EP4499428A1 - Metallband und verfahren zu seiner herstellung - Google Patents
Metallband und verfahren zu seiner herstellungInfo
- Publication number
- EP4499428A1 EP4499428A1 EP23723167.5A EP23723167A EP4499428A1 EP 4499428 A1 EP4499428 A1 EP 4499428A1 EP 23723167 A EP23723167 A EP 23723167A EP 4499428 A1 EP4499428 A1 EP 4499428A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal strip
- openings
- rows
- longitudinal extent
- another
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/15—Sealing arrangements characterised by the material
- B60J10/18—Sealing arrangements characterised by the material provided with reinforcements or inserts
Definitions
- the present invention relates to a metal strip as an insert for sealing, edge or decorative strips, in particular for motor vehicles, with a plurality of through openings which are successive in the direction of the longitudinal extent of the metal strip, in particular periodically, and extend transversely to the longitudinal extension of the metal strip, with at least two in In the direction of the transverse extension of the metal strip, there are adjacent rows of through openings that follow each other in the direction of the longitudinal extension of the metal strip, the through openings of the two rows being arranged alternately offset from one another in the direction of the longitudinal extension of the metal strip, so that the through openings of the two rows are in the direction of the longitudinal extension of the metal strip are not considered to be arranged at the same height, as well as a method for producing such a metal strip.
- Such metal strips are used particularly in the motor vehicle sector as an insert for sealing strips for sealing engine compartment, trunk and door openings.
- the continuously manufactured metal strips are coated with rubber and/or flexible plastic and have through openings, among other things, to enable penetration of the sealing material in non-adhesive-coated metal strips and thereby anchor the rubber material or plastic material to the metal strip.
- the through openings serve to design the flexibility of the metal strip in the desired manner.
- the metal strip must have a certain tensile strength, since the coating with plastic or rubber material is carried out by extrusion, with considerable forces occurring in the direction of the longitudinal extent of the metal strip.
- Such metal strips can be bent before or after being covered with the plastic or rubber material to form a usually U-shaped clamping profile, which is clamped onto the sealing flanges of the opening.
- the clamping profile In order to be able to follow the contours of the opening, the clamping profile usually has to be flexible in both the horizontal and vertical planes.
- the clamping profile should be compressible in the longitudinal direction, since the openings to be sealed can have considerable circumferential tolerances and cutting the sealing strip to length on site would be extremely complex.
- Sealing strips with compressible clamping profiles can preferably be manufactured endlessly to the maximum length and compressed to the actual length during installation. Gluing or vulcanizing these sealing strips together does not have to be done on site, so that the sealing strip installation can also be easily carried out by robots. Another requirement of a clamping profile is to exert the greatest possible clamping force.
- the invention is based on the object of providing a metal strip of the type mentioned, which is improved with regard to the requirements mentioned.
- high tensile strength should be optimally combined with sufficient flexibility and clamping force.
- a metal strip of the type mentioned at the outset which is characterized in that the through openings of the two rows transversely to the longitudinal extent of the metal strip overlap at most minimally with one another or are at most at a minimal distance from one another.
- the minimal overlap of the through-openings of the two rows or the minimal distance between the through-openings of the two rows results in a kind of neutral fiber between the two rows of through-openings, i.e. a closed area of the metal strip extending in the direction of the longitudinal extent of the metal strip, in which there are no through openings.
- a kind of neutral fiber between the two rows of through-openings i.e. a closed area of the metal strip extending in the direction of the longitudinal extent of the metal strip, in which there are no through openings.
- the desired flexibility of the metal strip in particular a clamping profile bent into a U-profile, can be achieved by means of the through openings.
- the overlap in the direction of the transverse extent of the through openings with one another is preferably 1 mm or less, 0.8 mm or less, 0.5 mm or less, in particular 0.2 mm or less or 0 mm. This allows good tensile forces to be achieved while at the same time providing high flexibility for the metal strip.
- the distance in the direction of the transverse extent of the through openings from one another is preferably 1 mm or less, 0.8 mm or less, 0.5 mm or less, 0.2 mm or less or 0 mm. This also means that a high tensile force can be achieved with great flexibility at the same time (you should
- the through openings of at least one of the two rows open into one of the two side edges of the metal strip. These are then lateral through openings in the metal strip.
