EP3433127A1 - Procede de recouvrement d'un composant automobile - Google Patents
Procede de recouvrement d'un composant automobileInfo
- Publication number
- EP3433127A1 EP3433127A1 EP17713712.2A EP17713712A EP3433127A1 EP 3433127 A1 EP3433127 A1 EP 3433127A1 EP 17713712 A EP17713712 A EP 17713712A EP 3433127 A1 EP3433127 A1 EP 3433127A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cap
- knitting
- component
- seat
- face
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000009940 knitting Methods 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims description 17
- 239000011324 bead Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 230000006870 function Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000009958 sewing Methods 0.000 description 5
- 239000004753 textile Substances 0.000 description 3
- 241001282135 Poromitra oscitans Species 0.000 description 2
- 206010048232 Yawning Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000195940 Bryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 210000004177 elastic tissue Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000011929 mousse Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/58—Seat coverings
- B60N2/5891—Seat coverings characterised by the manufacturing process; manufacturing seat coverings not otherwise provided for
Definitions
- the invention relates to a method of covering a component, in particular a vehicle seat of the automotive type by a knitted cap without sewing repeat without stitching heel.
- the seat is said "capped" when a cap covers, surrounds it almost completely. All the faces of the component except that of its base: face on which the component is in support, are covered by the cap.
- the knitted tube is taken up with means such as sewing or welding machines, to be shaped cover appropriately to marry the curves and hollow of the seat.
- the knitting tube is therefore designed with a selvedge to be cut. The cutting of this selvedge transforms the tube from the craft where there are always two faces facing each other, in a single-sided flat knit with cutting edges, a single thickness as a plane.
- the wired conductor If we define the wired conductor as the wired element which is free because coming from the ball at the start and which will be used to form a new mesh of the rank by knitting, the wired conductor must be continuous, without stopping a mesh to the next to have a knit without risk of unraveling. Even if the wired element arrives at the end of the ball, the wired conductor to extend until the end of the knit, then consists of the end of the ball in use, linked to the end a new ball, the link can be a node. It is possible to multiply the wired elements in a wired conductor as long as the latter is uninterrupted for the knitting.
- these problems are solved by proposing to cover the automotive component with a cap defining a knitting pattern in three dimensions on a straight loom with two rows of needles knitting a tube of a single holding knit and which will be without transformation such as cutting, sewing, folding ... with changes of armor in correspondence with the three-dimensional definition determined for the silhouette of the automotive component. If the knitted cap thus does not properly plate the component after styling, it is possible to provide tightening means for freezing the final dimensions of the cap.
- the invention therefore relates to a method of covering by a cap obtained from a knitted tube with a shape corresponding to the silhouette of the component, and kept without cutting, without sewing, without stitching heel, without bending limiting the oversize to those related to the tightening means, to slip on the component and which conforms to the final volume of the component.
- the invention relates to a method of covering an automotive component comprising:
- a step of determining the three-dimensional definition of the silhouette of said component A step of modeling a cap model from said definition, said model comprising at least one change of knitting armor in order to fit the silhouette of said component,
- the invention also relates to a recovery method as described above, the styling step comprises a step of placing adhesive beads or adhesives on the component to be covered by the cap .
- the step of partial placement of glue or adhesives contributes to the fact that the cap fits the recesses of the seat. Thus it is possible to maintain the cap in place with respect to the component over time with adhesion between optimal cap portions and component.
- the invention also relates to a covering method as described above in which during the knitting step, the face of the knit intended to become the visible face after styling of the automotive component is the inner face. of the three-dimensional volume, the styling step comprising the overturning of the cap.
- the reversal step conceals the hiding elements that are between the upholstered seat and the cap once the latter is slipped on the seat.
- the invention also relates to a recovery method as described above during which between the knitting step and the reversal step, a step of setting up at least one step is carried out.
- a step of setting up at least one step is carried out.
- the invention also relates to a covering method as described above in which at least one bead of adhesive is arranged to hold the cap in place during the reversal step.
- at least one bead of adhesive is arranged to hold the cap in place during the reversal step.
- the cap wife roundness and hollow component being adhered by at least one cord as it rolls over the component.
- the invention also relates to a method as mentioned above in which during the knitting step, at least one tightening means is created on the face of the knit opposite to the visible face after styling. , said tightening means being adapted to locally reduce the size of the cap to adjust it to the silhouette of the component.
