry that is spanned by a longitudinal symmetry or main axis of inertia of the knitting tool and the height direction of the knitting tool. In the width direction of the needle, these recessed partial areas are a smaller distance from this plane of symmetry than the support surfaces or the raised areas.
- recesses which pass through the knitting tool in its width direction can be directly connected to the recessed partial areas, optionally or advantageously without a step.
- These recesses can be surrounded by a boundary line which delimits the recess from the knitting tool body, i.e. the area in which the knitting tool is made of material.
- the boundary line can, according to the invention, run both in the height direction and in the longitudinal direction of the knitting tool.
- needles can be produced which can be inserted with little energy expenditure and which are relatively easy to produce. Tools which produce the recessed partial areas or chemicals which produce these areas by etching or chemical removal processes can thus be used particularly efficiently.
- the invention has particular advantages in the production of flat knitting needles.
- recesses that penetrate the body of the knitting tool in the width direction and open it in one of the two height directions - i.e. upwards or downwards.
- Particularly advantageous here are recesses that reduce the remaining height of the remaining shaft body in the region of the longitudinal extension of the recess.
- the needle body thus reduces its height at the location of the recess, whereas in needles, for example according to EP4015690A1, a meandering of the needle shaft, a jagged course or a sinusoidal course are shown.
- the height of the shaft does not generally change in the aforementioned publication.
- the at least one recessed partial area completely adjoins the boundary line between the body of the knitting tool and the recess or encloses it. Further advantages arise if, for example, support surfaces are located above or below such a recessed partial area.
- the knitting tool comprises a stitch support which limits the stitch-forming section of the knitting tool in the longitudinal direction of the same (“to the rear”) and projects upwards above the stitch-forming section in the vertical direction.
- the support section of the knitting tool then follows the stitch support. Needles with such stitch supports have particular advantages due to the possible significant reduction in friction surfaces.
- the support section can be followed by a coupling section in which a coupling element can be formed.
- a coupling element can be a needle foot, a coupling projection or a recess into which another textile tool engages.
- the coupling section cannot be designed and/or suitable for supporting the needle.
- the use of the present invention is advantageous in needles when a transfer spring is attached to the side of the needle. Energy savings, among other things, are achieved by inserting the transfer spring in a groove.
- the groove advantageously cuts into the side wall.
- the groove base is advantageously at a smaller distance from the plane of symmetry than the at least one recessed partial area. Further advantages arise when the recessed partial area and the groove are directly adjacent to one another. If the boundary line between the groove and the recessed partial area runs both in the longitudinal and vertical directions, this brings additional advantages.
- the groove is enclosed by at least one recessed portion.
- support surfaces are located in the immediate vicinity of the transfer spring or the recessed partial areas adjacent to it or overlapping it. It is advantageous here if the longitudinal extension of the support surfaces and the transfer spring overlap in the longitudinal direction of the knitting tool.
- the support areas can advantageously be positioned above and/or below the transfer spring. At least one overlap area can advantageously make up at least 50% of the extension of the transfer spring in the longitudinal direction of the knitting tool.
- Support surfaces located in the upper and/or lower area of the support section of the respective needles or knitting tool are advantageous for supporting or guiding needles with as little vibration as possible, particularly flat knitting needles and particularly needles that are equipped with transfer springs. It is advantageous here if the respective support surfaces extend into the areas of the support section that form the upper or lower 20% of the vertical extension of the respective support section. It is also advantageous if the respective support surfaces lie entirely in these areas. Support sections of this type that have a longitudinal extension that is at least 50% of the longitudinal extension of the support section are advantageous.
- the longitudinal extension of the knitting tool can be between 50mm and 135mm, between 50mm and 110mm and preferably also between 50mm and 134mm and between 85mm and 109mm.
- the vertical extension of the support section can be between 2mm and 7.2mm - particularly preferably 5mm - and preferably between 4.5mm and 7mm.
