JPS60145182A - Skin with bead flange and attachment of bead flange - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a skin structure for attaching a bead in an automobile seat and a method for attaching the bead.

[Prior art] A bead used in a conventional automobile seat has a head with a circular cross section and mounting legs that protrude in the direction of its outer circumference, and is used for the joining part of each constituent piece of the skin divided into a plurality of parts. This was common. This is shown in FIGS. 1 and 2.

Figure 1 shows a general automobile seat, with skin component A.
, H has a bead edge C sandwiched between the blades.

This structure is clearly shown in Figure 2, as shown in the skin components A and H.
The folded part formed at the tip of the holder and the mounting leg part are overlapped and sewn by machine. . Note that C' is a hard core material such as wire. By the way, in such a conventional method, the bead can only be used for the part where the constituent pieces of the epidermis are joined together, so it cannot be used for the flat part of the epidermis.
It is not possible to freely display the decorative functions of 1.

In addition, from this point of view, as shown in FIGS. 3 and 4, it is also possible to use a bead with a circular cross section and no legs between the approximately inverted U-shaped electrodes E. F is sandwiched and pressed against the skin H placed on another electrode G, and a high frequency current is passed between both electrodes to melt the contact between the bead F and the skin H.
A method of welding the bead F to the epidermis H has been proposed.

However, in this method, two concave shapes J, which are electrode marks, are inevitably generated on the surface of the epidermis H and along both sides of the edge F. However, since this concave J is intended to provide a space between the outer skin H and the bead F, if the car seat is used for a long time, dust and dirt will get stuck in the concave J.
This band K of dust etc. appears along the edge F over the entire automobile seat. If such a state is left untreated, it will make the occupants feel unclean and completely lack the decorative qualities required for interior parts of automobiles. Moreover, once such a band K has formed, it is difficult to remove it by cleaning, and if cleaning is required frequently, it will be extremely inconvenient for the occupants.

[Object of the Invention] The purpose of the present invention is to solve the problems of the prior art. To provide a skin with a bead that can be fixed in any desired shape by sewing and that does not form grooves where dust etc. can accumulate, and a method for attaching the bead to the skin. .

[Structure of the Invention] The beaded skin of the present invention is characterized in that the contact portion between the bead and the skin, which has a substantially circular cross section, is sewn together so that the seam is not exposed to the outside.

The bead attachment method of the present invention, when suturing the bead to the epidermis, includes a step of molding a bead with a substantially circular cross section and sending it out in a direction opposite to the feeding direction of the epidermis, and a step of feeding the bead in a direction opposite to the feeding direction of the epidermis, and is brought into contact with the outer skin, and at the point of contact, the bead is reversed to match the sending direction of the [ζ] edge with the sending direction of the outer skin, and this occurs when the five edges are reversed. 4) The method includes a step of suturing the bent portion and the epidermis.

[Embodiments of the invention] The first embodiment will be explained with reference to FIGS. 5 to 10.

In the skin structure of this embodiment, as shown in FIGS. 5 and 6, a bead 2 is fixed to the . That is, the bead 2 is also provided at locations other than the joint portion. The bead 2 is not only rectangular and straight, but also free-flowing curves.
It is expressed. In addition, the reference numeral 3 is a conventional bead, as shown in FIG. Bead edge 2
As shown in FIG. 6, it is made by IJ and is a tape-shaped piece that is bent so that its cross section becomes approximately circular. The free ends 4, 5 are bent inwardly into this circular part and folded into contact,
A joint portion 9 is formed. The bead 2 is placed on the epidermis l so that the joint 6 faces each other, and is fastened to the epidermis I near the base of the joint 6. As a result, the sewing thread 7 is not visible from the outside and is hidden stitched.

The method for forming such a skin structure is shown in Figures 7 to 10.
It is shown in the figure. FIG. 7 shows the main parts of the sewing machine and an outline of the process. A trumpet tube 9 is inserted into the guide mounting bracket 8 of the sewing machine. The cloth tape 10 fed in the direction of arrow A from one end of the wrapper tube 9 leaves the joint 6 on the side opposite to the epidermis l (
It is sent out in the direction of the arrow as a bead 11 facing in the opposite direction (upward in the figure). This beading edge 11 is inverted at the tip of the guide 12 fixed to the bracket 8, and the joint portion 6 is brought into contact with the epidermis 1 so as to face each other, thereby forming a normal beading edge 2.

During this reversal, the welt 2 is sewn onto the skin l using the sewing thread 7 using the sewing machine button 13. Since the skin 1 is fed in the direction of the arrow, the welt 2 is sewn continuously. FIG. 8 explains the changes in the trumpet tube 9 and the In tape 1O. Rampa? 69 is a plate material bent into a cylindrical shape. Its end is a large opening 14 with a substantially elliptical cross section.

The bent ends 15, 15 of the trumpet tube 9 are gradually bent greatly so as to overlap each other, and in the vicinity of the protrusion [116], which forms a small opening, are bent greatly inward to form a protruding upright guide 17. (See Figure 9).

As the rlj tape 10 approaches the outlet 16, its free end 4.5 is gradually bent by the upright guide 17.
When it exits the exit 116, it becomes the above-mentioned inverted section 11a.

FIG. 10 shows the process of performing hidden stitching while reversing the reversing portion 11a.

