JP2008056020A - Weather strip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weather strip capable of stabilizing the mounting state while reducing the weight. <P>SOLUTION: The weather strip 4 has a trim part 5 etc. An insert 14 is embedded inside the trim part 5. The insert 14 has a plurality of frame piece parts 31 etc. On the frame piece part 31, a projection part 33 extended to the longitudinal direction is formed. In the insert 14, thickness of portions other than both bend parts 44, 45 is set thinner than that of the both bend parts 44, 45. Therefore, this structure can reduce not only the weight of the whole insert 14 but also the weight of the whole weather strip 4 while suppressing decline in the strength caused by thinning. In contrast, since the bend parts 44, 45 are relatively thick, this structure can suppress decline in the strength and bonding force caused by crushing of the projection parts 33 of the both bend parts 44, 45 which makes the projection parts 33 have an approximately flat plate shape during bending work. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a weather strip in which an insert is embedded in a trim portion.

  Generally, a weather strip having a trim portion is provided on a flange at the periphery of a door opening of a vehicle such as an automobile. The weather strip includes a trim portion that is held by being fitted to a flange at the periphery of the door opening, and a hollow seal portion that protrudes from the trim portion. A trim part is provided with the connection part which connects a vehicle inner side wall, a vehicle outer side wall, and both side walls, and makes cross-sectional substantially U shape. In addition, a holding lip portion that extends toward the inside of the trim portion is integrally formed on the inner surfaces of both side walls.

  A metal insert is embedded in the trim portion. As shown in FIG. 10, the insert 90 includes, for example, a plurality of strip-shaped bone fragment portions 91 arranged substantially parallel to each other, and a center bond that is located in the connection portion and connects the bone fragment portions 91 to each other. Part 92. In the figure, the insert 90 is shown in a state before the bone fragment 91 is bent into a substantially U shape.

  When the weather strip is attached, the trim portion is fitted into the flange, and the attachment state is basically maintained based on the elastic force by the holding lip portion or the binding force of the insert. . When the door is closed, the edge of the door comes into contact with the seal portion, and the seal portion is crushed and deformed to seal between the door and the body.

In recent years, there has been an increasing demand for weight reduction on weatherstrips. In particular, since the ratio of the metal insert to the weather strip is high, the weight of the weather strip can be reduced by reducing the weight of the insert. As a technique for reducing the weight of the insert, there is a technique in which the center bond portion is thinner than the bone fragment portion (see, for example, Patent Document 1). In addition, in order to reduce the thickness of the bone fragment portion and suppress a decrease in strength (shape retention performance) due to the thinning, there is one that forms a linear protrusion extending along the longitudinal direction of the bone fragment portion ( For example, see Patent Document 2.)
Japanese Patent Laid-Open No. 11-48879 Japanese Patent Laid-Open No. 2003-200791

  However, in the former technique, since only the center bond portion is thin, it cannot be said that sufficient weight reduction is achieved. In addition, as shown in FIG. 11, in the latter technique, it is possible to reduce the thickness of the entire bone fragment 96, but when the bone fragment 96 is bent, the ridge 99 in both curved portions 97 and 98. Is crushed and becomes substantially flat. Therefore, the significance of providing the ridge 99 is diminished, and the two curved portions 97 and 98 cannot sufficiently achieve the purpose of suppressing the decrease in strength of the bone fragment portion 96 due to thinning. There is a risk that.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a weather strip that can stabilize the mounting state while reducing the weight.

  In the following, each means suitable for solving the above-described object will be described in terms of items. In addition, the effect etc. peculiar to the means to respond | correspond as needed are added.

Means 1. A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone fragment portions disposed substantially parallel to each other, and in the connection portion, With a bond part that connects each bone fragment part,
Each bone fragment is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The weather strip according to claim 1, wherein the thickness of the other part of the insert is less than the thickness of the two curved portions.