- FIG. 1 shows a first needle according to the invention in side view
- FIG. 2 shows a side view of another needle according to the invention
- FIG. 3 shows a side view of another needle according to the invention
- FIG. 4 shows a top view of a needle according to the invention
- FIG. 5 shows a side view of the front area of a second needle according to the invention
- FIG. 6 shows a needle cross-section that can result along the section A-A of a needle according to the invention
- FIG. 7 shows a needle cross-section that can result along the section A-A of a needle according to the invention
- FIG. 8 shows a needle cross-section that can result along the section A-A of a needle according to the invention
- FIG. 9 shows a needle cross-section that can result along the section A-A of a needle according to the invention
- FIG. 10 shows a side view of another needle according to the invention
- FIG. 11 shows a high shaft needle with recesses
- FIG. 12 shows another high shaft needle with other recesses
- FIG. 13 shows another high shaft needle
- Figure 15 shows another high shaft needle
- FIG. 16 shows a high-shank needle of the prior art
- FIG. 17 shows another high shaft needle of the state of the art
- FIG. 18 shows a lower shaft needle of the state of the art
- FIG. 19 shows another high shaft needle
- FIG. 20 Figure 20 shows another high shaft needle
- Figure 1 shows a first needle 1 according to the invention, which of course also represents a knitting tool 1 in the sense of the present document and which comprises a stitch-forming section 2 and a support section 3.
- the side wall 4 is naturally not visible, but the opposite side wall 5.
- the transfer spring 10 is attached to the side of the side wall 5, which is therefore shown in dashed lines.
- the side wall 4 has a support surface 6, which is largely congruent with the corresponding support surfaces 6 of the side wall 5.
- the support surfaces 6 completely surround the recessed portion 8.
- the needle/knitting tool 1 comprises a stitch support 9, which delimits the support section 3 and the stitch-forming section 2 from one another.
- the stitch support 9 projects beyond the stitch-forming section 2 in the height direction y of the needle 1.
- the longitudinal extension 16 of the needle in its longitudinal direction z is the longest dimension that the knitting tool 1 has.
- the knitting tool 1 is equipped with a transfer spring 10.
- the transfer spring 10 is fitted in a groove 11 in the side wall 5 of the needle 1.
- the base of this groove 11 is at a smaller distance in the width direction x of the needle 1 from the plane of symmetry 18 than the recessed partial area 8.
- the arrow 12 indicates that there is an overlap area 12 between the longitudinal extension 20 of the transfer spring 10 and the longitudinal extension 19 of the support surface 6.
- this longitudinal extension 19 can be designed to be the same length as the longitudinal extension 22 of the support section 3.
- Figure 2 shows a side view of another needle 1 according to the invention.
- This second embodiment differs from the needle 1 according to Figure 1 only by an additional recess 7. Otherwise, reference is made to the description of Figure 1.
- the recess 7 completely passes through the needle 1 and in particular the recessed partial areas in the width direction x. Accordingly, the boundary line 15 forms a closed curve. Recesses 7 of this type, in which the boundary lines 15 are closed, are particularly advantageous for all embodiments of the present invention.
- Figure 3 shows a third needle 1 according to the invention, which of course also represents a knitting tool 1 in the sense of the present document and which comprises a stitch-forming section 2 and a support section 3.
- the side wall 4 can be seen, but naturally not the opposite side wall 5.
- the hanging spring 10 is attached to the side of the side wall 5, which is therefore shown in dashed lines.
- the side wall 4 has a support surface 6 which is congruent with the corresponding support surfaces of the side wall 5.
- a recess 7 which passes through the needle body in the width direction x of the needle 1.
- This recess is open to the rear, it has a boundary line 15 between the recess 7 and the recessed partial area 8 which at least partially encloses the recess 7 from above and below.
- the recess 7 is open to the rear in the longitudinal direction z of the knitting tool 1.
- the support surface 6 can be seen above the recessed partial area 8.
- the knitting tool 1 is equipped with a transfer spring 10.
- a transfer spring 10 is mounted in a groove 11 in the side wall 5 of the needle 1.