- the tightening means which will be accessible from the hidden face of the cap to tighten the size of the cap in relation to said silhouette.
- the tightening medium is knitted with the cap for greater solidarity with the cap. This ensures a better tightening of the cap and reduces the risk of unraveling.
- the invention also relates to a covering method as above, wherein the step of knitting a mesh is carried out with a single wire conductor and in that it comprises steps of changing the color and / or texture of the wire-knitting conductor to produce a colored and / or textured pattern.
- the cap has an apparent difference depending on the color and / or texture of the wire conductor employed which ultimately represents a colored pattern and / or texture that is distinguishable from the rest in the knitted cap.
- the invention also relates to a covering method as above, wherein the knitting step comprises armor changing steps to achieve a raised pattern.
- the changes of armor make it possible to put mesh in relation to some others in the manner of the knits in points mousses and jerseys which make it possible to create checks in reliefs on the knitting for example ...
- the headdress has an apparent difference in relief, the relief pattern that stands out from the rest in the knitted headdress.
- the invention also relates to a recovery method as above, wherein the pattern is a pictogram for distinguishing a control area of certain functions of the automobile ..
- the colorful pattern, textured or relief present directly in the knit of the cap attracts the attention of the user on an area, to encourage him to activate the function control of the motor vehicle.
- the invention also relates to an automotive component, in particular a seat, covered in accordance with a covering method in accordance therewith.
- the seat has an extremely rewarding finish, is very robust over time and potentially with vehicle functions quickly identifiable by the appearance of the cap that covers it.
- Figure 1 shows a seat 1.
- Figure 2 shows a view of the knitted cap as fallen from the linear loom with two rows of needles.
- Figure 1 shows a seat 1 ready to use: ready to receive a passenger. It comprises a backrest 2 and a seat 3.
- the seat 3 and the backrest 2 each comprise a generally metal fixed frame, called a seat frame, a trim or padding to cushion the hardness of the frame when the passenger comes to bear. on the back 2 or the seat 3 of the seat 1, padding to wrap the frame and the trim among others.
- a cap 4 then comes to cover the seat 1, surrounding the parts to hide the seat 1, the padding, the frame ... and give a decorative appearance to the seat 1.
- the cap 4 can extend from the backrest 2 to the seat 3 or be dedicated to one or the other to cover the seat 1.
- the cap 4 of the quilted seat 1 giving its final appearance to the seat 1 is obtained during a process comprising the steps described below.
- a first step is to determine the definition of the dimensions according to a three-dimensional reference of the final silhouette of the parts to be covered. In general, this three-dimensional definition is determined by metric readings from measurement means such as lasers.
- the parts to cover the seat 1 are all the seat 1 except the base of the back 2 and the back of the seat 3.
- a second step is to make a modeling of the three-dimensional definition of the silhouette, in the form of a knitting mesh pattern.
- the modeling is carried out with currently known computer-aided design means to obtain one or more knitting tubes with cross-sections of variable size, which can join or divide on a straight loom with two rows of needles with a limited number of needles per row.
- the model describes the succession of meshes to be produced to obtain at least one main tube which will be threaded on the seat to cover it, such as the main tube is as soon as it "falls" at the exit of the loom and does not require any transformation of the knit as sewn, by folding, with the exception of a reversal step described just below.
- the face of the knitted cap visible to the passenger when the cap covers the automotive component. And so the face of the knitted hat, hidden for the passenger is outside the main tube of the cap while making on the craft.
- the gauge of the main tube knitted may optionally provide to divide the main tube or merge with secondary tubes or to attach one or more secondary tubes.
- each secondary tube will be obtained simultaneously with the rank of knitting of the main tube on the straight loom with two rows of needles.
- each tube is knitted from a dedicated wire conductor, the wire conductor may be a continuous wire or a continuous succession of wires.
- the main tube and the secondary tubes are created at the same time.
- the sections of the secondary tubes may also have dimensions that vary as long as the total sum of meshes used for the different tubes, knitting rank is less than the total number of needles of the two rows of the craft.
