EP1121480A1 - Verfahren zur herstellung von gestricken mit integrierten befestigungselementen - Google Patents
Verfahren zur herstellung von gestricken mit integrierten befestigungselementenInfo
- Publication number
- EP1121480A1 EP1121480A1 EP99970435A EP99970435A EP1121480A1 EP 1121480 A1 EP1121480 A1 EP 1121480A1 EP 99970435 A EP99970435 A EP 99970435A EP 99970435 A EP99970435 A EP 99970435A EP 1121480 A1 EP1121480 A1 EP 1121480A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tab
- knitted
- knitted fabric
- thermal treatment
- fastening element
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/01—Surface features
- D10B2403/011—Dissimilar front and back faces
- D10B2403/0113—One surface including hollow piping or integrated straps, e.g. for inserts or mountings
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/06—Details of garments
- D10B2501/063—Fasteners
Definitions
- the invention relates to a method for producing knitted fabrics, in particular seat covers, with integrated fastening elements.
- Fasteners e.g. in the form of tubes or eyelets etc., sewn onto a prefabricated seat cover in a separate sewing process. Since the seat covers always had to be assembled, i.e. the individual seat cover parts had to be sewn together, the sewing on of the fastening elements on the underside of the seat cover as an additional step was not very important.
- EP 361 855 AI shows a method in which tubular fastening elements are integrally knitted during manufacture, ie when knitting the seat cover. This now has the advantage that the additional method step of sewing on the fastening elements at the desired points is omitted. On the other hand, this method on the one hand increases the machine running times very much and, in addition, the tubular fastening elements, which are in the form of a tubular knitted fabric, cannot be produced for as long and tight as desired. On Another disadvantage is that the attachment points of the fastening elements are usually also visible on the visible side of the seat cover.
- tabs, loops or flags are introduced into the knitted fabric at the desired fastening points during its manufacture. They can either be knitted together with the knitted fabric or can be knitted on as a prefabricated part in the manufacture of the knitted fabric.
- the tabs, loops or flags are at least partially made of a thermoplastic or physically or chemically reactive material, in particular thread, which can be deformed in a thermal, physical or chemical treatment in order to form a fastening element therefrom.
- the treatment can involve a change in volume, for example thickening, and / or an increase in the hardness of the treated section.
- the tab or flag can also be formed by a separate, prefabricated, likewise thermoplastic or physically or chemically reactive material, which is connected to the knitted fabric in the course of production.
- This element can preferably be taken from a roll with a special entry system, for example an adjustable feed system via the thread guide rail of the flat Knitting machine and the needle gap are fed to the knitting area, where it is then knitted with the knitted fabric at the fastening points.
- the tab could e.g. rolled up and heated in the thermal process to produce a fastening welt that could be retracted into a rail of a vehicle seat support.
- one or more eyelets can also be molded into the flap, which - if this is desired due to higher fastening forces - can then be reinforced with metal rings if necessary.
- Rods or cords can subsequently be inserted into eyelets formed in this way or loops formed after the treatment, which then form the fastening elements for fastening the knitted fabric to the carrier.
- the thermoplastic material of the thread with which the flap is knitted is such that, after the thermal treatment, a harder piece of plastic is formed, which is preferably inelastic and able to absorb greater forces.
- a reinforcement of the tab / loop / flag is also possible in particular through the materials known from the field of fiber composite materials. Because materials and bindings with different properties can be used for the tabs than for the rest of the knitted fabric, e.g. the first rows of the tab are knitted from a thick thread and thus form a bead that is already thickened before the thermal / physical / chemical treatment.
- tubes can even be produced as fastening elements by the tab being times bent and then welded to another tab area on the free edge.
- the entire tab material can also be solidified in such a way that the entire tube body is much stiffer than the originally meshed thread material. In this way it is in fact possible to create rigid and very stable fastening elements which have virtually no elasticity, as is known from the known tubular knitted fabrics of the aforementioned European publication.