- the base of this groove 11 is a smaller distance in the width direction x of the needle 1 from the plane of symmetry 18 than the recessed partial area 8.
- the arrow 12 indicates that there is an overlap area 12 between the longitudinal extension 20 of the transfer spring 10 and the longitudinal extension 19 of the support surface 6. This circumstance is advantageous for all embodiments of the invention.
- the needle has a base surface 13 which extends in the longitudinal z and width direction x of the needle 1 and on which the needle slides in a needle channel or a needle guide, if necessary during knitting operation.
- the arrow 14 indicates the areas of the needles on which stitches slide and which are located in the stitch formation section 2.
- the height of the needle butt 17 is not included in the height of the support section 3.
- Figures 6, 7, 8 and 9 show different cross-sectional areas of needles according to the invention, which could be present in the area of the section line A-A on needles that are similar to the needles in Figures 1, 2 or 3.
- the raised support areas 6 can be seen. They are further away from the plane of symmetry 18 than the recessed partial areas 8, which are generally not in direct or permanent contact with needle channels during knitting. Both areas form the side walls 5 and 4 of the knitting tool or the needles 1.
- Figure 6 shows a cross-section reminiscent of a double T-beam (flat recessed partial area 8), while Figure 7 shows a cross-section in which the recessed partial areas 8 in particular are concave. Both features (concave or flat) are advantageous for all embodiments of the invention.
- Figure 8 shows a recess 7, which can also be at the point of intersection line A-A and which in the present case is closed towards the end of the needle. As a reminder: the recess 7 in Figure 3 is open towards the end of the needle.
- Figure 9 shows a section through the needle 1 according to Figure 3 at point B-B, i.e. in the overlap area between the groove 11 and the recessed area 8. At this point, the transfer spring 10 is no longer present.
- Figure 9 also makes it clear that the recessed areas 8 and support surfaces 6 do not have to be distributed symmetrically or in mirror image on both sides of the needle. Rather, both one-sided measures and measures on both side walls 4, 5 of the knitting tool are advantageous for all embodiments of the invention. All of the arrangements of recesses 7, support surfaces 6 and recessed partial areas 8 shown can therefore advantageously be carried out in any combination on both sides or only on one side.
- Figure 5 shows a further side view of an enlarged section of the front area of a needle 1, in which the transfer spring 10 can be seen directly. It has a longitudinal extension 20 which overlaps with the only partially shown longitudinal extension 22 of the support area 6 in the overlap area 12.
- Figures 11-15 show the advantageous arrangement of recesses 7, recessed partial areas 8 and support surfaces 6, for example on high-shank needles 1.
- the high-shank needle 1 shown in Figure 11 has two recesses 7, of which the recess 7 shown further to the right has a closed boundary line 15 to the needle body.
- the needle 1 has a support surface 6 in the upper area of the needle. This support surface has a length that makes up a large part of the length 22 of the support section 3. At least 60% of the length of the support section, at least 70%, at least 80% or at least 90% of the length of the support section are advantageous for all embodiments of the invention.
- the needle is equipped with a male coupling element 26.
- a female coupling element is not a recess in the sense of the present document.
- the transfer spring 10 is located on the side 4 of the needle 1, which the observer is looking at.
- the groove 11 can be seen and it is directly adjacent to the recess 7 and merges into this 7.
- the needle in Figure 12 is very similar to the needle in Figure 11. However, the recess 7 further to the right opens the needle body downwards.
- the reference number 20 designates the coupling section 25, which has no support surfaces 6.
- the recessed portion 8 comprises a large part of the side surface of the support section 3.
- the needle shown in Figure 13 does not have a second recess 7. However, it has a recessed area 8 which covers the entire vertical extension 21 of the support section 3 in its place.
- the longitudinal extension (or length) 22 and the vertical extension 21 of the support section 3 are shown. It is advantageous for all embodiments of the invention to make recesses 7 in the area of the support section 3 or to arrange recesses 7 in such a way that they extend at least into the area of the support section 3.