The reversing part 11a sent out in the direction of the arrow exit is guided by the guide 12 (
(not shown in FIG. 10), the tip is reversed in the two directions of the arrows, and at this time a bent portion 18 is formed.

The tip portions 19 and 19 near the bent portion 18 are sewn using the hook 13, for example, alternately with a zigzag stitch. Then, at the moment of , as the epidermis l is moved in the convex direction of the arrow, this seam is completely reversed and taken into the inside of the bead 2, which assumes its normal shape, and is hidden. . therefore,
The seams can no longer be seen from the outside.

According to the embodiment, the bead 2 is sewn to the outer skin 1 by means of a hidden Lm. Therefore, the seams are not visible from the outside and do not spoil the appearance. In addition, it is not limited to the conventional haki joint part, but flat J of one epidermis! The beading edge 2 can be sewn to one part, and any shape can be freely expressed using a sewing machine. In addition, there is no formation of molding marks such as conventional welding marks, and there is no need for dust to build up in the future, causing an unsanitary feeling or bothersome cleaning.

Furthermore, since it is made of cloth tape and has a soft feel, and there is no need for a hard core material, it prevents the painful situation that occurs when it comes into contact with the human body, which is the case with conventional methods. be able to.

A second embodiment is shown in FIGS. 11 and 12.

In this example, in contrast to the method of the first example, a double bead is formed, and 31 changes in shape and color scheme are added. That is, 1. similar to the first embodiment. For edge 2, Q
Place the trumpet tube 20 on the opposite side with L l 3 in between.
A tape of a different color or material from the cloth tape 10 is fed in as in the first embodiment, and is fed in the direction of the arrow H while being shaped by the wrapper tube 20. This forming tape 21 is placed under the reversible part 11a and overlapped under the gold 113, and when the reversible part 11a is reversed, the reversible parts 11a, r
p tape 21. The epidermis l is sutured together. As a result, as shown in FIG. 12, an excellent decorative effect can be obtained in terms of color scheme, shape, etc.

In the third embodiment shown in FIG. 13, the shape of the joint portion 6 is changed, and the free ends 4 and 5 are folded together to form an overlapping portion 22. This ensures that the shape is maintained during reversal.

In addition, in each of the examples, the bead was made by molding a cloth tape, but in advance, a synthetic resin was extruded to form a circular cross section (solid can also be used), and this was sewn together. You can also do that.

Furthermore, when forming a cloth tape into a bead, a string-like material made of synthetic resin or the like can be supplied as a core material during the molding process, thereby making it possible to form a bead with a core material.

[Effects of the Invention] According to the skin structure of the present invention, the flat 111 portion of the surface of the skin has a bead with an arbitrary and freely shaped bead, and the seams are not visible due to hidden seams, and there are no attachment marks. Since it does not have a beaded edge, the decorative effect of the bead edge can be freely exhibited. Second, even after long-term use, there will be no noticeable dust-filled grooves, and the product will remain in beautiful condition. Further, according to the method of the present invention, the bead can be formed in any shape without restrictions on any location on the skin surface of the automobile seat. Moreover, no attachment marks are left on the surface.

[Brief explanation of drawings]

Figure 1 is a perspective view of the conventional example, and MrJ2 diagram is II of Figure 1.
-11 line cross-sectional view, Figure 3 shows another conventional manufacturing method.
4 is a partial sectional view showing the state of the conventional example shown in FIG. 3 after molding, FIG. 5 is a perspective view of the embodiment according to the present invention, and FIG. 6 is a partial sectional view of the conventional example shown in FIG. 7 is a sectional view showing the manufacturing method of the first embodiment, FIG. 8 is an explanatory diagram of forming an I-poor edge from a cloth tape using a trumpet tube, and FIG. 9 is a sectional view taken along the -Vl line. Fig. 10 is a perspective view explaining the process of hidden stitching, Fig. 11 is a sectional view showing the manufacturing method of the second embodiment, Fig. 12 is Fig. 6 of the second embodiment. 13 is a sectional view corresponding to FIG. 9 of the third embodiment. 1... Epidermis, 2, 11... Welt edge, 3... Conventional bead edge, 4.5... Free end, 6... Joint portion, 7... Sewing thread, 8... Bracket, 9.20...Trumpet pipe, 1
0.21...cloth tape, lla...inverted part, 12.
... Kite, 13... Liu, 14... Kai, 15...
・End part, 16... Exit, 17... Standing kite, 18
...Bent part, 19...Tip part Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 6

Claims (1)

[Claims] 1. In an automatic Φ round seat I4 in which the bead is sewn to the outer skin, the joint portion between the bead, which has a substantially circular cross section, and the outer skin is sewn so that the seam is not exposed to the outside. The epidermis is characterized by the fact that it is shaped like a ball. 2. In the method of suturing the bead to the outer skin of an automobile seat, a bead with an approximately circular cross section is formed, and then the bead is fed out in a direction opposite to the direction in which the outer skin is fed, and after forming. contacting the bead with the epidermis, and at the point of contact,
The method is characterized by comprising the steps of: reversing the bead so that the feeding direction of the bead coincides with the feeding direction of the skin; and suturing the skin to a bent portion that occurs when the bead is reversed. How to install the bead.