- a tab on a knitted fabric e.g. a seat cover
- This can be achieved by activating or deactivating certain areas of the needle bed or by knitting the tab on a second needle bed and transferring it to the desired location on the main needle bed, so that this tab then becomes an integral part of the knitted fabric.
- the flap does not have to be knitted from the same thread as the rest of the knitted piece. Since this tab has to absorb relatively high forces as a fastening element after the thermal treatment, the tab can be knitted from a thicker thread, for example. By suitable selection of the thread material, one can also take into account the desired deformation during the thermal aftertreatment.
- a thread material adapted for the purpose can thus be used independently of the thread material of the rest of the knitted piece. It is also possible to knit the part of the flap or flag which is not to be treated physically or chemically from a thread of higher elasticity and / or with a more elastic binding, whereby an elastically prestressed fixing of the fastening element to a carrier or a further fastening element is possible.
- the tab is knitted simultaneously with the rest of the knitted piece and is only thermally treated after it has been connected to the knitted fabric.
- the tabs can be knitted separately from the rest of the knitted piece the and are previously treated thermally to form a fastener.
- the integration of the prefabricated fastening element then only takes place by transferring the stitches from the separate needle bed, on which the stitches of the tab hang, to the needle bed, on which at least one layer of the knitted piece is knitted.
- the method according to the invention makes it possible to produce the entire knitted fabric, including fastening elements, on a flat bed machine or circular knitting machine.
- the thermal treatment for producing the fastening elements can take place before the tab is connected to the knitted piece or afterwards.
- the method according to the invention can be used not only on flat knitting machines, but also on circular knitting machines. Through the use of scrapers and / or hold-down boards or sinkers and the use of several needle beds, the alternating and simultaneous knitting of the tabs as well as the knitted piece is not a problem.
- the thermal treatment of the mesh makes it possible to produce all kinds of fastening elements, e.g. hooks bent on one side, hooks bent on both sides, loops, piping, strands and any other shapes.
- Any materials made of metal, plastic, natural or inorganic fiber materials can be used to support the fastening area, which materials are then positively connected to the fiber material of the flap during the thermal treatment.
- the material is preferably connected to a fastening element or profile during the thermal, physical or chemical treatment.
- This fastening element can fix the preformed fastening areas or profiles. of the knitted fabric on the wearer. Then only the tab must be connected to this fastening profile during the treatment. This can be realized particularly easily if the fastening element or profile consists of the same material as the thermoplastic or physically or chemically reactive material of the tab or flag to be treated.
- the invention can be used not only for the attachment of seat covers to seat cover carriers but also for the attachment of cladding (design) textile pieces, insulating parts, filter textiles, medtex etc.
- Figure 1 is a perspective view of a section of a knitted piece with an integrated knitted tab, the free edge of which surrounds a piece of wire.
- Fig. 2a four different ways of thermal treatment to 2d treatment of the free edge of the tab to create a fastener
- Fig. 3 is a plan view of a tab with an incorporated eyelet.
- FIG. 1 shows a three-dimensional view of a detail from a knitted piece 10, on which a tab 12 is knitted on the edge 11.
- a knitted fabric can be, for example, the knitted fabric for a motor vehicle seat cover, which must be fixed on its side facing away from the seat surface with fastening elements on a motor vehicle seat frame.
- the free edge 14 of the tab 12 is rolled over and welded to the tab after inserting a piece of wire 16 into the resulting cavity, so that the piece of wire is held firmly in the tab. Due to the thermal treatment, the hardness of the material is partly due to the dissolution of the mesh Structure increased during welding, so that a very stable fastener is obtained.
- Fig. 2 shows different ways of forming fasteners.
- An end view of the tab 12 is shown in all figures.
- Fig. 2a the free edge 14 of the flap is turned over to one side and then thermally heated so that a one-sided bead is formed.
