JP2503213Y2 - Weather strip - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a weather strip that improves accuracy in manufacturing and facilitates assembly to a vehicle body.

<Prior Art> Conventional weather strips to be mounted around the body opening, door, glass, etc. of automobiles are manufactured by extrusion molding rubber, plastic, etc., and attached to the object. A long strip member having a base portion and a seal portion integrally connected to the base portion, the shape and dimensions of which are partially changed in the longitudinal direction according to the shape of the object to be mounted and the required function.

<Problems to be Solved by the Invention> In the above conventional weather strip, it is relatively easy to identify a portion whose shape / dimension is significantly different from other unchanged portions, but it is possible to identify it gently. It is difficult to accurately grasp both the start and end points of the change in the changing part. The weather strip performs cutting, punching for air vent holes, and finishing after extrusion molding, but if you do not accurately know the starting point and ending point of the change in cross-sectional shape, you can improve the processing accuracy of these. I can't let you do it. Also, when attaching to a body such as a body, it is necessary to match the corresponding points of the body and the weather strip, so extra time is needed to accurately grasp the start point and end point of the change. There is a problem to say.

Some weather strips have the manufacturer's name, date of manufacture, etc. stamped on them regardless of the start and end points of the change, but this does not give any convenience to the above work. .

An object of the present invention is to provide a weather strip that solves the above problems.

<Means for Solving the Problems> Description will be made with reference to the drawings. The present invention is an extrusion molded weather strip having a mounting base portion 1a and a seal portion 1b,
An intermediate gradual change section whose shape and dimensions gradually change is provided between the first predetermined cross-section shape section and the second predetermined cross-section shape section in the longitudinal direction, and the intermediate gradual change section on the surface of the weather strip is provided. The reference concave portion 6 is provided at the start point and the end point.

<Operation> Since the reference strip 6 is provided on the weather strip 1 at the point where the shape / dimension changes, erroneous operation is eliminated in cutting / perforating the air vent hole / finishing. False manufacturing is reduced and yield is improved. In addition, when the body 5 or the like is attached to the attachment target, it becomes easy to align the reference concave portion 6 with the corresponding position of the attachment target, and the working time is shortened and the finish is good.

<Embodiment> 1 is a weather strip, 1a is a mounting base made of an opening trim, 1b and 1b are lip-shaped seals integrally formed with the mounting base 1a, and 6 and 6 are shapes and dimensions start to change. And the reference concave portion provided at the end position. Reference recess 6
When extruding by the extruder 2 as shown in FIG. 4, the surface of the weather strip is controlled by controlling the stamper 4 together with the control of the variable die 2a of the extruder by the command stored in the computer controller 3. It is possible to accurately and easily provide the concave portion 6 on the upper side by engraving and by vulcanizing by the vulcanizing device 7 after engraving.

<Effects of the Invention> The present invention is configured as described above.
By using the previously formed recess 6 as a reference, erroneous operations at the time of cutting, punching for air vent holes, and finishing are eliminated, erroneous manufacturing is reduced, and yield is improved. Also, when the body 5 or the like is mounted on the mounting target, the reference concave portion 6 can be easily aligned with the corresponding position of the mounting target, for example, the position D where the shape of the weather strip 1 changes in FIG. The work time is shortened and the finish is good.

[Brief description of drawings]

1 is a perspective view showing an embodiment of a weather strip according to the present invention, and FIG.
FIG. 2 is a cross-sectional view of a main part of the weather strip shown in FIG. 1, FIG. 3 is a side view of an automobile, and FIG. 4 is a schematic plan view of a weather strip manufacturing facility. 1 ... Weather strip 1a ... Mounting base 1b ... Seal part 2 ... Extruder 2a ... Variable mouthpiece 3 ... Computer controller 4 ... Stamping machine 5 ... Body 6 ... Reference recess 7 ...... Vulcanizing equipment

Claims (1)

(57) [Scope of utility model registration request] 1. An extrusion molding weather strip having a mounting base (1a) and a sealing portion (1b), wherein the shape and dimensions are from the first predetermined sectional shape section to the second predetermined sectional shape section in the longitudinal direction. An intermediate gradual change section that gradually changes
A weather strip having reference recesses (6) at the start and end points of the intermediate gradual change section on the surface of the weather strip.