  According to the means 1, a predetermined binding force is applied by the metal insert embedded in the trim portion, and the weather strip mounting state is maintained. Now, in the means 1, the strip-shaped bone fragment portion constituting the insert is composed of a vehicle inner side wall corresponding portion, a vehicle outer side wall corresponding portion, and a connecting portion corresponding portion, and has a substantially U-shaped cross section. Further, the connecting portions of the vehicle inner side wall corresponding portion and the connecting portion corresponding portion and the connecting portions of the vehicle outer side wall corresponding portion and the connecting portion corresponding portion are both curved portions. Here, compared with the thickness of both curved parts among inserts, the thickness of the other site | part except both curved parts is made thin. In addition, each bone fragment is formed with a ridge extending along the longitudinal direction by bending a flat plate. Therefore, it is possible to reduce the weight of the entire insert, and hence the weather strip, while suppressing the decrease in strength and rigidity due to the thinning. On the other hand, although there is a concern about the crushing of the ridges at both curved portions, both curved portions of the insert are relatively thick. Thereby, even if the protrusion part in both curved parts is crushed at the time of a bending process, the fall of the intensity | strength in both curved parts and rigidity can be suppressed, and it is easy to hold | maintain an original shape. As a result, it is possible to suppress the situation that the binding force becomes insufficient, and to stabilize the mounting state. Moreover, by stabilizing the mounting state, the sealing performance by the seal portion can be sufficiently exhibited over a long period of time.

  In addition, from the viewpoint of sufficiently reducing the weight and providing a predetermined strength, the insert is made of cold-rolled steel plate (SPCC), and the thickness of both curved portions is 0.5 mm ± 0. It is more desirable that the thickness of other parts excluding both curved parts is 0.4 mm ± 0.04 mm.

Mean 2. A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone fragment portions disposed substantially parallel to each other, and in the connection portion, With a bond part that connects each bone fragment part,
Each bone fragment part is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment part,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The weather strip according to claim 1, wherein the bone fragment portion includes at least a wide portion and a narrow portion narrower than the wide portion, and at least both the curved portions are the wide portions.

  According to the means 2, the bone fragment part comprises at least a wide part and a narrow part having a narrower width (here, “width” means a length along the longitudinal direction of the insert) than the wide part, Of the bone fragments, at least both curved portions are wide portions. Further, part or all of the bone fragment portion excluding both curved portions is a narrow portion. In addition, similar to the means 1, each bone fragment portion is provided along its longitudinal direction. An extending ridge is formed. Accordingly, it is possible to reduce the weight of the entire insert, and hence the weather strip, while suppressing the decrease in strength and rigidity due to the formation of the narrow portion. On the other hand, both curved portions of the bone fragments are wide portions. Thereby, similarly to the means 1, even if the protrusions in both the curved portions are crushed at the time of bending, it is possible to suppress a decrease in strength and rigidity in both the curved portions, and to stabilize the mounting state. be able to.

Means 3. A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone pieces disposed substantially parallel to each other, in the connecting portion, and With a bond part that connects each bone fragment part,
Each bone fragment part is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment part,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The bone fragment portion includes at least a wide portion and a narrow portion narrower than the wide portion, and at least both the curved portions are the wide portions, and compared to the thickness of the curved portions of the insert. A weather strip characterized in that the thickness of other portions excluding the two curved portions is reduced.

  According to the means 3, the effects of the means 1 and 2 are achieved at once. As a result, the mounting state can be further stabilized.

  Means 4. The weather strip according to means 1 or 3, wherein the thickness of the other portions excluding the two curved portions is thinner than the thickness of the two curved portions by 0.05 mm or more.

  According to the means 4, compared with the thickness of both curved parts, the thickness of the other part except both curved parts is comprised 0.05 mm or more thinly. Therefore, it is possible to reduce the weight of the entire insert, and hence the weight of the entire weather strip. On the other hand, since both curved parts are made 0.05 mm or more thicker than other parts, even if the ridges in both curved parts are crushed during bending, the reduction in strength and rigidity is suppressed. Can do. In other words, while achieving weight reduction, it is easy to achieve the contradictory effects of suppressing the decrease in strength and rigidity. It should be noted that “the thickness of the other portions excluding both the curved portions may be 0.08 mm or more thinner than the thickness of both curved portions”.

  Means 5. The weather strip according to means 2 or 3, wherein a ratio of the width of the narrow portion to the width of the wide portion is 0.6 or more and 0.85 or less.