- the through openings of at least one of the two rows do not open into either of the two side edges. These through openings are then through openings in the central region of the metal strip.
- At least one further row of through openings can be present, wherein the through openings of the at least one further row can open into one of the two side edges of the metal strip or into neither of the two side edges of the metal strip mouth. This allows additional side openings or openings to be provided in the central region of the metal strip.
- the through openings of the at least one further row preferably overlap at most with the through openings of one of the two rows, the through openings of which at most overlap minimally with one another or are at most at a minimal distance from one another.
- the through openings of the at least one further row do not extend into the neutral fiber between the through openings of the two rows mentioned, so that this is retained. In principle, however, the through openings of the at least one further row can also overlap with the through openings of the two rows. This still results in an increased tensile force compared to known metal strips.
- two or more pairs of rows whose through openings at most minimally overlap one another or whose through openings are at most at a minimal distance from one another, can be provided.
- the through openings of the metal strip can be arranged symmetrically or asymmetrically to the longitudinal center of the metal strip.
- Asymmetrically designed metal strips have increased flexibility in a preferred bending direction.
- the through openings that do not open into one of the two side edges open only half as much as the through openings that open into one of the two side edges.
- a neutral web remains between two through openings that do not open into a side edge, which limits or prevents the metal band from constricting transversely to its longitudinal extent.
- the through openings that open into a side edge of the metal strip can overlap with the through openings that do not open into a side edge.
- a row of through openings is present in both edge regions of the metal strip, which open into a side edge of the metal strip, with two through openings in each of a further row being arranged between two successive through openings in each of these two rows, which do not lead into a side edge mouth.
- the through openings of these two further rows can form a neutral fiber between them, or there can be a row of through openings between these two further rows, with the through openings of this further row preferably viewed in the direction of the longitudinal extent of the metal strip are located at the level of the through openings of the two rows present in the edge areas and/or form a neutral fiber between themselves and the through openings of the two other rows.
- unopened incisions are present between through openings which follow one another in the direction of the longitudinal extent of the metal strip and open into one of the two side edges of the metal strip. This allows the flexibility of the band to be further increased without significantly reducing the tensile force of the metal band.
- the metal strip according to the invention can be produced by cutting, in particular rotary knife cutting, punching or laser cutting, whereby the strip can be elongated after cutting by rolling and/or drawing.
- the metal strip can be produced particularly quickly and cost-effectively using rotary cutting, and advantageous properties can be achieved.
- the lengthening is preferably carried out until a rounding is obtained at the end or ends of the through openings located inside the strip.
- the resulting tape is largely the same as a punched tape, but is simpler and cheaper to produce.
- the through openings can have an opening width in the direction of the longitudinal extent of the metal strip of 0.8 mm or more, in particular 0.9 mm or more. Due to the relatively large opening width, the band is relatively light.
- the metal strip preferably has a thickness of 0.3 mm or more. This has proven to be advantageous for the use mentioned at the beginning, particularly in the motor vehicle sector.
- there are two outer rows of through openings which each open into one of the two side edges of the metal strip and are arranged in pairs at the same height when viewed in the direction of the longitudinal extent of the metal strip, with an inner row of through openings being present which do not open into either of the two side edges of the metal strip, and the through openings of the inner row, viewed in the direction of the longitudinal extent of the metal strip, are each arranged between the paired through openings of the two outer rows and at most minimally overlap with them or at most a minimal distance from them exhibit. This results in a particularly cost-effective and stable metal strip.
- the distance between the inner band ends of a pair of the paired through-openings of the two outer rows is preferably smaller than the sum of the respective distances between the mutually facing ends of the through-openings of the two outer rows and the through-openings of the inner row. This allows a defined breaking point to be created, which is designed as a weak point that can be broken in a defined manner using a breaking process.
- the respective distance between the inside ends of the pairs of through openings of the two outer rows is 5 mm or less, preferably 4 mm or less, more preferably 3.5 mm or less, in particular 3 mm or less, particularly preferably 2 mm or less.
- the properties of the metal strip can thereby be further improved.