- Figure 14 shows a needle that has a recessed portion that partially surrounds the recess 7.
- a support surface 6 is located in the front area, so that its length 6 has a large overlap 12 with the length of the transfer spring.
- Figure 15 shows a needle that has a second recess 7. This recess 7 again has a closed boundary line 15 with the needle body and is therefore not open at the bottom or top. This recess 7 is completely surrounded by the recessed portion 8 of this needle.
- the support surface 6 of this needle 1 is located above the transfer spring 10.
- Figures 16, 17 and 18 show examples of needle types that are particularly suitable for the application of the present invention.
- the needle 1 shown in Figure 16 is a high-shank needle with a male coupling point 26 and a loss prevention device.
- the needle according to Figure 17 lacks the loss prevention device.
- the needle according to Figure 18 is a low-shank needle with a male coupling point 26.
- the side walls 4, 5 of the needle 1 shown can thus again be optionally provided with recesses 7 and/or recessed partial areas 8 and/or support surfaces 6, as is the case with the other needles 1 shown.
- Figures 16 to 18 also show the position of the coupling element 26 and the foot 17 also present in Figure 16.
- the coupling section 25 is the section of the needle that includes the coupling element 26.
- Figure 19 shows a needle 1 whose contours initially look like the contours of the needle 1 shown in Figure 13. However, the positions of the support surfaces 6 and the recessed partial areas 8 are swapped. Due to this fact, the needle 1 shown in Figure 19 has only one support surface 6 in the area of its support section 3. This support surface 6 is smaller than the support surfaces 6 of the needle 1 shown in Figure 13. Therefore, the needle 1 shown in Figure 19 can have a lower friction in the needle channel.
- Figure 20 shows a needle 1 whose contours initially look like the contours of the needle 1 shown in Figure 15. However, in this needle too, the positions of the recessed portions 8 and the support surfaces 6 are swapped with one another.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
La présente invention concerne un outil de tricotage (1), de préférence une aiguille ou un plomb, qui - présente une partie de formation de maille (2) à l'extrémité avant de son extension longitudinale, - présente une partie de support (3) dans la suite de son extension longitudinale, - des parois latérales (4, 5) délimitant l'outil de tricotage (1) dans la direction latérale (x), - les parois latérales (4, 5) comprenant des surfaces de support (6) qui sont destinées à être en contact avec les canaux d'aiguille ou les guides d'aiguille de la machine à tricoter, et à coulisser le long de ceux-ci (et à être supportées sur ceux-ci) pendant l'opération de tricotage, - la surface des parois latérales (4, 5) de l'outil de tricotage (1) comprenant au moins une partie évidée (8), - dont la surface est moins espacée d'un plan de symétrie imaginaire de l'outil de tricotage (1), enjambé par son axe de symétrie longitudinal et sa direction de hauteur, qu'au moins une surface de support (6) de la même paroi latérale (4, 5) de l'outil de tricotage (1). L'invention concerne également une machine à tricoter contenant des aiguilles de ce type.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23177788.9 | 2023-06-06 | ||
| EP23177788 | 2023-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024251808A1 true WO2024251808A1 (fr) | 2024-12-12 |