- the secondary tube can be returned at the same time as the overturning of the main tube. Once the main and secondary tubes are returned, their visible faces for the passenger appear. The visible faces are found during manufacture within the three-dimensional volume delimited by these knitted tubes. Or the secondary tube is attached to the main tube, that is to say that there is at least one mesh of the secondary tube which is crisscrossed or taken with a mesh of the main tube, without the tubes merging or merging. The secondary tube may then constitute a means of tightening the main tube, the cap, and the constricting means present on the hidden face of the cap, and the secondary tube serving as a means of tightening the cap on its hidden side. . Once the main tube is returned, the resulting secondary tube will not be visible.
- the cap 4 is knit in the form of a volume in three dimensions with one or more tubes: a main tube, one or tubes secondary that will be visible once the main tube returned and one or secondary tubes that will not be returned, all rows of the different tubes being made simultaneously by independent wire conductors for each tube.
- the knitted cap 4 is " fallen off the loom” without any cross-section over most of the length of the overall body of the appearance textile has seam or cutting or area to bend or cut or sew.
- the cap 4 knitted in one piece has a volume in three dimensions that will be filled by the seat.
- a possible finishing step can be envisaged at the last rows of knitting of the cap 4 directly on the loom so as to create a string of "stringlage", narrowing at the end of the tube, or to create profiles that will be sewn into the lower part of the cap 4 once it is installed on the seat 1 or to create other means that will be used to attach the cap 4 to the seat 1 in particular to the frame of the seat 1 present in a non-visible area.
- Figure 2 shows a cap 4 as fallen from the loom in the form of a variable section tube whose outside has the face which will be hidden for the passenger when the cap covers the seat and whose interior has the visible side by the passenger when the cap will cover the seat.
- the outside of the tube has tightening means 10, and shrinkage means 1 1 on the last rows of knitting of the main tube, bumps 12 and withdrawals 13.
- the seat 1 to be capped is made from a frame which is embedded in a padding obtained for example by polyurethane injection into a mold. Once the seat 1 packing step performed, the seat 1 has all the expected volumes but does not have the desired final visual appearance. It is necessary to proceed to the recovery of the seat 1 furnished by a cap 4 according to two embodiments differentiated according to the shape of the seat plane 1.
- the seat 1 has a simple shape plane, the backrest 2 and the seat 3 having a final shape approaching the parallelepiped rectangular base.
- the cap 4 is threaded on the padded frame, the cap 4 is either returned before threading or threading returns.
- the cap 4 finally covers the padded frame of the seat 3 and back 2 and the elements to conceal the passenger.
- a step of "jogging", of setting up the cap 4 on the padding may be necessary, to place the cap 4 correctly on the padding to match the pins of the cap 4 such as the patterns, to landmarks of padding. If it has tightening means 10, they are activated, they then reduce the section of the volume of the knitted cap, at each row in front of them, so that the cap 4 goes as a seat glove 1 trimmed, that the cap 4 behaves like a second skin without yawning.
- cap 4 is fixed on the padding by stringlage or clipping profiles or other means of attachment.
- the backrest 2 and the seat 3 each have a silhouette with projecting or recessed volumes compared to a single seat plan seat silhouette 1.
- the seat 1 of complex shape plane has so-called lateral beads 5 and / or transverse 6.
- the lateral beads 5 are oriented in a longitudinal direction of the vehicle to maintain the passenger in a centered position in the seat 1 regardless of the dynamics of the vehicle.
- the transverse beads 6 are oriented in a transverse direction of the vehicle, for lumbar comfort for example or for the passenger is not slouched in the seat 1 or underwater position but supported in an ergonomic position with legrests for example.
- the seat 1 then also has recesses 7 between the beads 5 or 6 but it is necessary to avoid the sensation of having a cap 4 stretched between the beads 5 or 6 without it marries the recesses 7, whether it is loose compared to padding, hence the need to have means of tightening 10.
- steps of securing the cap 4 padding are performed by adhesion most often at the central part of the padding being the area of best adhesion possible.
- the cap is then returned as it covers the seat, the glue can also keep the cap turned up in place on the seat during the subsequent reversal and recovery.
- cap 4 If the cap 4 has tightening means 10, they are activated so that it goes like a seat glove 1 garnished, so that the cap 4 behaves like a second skin without yawning before quick glue.
- the cap 4 will be fixed on the padding by stringlage or clipping of the profiles or any other fastening means as in the case of a seat 1 with simple shape plan.
- the textile appearance of the cap 4 could be obtained from a wired conductor in PES (acronym for Polyester) or any other titration material 200 decitex on average.