  According to the means 5, the width of the wide portion and the width of the narrow portion are set so that the ratio of the width of the narrow portion to the width of the wide portion is 0.6 or more and 0.85 or less. Accordingly, while reducing the weight of the insert and thus the weight of the weather strip, it is possible to sufficiently ensure the strength and rigidity of the wide portion, and further reduce the strength and rigidity of the narrow portion more than necessary. This can be suppressed. That is, similar to the above means 4, while reducing the weight, it is easy to attain all of the conflicting effects of suppressing the decrease in strength and rigidity. In order to achieve the above effects, it is more preferable that the ratio of the width of the narrow portion to the width of the wide portion is 0.7 or more and 0.8 or less.

  Means 6. 6. The weather strip according to any one of means 1 to 5, wherein at least one tip of the vehicle inner side wall corresponding portion and the vehicle outer side wall corresponding portion is cut out at predetermined intervals.

  According to the means 6, since at least one tip portion of the vehicle inner side wall corresponding portion and the vehicle outer side wall corresponding portion is cut out at predetermined intervals, further weight reduction can be achieved. On the other hand, since the object to be excised is the front end portion of the vehicle inner side wall corresponding portion and the vehicle outer side wall corresponding portion, and the excision is performed at predetermined intervals (for example, every other or every second), the strength and rigidity It is not necessary to affect so much.

[First Embodiment]
First, a first embodiment will be described with reference to the drawings. As shown in FIG. 2, a weather strip 4 is provided at the periphery of the body-side door opening 3 corresponding to the side door 2 of the automobile 1. The weather strip 4 of this embodiment is attached over the periphery of the door opening 3 except for the lower part, and is all formed by an extrusion method.

  As shown in FIG. 1, the weather strip 4 includes a trim portion 5 and a seal portion 6. The trim portion 5 includes a connecting portion 13 having a cross-sectional curved shape that connects the vehicle inner side wall 11, the vehicle outer side wall 12, and both side walls 11, 12, and has a substantially U shape as a whole. The trim part 5 is made of EPDM (ethylene-propylene-diene copolymer) solid rubber, and the inside thereof is made of metal [in the present embodiment, made of cold-rolled steel sheet (for example, SPCC-4D)]. An insert 14 is embedded.

  A plurality of holding lip portions 15 extending toward the inner side of the trim portion 5 (the vehicle inner side in the vehicle width direction) are integrally formed on the inner surface of the vehicle outer side wall 12. A holding lip portion 16 that extends toward the inner side of the trim portion 5 (the vehicle outer side in the vehicle width direction) is integrally formed on the inner surface of the vehicle inner side wall 11. Further, a cover lip 17 for integrally covering an end portion of an interior product such as garnish (not shown) is integrally formed with the connecting portion 13.

  Further, the seal portion 6 is provided so as to protrude outward from the vehicle side wall 12 and has a hollow shape. The seal portion 6 is made of EPDM sponge rubber. The seal portion 6 may be composed mainly of EPDM sponge rubber and may be configured such that a coating of EPDM solid rubber is formed on the surface layer side thereof. When the door 2 is closed, the seal portion 6 is crushed and deformed, so that the space between the door 2 and the body of the automobile 1 is sealed.

  The weather strip 4 is attached by fitting the trim portion 5 to the periphery of the door opening 3 on the body side (see FIG. 2). More specifically, as shown in FIG. 1, the body includes an inner panel 21 and an outer panel 22, and the flange 23 is basically formed by joining the peripheral portions of both the panels 21 and 22. (Of course, a plate-like reinforcement may be provided between the panels 21 and 22 to increase the strength). Then, the trim portion 5 is fitted into the flange 23, and the mounting state is basically maintained based on the elastic force by the holding lip portions 15 and 16, the binding force of the insert 14, or the like. Yes.