- the width of the unbroken area is between successive through openings in the two outer rows in the direction of the longitudinal extent of the metal strip each 3 mm or more, preferably 3.5 mm or more, more preferably 4 mm or more, particularly preferably 5 mm or more, in particular 6 mm or more. This also allows the properties of the metal strip to be further improved.
- the opening width of the through openings of the two outer rows and/or the inner rows, viewed in the direction of the longitudinal extent of the metal strip is 0.3 mm or more, preferably 0.5 mm or more, more preferably 0.8 mm or more, particularly preferably 1 mm or more, in particular 1.5 mm or 2 mm or more.
- the metal strip according to the invention can consist of steel, stainless steel or aluminum or an alloy with steel or an alloy with aluminum. These materials have proven to be particularly suitable for the metal strips according to the invention.
- a method for producing a metal strip according to the invention is characterized in that the through openings are produced by cutting, in particular rotary cutting or laser cutting, and subsequent lengthening, in particular rolling and / or drawing, the metal strip being elongated until a rounding results at the end or ends of the through openings located inside the band.
- a metal strip can be produced by cutting, which largely corresponds to a punched metal strip, but is significantly cheaper to produce.
- the metal strip is elongated until the through openings have an opening width in the direction of the longitudinal extent of the metal strip of 0.8 mm or more, preferably 0.9 mm or more. This results in a special Light metal band, which still has sufficient stability and tensile strength.
- Fig. 1 shows a first embodiment of the metal strip 1 according to the invention with a plurality of through openings 2 which are periodically successive in the direction of the longitudinal extension I of the metal strip 1 and extend transversely to the longitudinal extension I of the metal strip 1, with four rows lying next to one another in the direction of the transverse extension II of the metal strip 1 3 of successive through openings 2 in the direction of the longitudinal extent I of the metal strip 1 are present.
- the four rows 3 include two outer rows 3i and 34, the through openings 2 of which each open into a side edge 4 of the metal strip 1. Between these two outer rows 3i and 34 there are two inner rows 32 and 33, the through openings 2 of which do not open into either of the two side edges 4 of the metal edge 1.
- Both the through openings 2 of the two outer rows 3i and 34 as well as the through openings 2 of the two inner rows 32 and 3a are each arranged alternately offset from one another in the direction of the longitudinal extension I of the metal strip 1, so that these through openings are not at the same height in the direction the longitudinal extent I of the metal strip 1 is considered.
- there is a through opening 2 of an inner row 32, 3a which does not open into one of the two side edges 4 of the metal strip 1, viewed at the same height in the direction of the longitudinal extension I of the metal strip 1 as a through opening 2 of the two outer rows 3i and 34, each of which opens into a side edge 4 of the metal strip 1.
- the through openings 2 of the two inner rows 32 and 33 are arranged in such a way that they overlap each other minimally transversely to the longitudinal extent I of the metal strip 1 or are at most at a minimal distance from one another, so that between the through openings 2 of the two inner rows 32 and 3a results in a so-called neutral fiber 5, which runs in the direction of the longitudinal extent I of the metal strip 1 and is not interrupted by a through opening 2.
- both the distance between the respective through openings 2 of the two inner rows 32 and 3a and their overlap are exactly 0, so that the neutral fiber 5 runs along a straight line in the direction of the longitudinal extent I of the metal strip 1.
- the overlap of the through openings 2 with one another is in particular 1 mm or less, 0.8 mm or less, 0.5 mm or less, 0.2 mm or less or exactly 0 mm.
- the distance between the through openings 2 from one another is in particular 1 mm or less, 0.8 mm or less, 0.5 mm or less, 0.2 mm or less, in particular 0 mm.
- the second embodiment of a metal strip 1 according to the invention shown in FIG. 2 largely corresponds to that of FIG.
- the neutral fiber 5 is not located in the longitudinal center of the metal strip 1, but is laterally offset from it. In contrast to the embodiment of FIG. 1, it is not a symmetrical but an asymmetrical metal strip 1.
- the through openings 2 are also designed asymmetrically, in that the through openings on the left side of the metal strip in FIG. 2 are shorter in the direction of the transverse extension II of the metal strip 1 than the through openings 2 on the right side of the metal strip 1.
- additional, unopened incisions 13 are present. These incisions 13 advantageously increase the flexibility of the metal strip 1 and can also be provided in all other embodiments of the metal strip according to the invention.