Family
ID=86731971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2024/065454 Ceased WO2024251808A1 (fr) | 2023-06-06 | 2024-06-05 | Outil de tricotage |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2024251808A1 (fr) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US664808A (en) * | 1899-12-13 | 1900-12-25 | Dodge Needle Company | Knitting-machine needle. |
| US3464237A (en) | 1967-08-10 | 1969-09-02 | Alfred O Kohorn | Knitting machine needle |
| DE3014751A1 (de) * | 1980-04-17 | 1981-10-22 | Theodor Groz & Söhne & Ernst Beckert Nadelfabrik KG, 7470 Albstadt | Gestanztes strickwerkzeug fuer strick- oder wirkmaschinen |
| US4625527A (en) * | 1985-04-12 | 1986-12-02 | Fukuhara Needle Company, Ltd. | Knitting plate needle and its manufacturing method |
| DE19905668C2 (de) * | 1999-02-11 | 2001-01-25 | Groz Beckert Kg | Umhängenadel zur Maschenübertragung |
| US20050016222A1 (en) * | 2003-07-22 | 2005-01-27 | Groz-Beckert Kg | Knitting machine needle |
| EP1757721A1 (fr) | 2005-08-26 | 2007-02-28 | H. Stoll GmbH & Co. KG | Aiguille de transfert et méthode pour le transfert de maille |
| EP1887117A1 (fr) | 2006-08-11 | 2008-02-13 | Groz-Beckert KG | Aiguille à clapet pour machine textile à former des mailles |
| DE102010020041A1 (de) * | 2010-05-11 | 2011-11-17 | H. Stoll Gmbh & Co. Kg | Stricknadel für Strickmaschinen |
| CN202124730U (zh) | 2011-06-22 | 2012-01-25 | 唐永生 | 一种粗针距横机织针 |
| EP2927360A1 (fr) | 2014-04-03 | 2015-10-07 | Groz-Beckert KG | Outil à tricot pour machines à tricoter |
| CN215517872U (zh) | 2021-08-11 | 2022-01-14 | 江苏国茂纺织科技有限公司 | 电脑横机舌针 |
| DE102020128660A1 (de) * | 2020-10-30 | 2022-05-05 | Groz-Beckert Kommanditgesellschaft | Stricksystem und Nadel für Strickmaschinen |
| EP4015690A1 (fr) | 2020-12-16 | 2022-06-22 | Groz-Beckert KG | Outil à tricoter |
-
2024
- 2024-06-05 WO PCT/EP2024/065454 patent/WO2024251808A1/fr not_active Ceased
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US664808A (en) * | 1899-12-13 | 1900-12-25 | Dodge Needle Company | Knitting-machine needle. |
| US3464237A (en) | 1967-08-10 | 1969-09-02 | Alfred O Kohorn | Knitting machine needle |
| DE3014751A1 (de) * | 1980-04-17 | 1981-10-22 | Theodor Groz & Söhne & Ernst Beckert Nadelfabrik KG, 7470 Albstadt | Gestanztes strickwerkzeug fuer strick- oder wirkmaschinen |
| US4625527A (en) * | 1985-04-12 | 1986-12-02 | Fukuhara Needle Company, Ltd. | Knitting plate needle and its manufacturing method |
| DE19905668C2 (de) * | 1999-02-11 | 2001-01-25 | Groz Beckert Kg | Umhängenadel zur Maschenübertragung |
| US20050016222A1 (en) * | 2003-07-22 | 2005-01-27 | Groz-Beckert Kg | Knitting machine needle |
| EP1757721A1 (fr) | 2005-08-26 | 2007-02-28 | H. Stoll GmbH & Co. KG | Aiguille de transfert et méthode pour le transfert de maille |
| EP1887117A1 (fr) | 2006-08-11 | 2008-02-13 | Groz-Beckert KG | Aiguille à clapet pour machine textile à former des mailles |
| DE102010020041A1 (de) * | 2010-05-11 | 2011-11-17 | H. Stoll Gmbh & Co. Kg | Stricknadel für Strickmaschinen |
| CN202124730U (zh) | 2011-06-22 | 2012-01-25 | 唐永生 | 一种粗针距横机织针 |
| EP2927360A1 (fr) | 2014-04-03 | 2015-10-07 | Groz-Beckert KG | Outil à tricot pour machines à tricoter |
| DE102020128660A1 (de) * | 2020-10-30 | 2022-05-05 | Groz-Beckert Kommanditgesellschaft | Stricksystem und Nadel für Strickmaschinen |
| EP4015690A1 (fr) | 2020-12-16 | 2022-06-22 | Groz-Beckert KG | Outil à tricoter |
| CN215517872U (zh) | 2021-08-11 | 2022-01-14 | 江苏国茂纺织科技有限公司 | 电脑横机舌针 |
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