  As the insert 14 in this embodiment, a center bond type as shown in FIGS. 3 to 6 is used (FIGS. 5 and 6 show a state before bending). That is, the insert 14 includes a plurality of strip-shaped bone fragment portions 31 arranged substantially parallel to each other, and a center bond portion 32 that connects the bone fragment portions 31 to each other at a substantially central portion thereof. Further, the bone piece portion 31 is formed with a protrusion 33 extending along the longitudinal direction by bending a flat plate. More specifically, the ridge 33 has a substantially cross-sectional shape and is bent so that the protruding length H from the flat plate portion is about 0.1 mm (see FIGS. 4A and 4B). .

  And the bone piece part 31 is embed | buried for every predetermined space | interval along the longitudinal direction of the trim part 5 among the said inserts 14, and it is bent in the substantially U shape with the trim part 5 in the bending process after extrusion molding. On the other hand, the center bond portion 32 is embedded so as to be positioned substantially at the center in the connecting portion 13 continuously along the longitudinal direction of the trim portion 5. In the present embodiment, the center bond portion 32 corresponds to a “bond portion”.

  Now, the point that the bone fragment portion 31 is bent into a substantially U shape together with the trim portion 5 has been described above. That is, the bone fragment portion 31 corresponds to the vehicle interior side wall corresponding portion 41 corresponding to the vehicle interior side wall 11, the vehicle exterior side wall corresponding portion 42 corresponding to the vehicle exterior side wall 12, and the connection portion corresponding to the connection portion 13. It consists of the part 43, and makes | forms a cross-sectional substantially U shape by passing through the said bending process. Further, the connecting portions of the vehicle inner side wall corresponding portion 41 and the connecting portion corresponding portion 43 and the connecting portions of the vehicle outer side wall corresponding portion 42 and the connecting portion corresponding portion 43 are both curved portions 44 and 45.

  And in this embodiment, as shown in FIGS. 3-6, compared with the thickness of the said both bending parts 44 and 45 (site | part with the dotted pattern in FIG. 6) among the insert 14, the said both bending part The thickness of other parts except 44 and 45 is thin. More specifically, the thickness T1 of both curved portions 44 and 45 is 0.5 mm, while the thickness T2 of other portions (including the center bond portion 32) is 0.4 mm.

  As described above in detail, according to the present embodiment, the thickness of the two curved portions 44 and 45 (T2 = 0.4 mm) of the insert 14 other than the portions other than the two curved portions 44 and 45 (T2 = 0.4 mm). T1 = 0.5 mm) is thickened. Therefore, even if the protrusions 33 in both the curved portions 44 and 45 are crushed during bending, it is possible to suppress a decrease in strength and rigidity and to easily maintain the original shape. As a result, it is possible to suppress the situation that the binding force becomes insufficient, and to stabilize the mounting state. Moreover, by stabilizing the mounting state, the sealing performance by the seal portion 6 can be sufficiently exhibited over a long period of time. On the other hand, a protrusion 33 having a protrusion length H of 0.1 mm is formed on the bone fragment 31 and is thinned except for both curved portions 44 and 45 (T2 = 0. 4 mm). Therefore, the strength and rigidity comparable to the case where the thickness of the bone fragment 31 is 0.5 mm can be secured, and the weight of the entire insert 14 and the weight of the weather strip 4 can be reduced.

[Second Embodiment]
Next, a second embodiment will be described with a focus on differences from the first embodiment with reference to the drawings. The insert 50 in the present embodiment includes a plurality of bone fragment parts 51 and a center bond part 52 that connects the bone fragment parts 51 to each other as shown in FIGS. Has been. Further, in the bone fragment portion 51, as in the first embodiment, the ridge portion 53 is formed so as to protrude about 0.1 mm from the flat plate portion. Similarly to the first embodiment, the bone fragment portion 51 is embedded in the trim portion 5 and includes a vehicle inner side wall corresponding portion 61, a vehicle outer side wall corresponding portion 62, and a connecting portion corresponding portion 63. It is generally U-shaped. Further, the connecting portions of the vehicle interior side wall corresponding portion 61 and the connecting portion corresponding portion 63 and the connecting portions of the vehicle outer side wall corresponding portion 62 and the connecting portion corresponding portion 63 are curved portions 64 and 65, respectively.