- the exemplary embodiment of FIG. 4 largely corresponds to the exemplary embodiment of FIG. 3.
- the metal strip 1 of the exemplary embodiment of FIG. 4 is not symmetrical, but asymmetrical formed in that the neutral fiber 5 runs laterally offset from the central longitudinal plane of the metal strip 1.
- FIG. 5 differs from that of FIG. 1 essentially in that the through openings 2 have different lengths in the direction of the transverse extension II of the metal strip 1, namely the through openings 2 of the two outer rows 3i and 34 compared to the The embodiment of FIG. 1 is shorter and the through openings 2 of the two inner rows 32 and 3a are longer than the embodiment of FIG. 1.
- the exemplary embodiment of FIG. 6 also differs only slightly from the exemplary embodiment of FIG. 1.
- the lengths of the through openings 2 of the two outer rows 3i and 34 are larger than those of the exemplary embodiment of FIG. 1 and the lengths of the through openings 2 of the two inner rows 32 and 3a are shorter than those of the exemplary embodiment of FIG.
- the embodiment of Fig. 8 has five rows of through openings 2, namely two outer rows 3i and 34 and three inner rows 32, 3a and 3s. There is a neutral fiber 5 between two adjacent rows 3, a total of four neutral fibers 5.
- the through openings 2 of the two outer rows 3i and 34 are each located at the height of a through opening 2, viewed in the direction of the longitudinal extension I of the metal strip 1 inner row 3s.
- the through openings 7 and 8 also has further through openings 7 and 8, namely further through openings 7, which each open into a side edge 4 of the metal strip 1 and are arranged between two through openings 2 of the two outer rows 3i and 34, as well as further through openings 8, which do not open into either of the two side edges 4 of the metal strip 1 and are arranged between two through openings 2 of the inner row 3s.
- the through openings 7 and 8 are each at the same height when viewed in the direction of the longitudinal extent I of the metal strip 1.
- the embodiment of Fig. 9 also has five rows of through openings 2, namely two outer rows 3i and 34 and three inner rows 32, 33 and 3s. Between each two successive through openings 2 in the two outer rows 3i and 34 in the direction of the longitudinal extent I of the metal strip 1, there are two through openings 2 in the two adjacent inner rows 32 and 3a.
- the through openings 2 of the inner row 3s are located in the direction of the longitudinal extent I of the metal strip 1 at the level of a through opening 2 of the two outer rows 3i and 34.
- FIG. 10 largely corresponds to that of FIG. 9. It also has five rows of through openings 2, although in contrast to the exemplary embodiment of FIG. 9 there is only one through opening 2 in the adjacent row 32 or 3a is arranged.
- FIG. 11 there are three rows of through openings 2, namely two outer rows 3i and 34 and an inner row 32, wherein the through openings 2 of the two outer rows 3i and 34 do not overlap with the through openings 2 of the inner row 32 in the direction of the transverse extension II of the metal strip 1 and are not at a distance from one another in this direction.
- the band essentially corresponds to the metal band of FIG. 7.
- Fig. 12 shows a variant similar to Fig. 7, but with additional through openings 7, and Fig. 13 shows a variant similar to Fig. 10, but with webs 6 between two through openings 2 of the middle row 3s.
- the metal strip 1 of FIG. 14 has two outer rows 3i and 34 and an inner row 3s of through openings 2.
- the metal strip of Fig. 15 has five inner rows 3s of through openings 2, the through openings 2 of adjacent rows 3s not overlapping one another when viewed transversely to the longitudinal extent of the metal strip 1.
- the through openings 2 of the rows 3s mentioned have a rounding at their two ends 2 on the inside of the band. The same applies to the ends 11 of the further through openings 7 on the inside of the band.
- a rolling track 12 can be seen between the further through openings 7 and the through openings 2 of the adjacent inner rows 3s.
- the metal strip of Fig. 16 largely corresponds to the metal strip of Fig. 15. However, there is no rolling track between the further through openings 7 and the through openings 2 of the adjacent inner row 3s.
- the metal strip of FIG. 17 has six inner rows 3s of through openings 2, the two inner ends 1 1 of which each have a curve.
- the metal strip of FIG. 17 has further through openings 7 on one side, which open into an edge 4 of the metal strip 1.