- Fig. 2b shows a two-ply tab 12a, 12b, the free edges 18a, 18b of which have been turned over and heated, so that a bead-like widening (piping) is now achieved on both sides of the tab.
- a fastener can very well be hung in a channel as a complementary fastener.
- FIG. 2c shows a possibility in which the free end 20 of the tab is folded over onto a central tab section to form a loop 22, the free end being connected to the adjacent tab section by a thermal welding process.
- a cylinder is achieved as a fastening element, which e.g. can be penetrated by a handrail.
- the cylinder section 22 can also be hardened by a thermal treatment.
- Fig. 2d shows a tab 12, in which the free end 24 has been bent to one side and then thermally hardened, so that a hook-like fastening element has now been achieved which can engage in a counter hook or a channel etc.
- FIG. 3 shows a tab 10, in which an area 26 has been perforated and thermally expanded, so that a hard plastic bead 28 is now formed around the perforation 26.
- a fastener Eyelet that can be penetrated by a tension hook.
- a metal ring reinforcement can also be attached here to stiffen the eyelet.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Insertion Pins And Rivets (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19847333 | 1998-10-09 | ||
DE19847333A DE19847333C2 (de) | 1998-10-09 | 1998-10-09 | Verfahren zur Herstellung von Gestricken mit integrierten Befestigungselementen |
PCT/DE1999/003050 WO2000022212A1 (de) | 1998-10-09 | 1999-09-17 | Verfahren zur herstellung von gestricken mit integrierten befestigungselementen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1121480A1 true EP1121480A1 (de) | 2001-08-08 |
EP1121480B1 EP1121480B1 (de) | 2010-08-11 |
Family
ID=7884427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99970435A Expired - Lifetime EP1121480B1 (de) | 1998-10-09 | 1999-09-17 | Verfahren zur herstellung von gestricken mit integrierten befestigungselementen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6401496B1 (de) |
EP (1) | EP1121480B1 (de) |
DE (2) | DE19847333C2 (de) |
ES (1) | ES2349681T3 (de) |
WO (1) | WO2000022212A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1378596B1 (de) * | 2002-07-03 | 2010-06-09 | H. Stoll GmbH & Co. | Verfahren zur Herstellung eines Gestricks mit einem tubusförmigen Strickbereich |
DE102004051663B4 (de) | 2004-09-24 | 2008-09-11 | F.S. Fehrer Automotive Foam Gmbh | Schaumkörper zur Herstellung eines Fahrzeugsitzes mit Airbagmodul |
DE202006020691U1 (de) * | 2006-03-01 | 2009-07-09 | Kobleder Strickmode Gmbh & Co. | Bespannung eines Möbelstücks |
DE102006011610A1 (de) * | 2006-03-14 | 2007-09-20 | Gottlieb Binder Gmbh & Co. Kg | Sitzbefestigungssystem sowie schlauchförmiges Befestigungsband |
JP2009126727A (ja) | 2007-11-20 | 2009-06-11 | Sumitomo Electric Ind Ltd | GaN基板の製造方法、GaN基板及び半導体デバイス |
JP5913417B2 (ja) * | 2014-04-02 | 2016-04-27 | 株式会社島精機製作所 | 嵩高編地およびその編成方法 |
US10808336B2 (en) * | 2018-05-31 | 2020-10-20 | GM Global Technology Operations LLC | Vehicle seat trim covers with knitted attachment structures formed with heat-activated yarns |
US10843600B2 (en) | 2018-07-12 | 2020-11-24 | GM Global Technology Operations LLC | Vehicle seat trim covers including integrally-knit backing materials and methods of manufacturing vehicle seat trim covers |