  In the present embodiment, the curved portions 64 and 65 of the bone fragment 51 are the wide portions 64, and other portions (in this embodiment, the vehicle interior side wall corresponding portion 61 and the vehicle exterior side wall corresponding portion 62 are arranged. The connecting portion corresponding portion 63) is a narrow portion 55 that is narrower than the wide portion 54. Here, the width of the wide portion 54 is 2.0 mm, whereas the width of the narrow portion 55 is 1.5 mm.

  As described above, according to the present embodiment, both the curved portions 64 and 65 are the wide portions 54. Therefore, even if the protrusions 53 in both curved portions 64 and 65 are crushed during bending, the strength and rigidity can be prevented from being lowered and the original shape can be easily maintained. As a result, as in the first embodiment, a situation in which the binding force becomes insufficient can be suppressed, and the attachment state can be stabilized. Moreover, by stabilizing the mounting state, the sealing performance by the seal portion 6 can be sufficiently exhibited over a long period of time. On the other hand, a protrusion 53 is formed on the bone fragment 51, and a portion of the bone fragment 51 excluding both curved portions 64 and 65 is a narrow portion 55. Accordingly, it is possible to suppress a decrease in strength and rigidity due to the formation of the narrow portion 55, and it is possible to reduce the weight of the insert 50 as a whole, and thus the weight of the weather strip 4 as a whole.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) Although not specifically mentioned in the above embodiment, at least both the curved portions 64 and 65 are the wide portions 54, and both the curved portions 64 and 65 are compared with the thickness of both the curved portions 64 and 65 of the insert. The thickness of other portions except for may be reduced. That is, you may implement combining 1st, 2nd embodiment. As a result, the mounting state can be further stabilized.

  (B) Moreover, it is good also as that at least one front-end | tip part is excised for every predetermined space | interval among the vehicle inside side wall corresponding parts 41 and 61 and the vehicle outside side wall corresponding parts 42 and 62. Such excision can further reduce the weight. On the other hand, the object to be excised is the front end portions of the vehicle inner side wall corresponding portions 41, 61 and the vehicle outer side wall corresponding portions 42, 62, and the excision is performed at predetermined intervals such as every other interval. It is not necessary to affect so much.

  (C) In the above embodiment, the inserts 14 and 50 are configured to include only the center bond portions 32 and 52. However, in addition to the center bond portions 32 and 52, the bone fragment portions 31 and 51 are provided at both ends thereof. The structure which comprises a pair of side bond part connected by this may be sufficient.

  (D) In the above embodiment, the vehicle interior side wall corresponding portion 61 and the vehicle exterior side wall corresponding portion 62 are the narrow portions 55. However, a part of the vehicle interior side wall corresponding portion 61 and one of the vehicle exterior side wall corresponding portions 62 are provided. The part may be a wide part 54. Further, a part of the vehicle inner side wall corresponding part 61 or a part of the vehicle outer side wall corresponding part 62 may be a wide part 54, or one of the vehicle inner side wall corresponding part 61 and the vehicle outer side wall corresponding part 62. May be the wide portion 54 and the other may be the narrow portion 55. In addition, in the above embodiment, the connecting portion corresponding portion 63 is the narrow portion 55, but a part or all of the connecting portion corresponding portion 63 may be the wide portion 54.

  (E) The inserts 14 and 50 may be obtained through a rolling roller group (not shown) or may be obtained by punching.

  (F) In the above embodiment, the weather strip 4 provided on the periphery of the door opening 3 on the body side corresponding to the (side front) door 2 is embodied, but the rear door, the back door, the luggage door (trunk lid), The present invention can also be applied to a weather strip provided on the opening periphery of another door such as a roof door (sliding roof panel).

  (G) In the above embodiment, the trim portion 5 is made of solid rubber and the seal portion 6 is made of sponge rubber. However, both may be made of the same material. Moreover, you may comprise the trim part 5 by fine foaming rubber | gum. Furthermore, although EPDM is exemplified as the rubber material, other rubber materials such as IR (isoprene rubber) and CR (chloroprene rubber) may be used. Furthermore, as the polymer material, in addition to the rubber material, an olefin-based thermoplastic elastomer or a resin material such as soft PVC can be used.