- a rolling track 12 is present between these through openings 7 and the through openings 2 of the adjacent inner row 3s.
- a rolling track 12 is present between the third and fourth inner row 3s of through openings 2.
- a rolling track 12 is provided on the side of the metal strip facing away from the further through openings 7.
- the metal strip of Fig. 18 largely corresponds to the metal strip of Fig. 17. However, there are eight inner rows of 3s. Between the further through openings 7 and the adjacent row 3s of through openings 2 there is again a rolling track 12, also on the side of the metal strip 1 facing away from the further through openings 7. In the metal strip of Fig. 19 there are eleven inner rows 3s of through openings 2 as well as a row of further through openings 7 which open into an edge 4 of the metal strip. This metal strip has no rolling marks 12.
- the metal strip 1 of Fig. 20 largely corresponds to the metal strip 1 of Fig.
- the metal strip 1 of FIG. 20 simply does not have any additional through openings 7, but is delimited on both side edges 4 by a rolling track 12.
- the metal strip 1 of Fig. 21 largely corresponds to the metal strip 1 of Fig.
- the metal strip 1 of FIG. 21 simply does not have any additional through openings 7, but is delimited on both side edges 4 by a rolling track 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Motor Or Generator Frames (AREA)
- Rod-Shaped Construction Members (AREA)
- Seal Device For Vehicle (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202022102549.5U DE202022102549U1 (de) | 2022-05-10 | 2022-05-10 | Metallband |
| PCT/EP2023/061023 WO2023217534A1 (de) | 2022-05-10 | 2023-04-26 | Metallband und verfahren zu seiner herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4499428A1 true EP4499428A1 (de) | 2025-02-05 |
Family
ID=86332097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23723167.5A Pending EP4499428A1 (de) | 2022-05-10 | 2023-04-26 | Metallband und verfahren zu seiner herstellung |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4499428A1 (de) |
| CN (1) | CN118401393A (de) |
| DE (1) | DE202022102549U1 (de) |
| MX (1) | MX2024013647A (de) |
| WO (1) | WO2023217534A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202024104163U1 (de) * | 2024-07-24 | 2025-10-27 | Bfc Fahrzeugteile Gmbh | Metallband |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209045B (en) * | 1987-08-25 | 1991-06-05 | Silent Channel Prod Ltd | A core for a strip structure |
| DE102004058735A1 (de) * | 2004-12-06 | 2006-06-08 | BFC Büro- und Fahrzeugtechnik GmbH & Co. Prod. KG | Metallband als Einlage für Zier- oder Dichtstreifen |
| DE102014103589A1 (de) * | 2013-03-19 | 2014-09-25 | Acp Deutschland Gmbh & Co.Kg | Gestanzter Metallträger für Dichtungen |
| EP2915960A1 (de) | 2014-03-07 | 2015-09-09 | Siemens Aktiengesellschaft | Dichtungsanordnung zum Abdichten eines Spalts zwischen zwei bei Raumtemperatur spaltseitig flächig aneinander liegender Bauteile |
| DE102016213613A1 (de) | 2016-07-25 | 2018-01-25 | Aktiebolaget Skf | Dichtungsanordnung und Verfahren zur Herstellung der Dichtungsanordnung |
| US11131385B2 (en) | 2017-10-18 | 2021-09-28 | Atlas Seals, Inc. | Press-in retainer ring |
| DE202021104735U1 (de) * | 2021-09-02 | 2021-10-04 | Bfc Fahrzeugteile Gmbh | Metallband |
-
2022
- 2022-05-10 DE DE202022102549.5U patent/DE202022102549U1/de active Active
-
2023
- 2023-04-26 CN CN202380015139.0A patent/CN118401393A/zh active Pending
- 2023-04-26 WO PCT/EP2023/061023 patent/WO2023217534A1/de not_active Ceased
- 2023-04-26 EP EP23723167.5A patent/EP4499428A1/de active Pending
-
2024
- 2024-11-04 MX MX2024013647A patent/MX2024013647A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023217534A1 (de) | 2023-11-16 |
| CN118401393A (zh) | 2024-07-26 |
| MX2024013647A (es) | 2024-12-06 |
| DE202022102549U1 (de) | 2023-08-11 |
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