- wire conductor comprising elastic fibers would increase the elasticity of the cap 4 for the most delicate passages during styling with respect to the elasticity already provided by the elastic properties specific to the type of mesh used or by changes of armor, without harming the plating of the cap 4 on the component.
- changing armor allows to create predominant mesh or recessed relative to each other so as to create patterns in relief in the knit. It is possible to use these patterns by placing them judiciously on the cap so that once the cap 4 capped on the seat 1, the pattern is opposite or centered around a control area of a vehicle function . The passenger can then point his finger at the center of the pattern, press his finger on the pattern or the center of the pattern which will compress the control area and trigger the activation or deactivation of the function.
- the possible functions could be the adjustment of the inclination of the backrest 2 or the longitudinal positioning of the seat 3 with the usual pictograms reproduced in mesh patterns in relief.
- the function can be a distress call in an emergency situation ... with the triangular pictogram surrounding the exclamation point.
- the adhesion step can also be carried out according to other variants:
- the padding is covered with adhesive material such as glue in the form of a bead of glue or adhesive film or pulverized.
- adhesive material such as glue in the form of a bead of glue or adhesive film or pulverized.
- the glue is directly active because it is a contact glue or the glue is reactivable, and it must be reactivated before or after styling the cap 4.
- the cap 4 is then capped on the padding glued, then possibly paluchée before final setting of the glue.
- the cap 4 will preferably be returned during threading to avoid glue stains on the visible side for the passenger of the cap.
- the invention thus proposes a device offering multiple advantages: create an unlimited offer of cap in colored / textured / embossed appearance, reduce the validation time of the cap concepts. Moreover the caps and knitted do not require a strong material commitment which allows for greater versatility in terms of commercial offer.
- the economic interest is to be able to cover a seat by a cap obtained directly on a knitting machine, which eliminates all the operations today necessary to make a cap: weaving, knitting according to a plan, or setting flat of the knitted tube, "foamage" and / or against bonding of the technical back to the back of the textile always aspect in planéiforme state, cutting of the various inserts of the cap, stitching of the various inserts between them.
- the impression of fragility of seams will be removed in fact by the absence of seam.
- the invention makes it possible to customize the cabin for each customer with knitted patterns with a greater accuracy of placement of the colorized, textured or raised patterns.
- the fact of sticking the central part of the cap makes it possible to cover with a cap very complex forms of seat with a large volume of beads. It is thus possible to cover a seat with armrests with the same cap.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Knitting Of Fabric (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1652605A FR3049241B1 (fr) | 2016-03-25 | 2016-03-25 | Procede de recouvrement d’un composant automobile |
PCT/FR2017/050328 WO2017162937A1 (fr) | 2016-03-25 | 2017-02-14 | Procede de recouvrement d'un composant automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3433127A1 true EP3433127A1 (fr) | 2019-01-30 |
Family
ID=56511672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17713712.2A Withdrawn EP3433127A1 (fr) | 2016-03-25 | 2017-02-14 | Procede de recouvrement d'un composant automobile |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3433127A1 (fr) |
FR (1) | FR3049241B1 (fr) |
WO (1) | WO2017162937A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018133584A1 (de) * | 2018-12-24 | 2020-06-25 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg | Fahrzeugbaugruppe mit flächigem Bauelement und Verfahren zur Herstellung |
CN114703593B (zh) * | 2022-02-15 | 2023-06-23 | 舒茨曼座椅(宁波)有限公司 | 一种座椅面套的制备方法和装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8822638D0 (en) * | 1988-09-27 | 1988-11-02 | Gen Motors Corp | Knitting method |
WO2010053937A1 (fr) * | 2008-11-04 | 2010-05-14 | Johnson Controls Technology Company | Housse de siège |
US20140346820A1 (en) * | 2011-11-11 | 2014-11-27 | Sympatex Technologies Gmbh | Seat and its use |
-
2016
- 2016-03-25 FR FR1652605A patent/FR3049241B1/fr not_active Expired - Fee Related
-
2017
- 2017-02-14 EP EP17713712.2A patent/EP3433127A1/fr not_active Withdrawn
- 2017-02-14 WO PCT/FR2017/050328 patent/WO2017162937A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2017162937A1 (fr) | 2017-09-28 |
FR3049241A1 (fr) | 2017-09-29 |
FR3049241B1 (fr) | 2018-03-23 |
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