  (H) In the above embodiment, the weather strip 4 is attached over substantially the entire circumference except for the lower part of the peripheral edge of the door opening 3, but may be attached over the entire circumference. Further, it may not necessarily be the entire circumference or almost the entire circumference, and may be a weather strip that is partially attached, for example.

It is sectional drawing which shows a weather strip. It is a perspective view which shows a motor vehicle. It is a fragmentary perspective view which shows the insert after a bending process. (A) is the JJ sectional view taken on the line of FIG. 3, (b) is the KK sectional view taken on the line of FIG. It is a fragmentary perspective view which shows the insert before a bending process. It is a fragmentary top view which shows the insert before a bending process. It is a fragmentary perspective view which shows the insert after the bending process in another embodiment. It is a fragmentary perspective view which shows the insert before the bending process in another embodiment. It is a fragmentary top view which shows the insert before the bending process in another embodiment. It is a fragmentary top view which shows the insert after the bending process in a prior art. It is a fragmentary perspective view which shows the insert after the bending process in a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Automobile, 2 ... Door, 3 ... Door opening, 4 ... Weather strip, 5 ... Trim part, 6 ... Seal part, 11 ... Car inner side wall, 12 ... Car outer side wall, 13 ... Connection part, 14, 50 ... Insert, 31, 51 ... bone fragment, 32, 52 ... center bond, 33, 53 ... ridge, 41, 61 ... vehicle interior side wall corresponding portion, 42, 62 ... vehicle exterior side wall corresponding portion, 43, 63 ... Connection part corresponding part, 44, 45, 64, 65 ... curved part, 54 ... wide part, 55 ... narrow part.

Claims (6)

A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone pieces disposed substantially parallel to each other, in the connecting portion, and With a bond part that connects each bone fragment part,
Each bone fragment part is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment part,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The weather strip according to claim 1, wherein the thickness of the other part of the insert is less than the thickness of the two curved portions. A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone fragment portions disposed substantially parallel to each other, and in the connection portion, With a bond part that connects each bone fragment part,
Each bone fragment is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The weather strip according to claim 1, wherein the bone fragment portion includes at least a wide portion and a narrow portion narrower than the wide portion, and at least the two curved portions are the wide portions. A trim portion having a substantially U-shaped cross section, which is held by a flange at the periphery of the door opening of the vehicle, and includes a connecting portion that connects the vehicle inner side wall, the vehicle outer side wall, and both side walls;
A projecting part from the trim part, and having a hollow seal part against which the periphery of the door is pressed when the door is closed;
A metal insert is embedded in the trim portion along a longitudinal direction thereof, and the insert is located in a plurality of strip-shaped bone pieces disposed substantially parallel to each other, in the connecting portion, and With a bond part that connects each bone fragment part,
Each bone fragment part is a weather strip formed by bending a flat plate to form a ridge extending along the longitudinal direction of each bone fragment part,
The bone fragment portion includes a vehicle inner side wall corresponding portion corresponding to the vehicle inner side wall, a vehicle outer side wall corresponding portion corresponding to the vehicle outer side wall, and a connecting portion corresponding portion corresponding to the connecting portion. In addition to forming a letter shape, the connecting part of the vehicle inner side wall corresponding part and the connecting part corresponding part and the connecting part of the vehicle outer side wall corresponding part and the connecting part corresponding part are both curved parts,
The bone fragment portion includes at least a wide portion and a narrow portion narrower than the wide portion, and at least both the curved portions are the wide portions, and compared to the thickness of the curved portions of the insert. A weather strip characterized in that the thickness of other portions excluding the two curved portions is reduced.   4. The weather strip according to claim 1, wherein the thickness of the other portions excluding the both curved portions is made thinner by 0.05 mm or more than the thickness of the both curved portions.   The weather strip according to claim 2 or 3, wherein a ratio of a width of the narrow portion to a width of the wide portion is set to 0.6 or more and 0.85 or less. The weather strip according to any one of claims 1 to 5, wherein at least one tip of the vehicle inner side wall corresponding part and the vehicle outer side wall corresponding part is cut out at predetermined intervals.

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