DE102018212743A1 (de) * | 2018-07-31 | 2020-02-06 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung und Verfahren zum Thermofixieren eines Gestricks |
EP3753783B1 (de) * | 2019-06-18 | 2023-08-09 | Ford Global Technologies, LLC | Sitzverkleidung, sowie verfahren zur herstellung einer sitzverkleidung |
EP4005437A1 (de) * | 2020-11-30 | 2022-06-01 | DV8 ID S.r.l. | Gewirktes artefakt mit in englischer weise verhakten wärmeschrumpfenden garnen |
GB2603921B8 (en) * | 2021-02-18 | 2023-08-16 | Jaguar Land Rover Ltd | 3D knitted structure and a method of providing a 3D knitted struture |
DE102021108194A1 (de) | 2021-03-31 | 2022-10-06 | Bayerische Motoren Werke Aktiengesellschaft | Staufach |
DE102022108220A1 (de) | 2022-04-06 | 2023-10-12 | Bayerische Motoren Werke Aktiengesellschaft | Verkleidungsteil mit einem Bezug aus Textil |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6900813U (de) * | 1969-01-09 | 1969-06-04 | Karl Broecker | Schrankmoebel mit an oberboden angeordneter klappe. |
GB1465361A (en) | 1973-08-28 | 1977-02-23 | Witte J De | Textile products |
GB8822638D0 (en) * | 1988-09-27 | 1988-11-02 | Gen Motors Corp | Knitting method |
JPH0377504A (ja) | 1989-08-22 | 1991-04-03 | Okamura Corp | 椅子の座席 |
FR2655595B1 (fr) * | 1989-12-11 | 1992-03-13 | Peugeot | Dispositif de rappel de la coiffe d'un siege automobile. |
WO1993008985A1 (en) | 1991-10-31 | 1993-05-13 | Amber Technologies | A tubular knit cleanroom wiper |
DE4233827C2 (de) | 1992-10-08 | 1994-07-14 | Straehle & Hess | Verfahren und Vorrichtung zum Herstellen eines formstabilen schlauchförmigen Kunststoff-Hohlprofils sowie ein solches Kunststoff-Hohlprofil und seine Verwendung |
GB9506807D0 (en) * | 1995-04-01 | 1995-05-24 | Gen Motors Corp | Kntted covers |
US5887452A (en) * | 1996-08-29 | 1999-03-30 | Lear Corporation | Knitted cover |
DE19636208A1 (de) | 1996-09-05 | 1998-03-12 | Keiper Recaro Gmbh Co | Elastisches Mehrlagengestrick |
DE19649427C1 (de) * | 1996-11-28 | 1998-04-02 | Schieber Universal Maschf | Sitzüberzug |
US5890381A (en) * | 1997-10-28 | 1999-04-06 | Lear Corporation | Knitted upholstery fabric with tubular fastening portions |
US5992185A (en) * | 1997-11-12 | 1999-11-30 | Lear Corporation | Upholstery fabric |
US6151926A (en) * | 1998-06-30 | 2000-11-28 | Lear Corporation | Vehicle seat cover |
-
1998
- 1998-10-09 DE DE19847333A patent/DE19847333C2/de not_active Expired - Lifetime
-
1999
- 1999-09-17 WO PCT/DE1999/003050 patent/WO2000022212A1/de active Application Filing
- 1999-09-17 DE DE59915193T patent/DE59915193D1/de not_active Expired - Lifetime
- 1999-09-17 US US09/807,193 patent/US6401496B1/en not_active Expired - Fee Related
- 1999-09-17 ES ES99970435T patent/ES2349681T3/es not_active Expired - Lifetime
- 1999-09-17 EP EP99970435A patent/EP1121480B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO0022212A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1121480B1 (de) | 2010-08-11 |
US6401496B1 (en) | 2002-06-11 |
DE19847333C2 (de) | 2001-02-08 |
WO2000022212A1 (de) | 2000-04-20 |
ES2349681T3 (es) | 2011-01-10 |
DE59915193D1 (de) | 2010-09-23 |
DE19847333A1 (de) | 2000-04-20 |
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