JPH10117895A - Beading for seat cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To always turn the top end of a sewing tab part for beading toward either the main body side of cover or gusset side and to prevent the beading from meandering with respect to the beading for a seat cover. SOLUTION: The beading for a seat cover is provided with a main body 13 of beading exposed at a corner part 18 while being positioned at the corner part 18 of a seat pad 17 in the state of covering the seat pad 17 with a seat cover 5 and a sewing tab part 14 integrally formed along the main body 13 of beading so as to be sewn with the seat cover 5. At the sewing tab part 14, there are a top end part 14A and a top end curving part 14B, the top end part 14A is made adjacent to the main body 13 of beading and the top end curving part 14B is curved almost perpendicularly to the base end part 14A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bead for a seat cover to be put on a seat pad of a vehicle seat.

[0002]

2. Description of the Related Art FIG. 2 shows a conventional seat cover bead and a sewn state with a seat cover. Jade 12 is
A hollow bead body 13 extending in a hollow pipe shape and a flat band-shaped seam allowance portion 14 are provided. The seam allowance portion 14 is integrated with the bead body 13. The bead 12 is manufactured by extrusion of a soft synthetic resin or the like, and a ball core 15 made of an elastic material is inserted into a hollow portion of the bead body 13. The seat cover 5 forming the surface of the seat is configured by connecting the cover body 6 and the gusset 10 by sewing or the like. Then, the bead 12 is interposed between the end of the cover main body 6 and the end of the gusset 10 and sewn with the sewing thread 16, and the sewn seat cover 5 is turned over and covered on the seat pad 17. The cover body 6 is a skin 7
A wadding 8 is interposed between the lining 9 and the lining 9, and the gusset 10 is constituted only by the skin. The bead body 13 is exposed at the corner, and the seam between the cover body 6 and the gusset 10 is not exposed to the outside due to the presence of the bead body 13.

When the seat cover 5 is put on the seat pad 17, the sewn portion of the sewing thread 16 is located on the upper surface of the seat pad 17 as shown in FIG. 2 (b), or as shown in FIG. 2 (c). Or on the side of the seat pad 17. In this way, the position of the sewn portion is not determined, and the bead body 13 is directed upward or sideways at the corner portion 18 of the seat pad 17, in other words, the bead body 13 is in a meandering and wavy state. , Appearance is not good. Such meandering of the bead body 13 is promoted by the seated person re-seating or shifting his / her waist, further deteriorating the appearance. In addition, the sewn portion is formed by superimposing four members, and as shown in FIG. 2C, when the sewn portion faces the direction of the gusset 10, the side surface of the seat pad 17 is It protrudes sideways at the stitching point, and looks bad.

[0004]

SUMMARY OF THE INVENTION In the present invention, in a bead for a seat cover, the leading end of a seam portion of the bead always faces only one of the cover body side and the gusset side, and the bead does not meander. The task is to do so.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a seat pad.
(17) With the seat cover (5) covered on the seat pad (1
The bead body (13), which is located at the corner (18) of the (7) and is exposed at the corner (18), is integrally formed along the bead body (13) and is sewn to the seat cover (5). In the seat cover bead provided with the seam allowance portion (14), the seam allowance portion (14) has a base end (14A) and a distal end bent portion (14B).
A) is adjacent to the bead body (13), and the tip bend (14)
A first configuration is that B) is bent substantially at right angles to the base end (14A). According to the present invention, in the first configuration, the base end portion (14A) of the sewing allowance portion (14) is a portion to be sewn to the cover body (6) and the gusset portion (10) of the seat cover (5). The bent part (14B) of the substitute part (14) is the cover body (6).
The second configuration is that it is located parallel to only one of the gusset and the gusset (10).

[0006]

FIG. 1 shows an embodiment of a bead for a seat cover according to the present invention. In the description of FIG. 1, the same members as those in FIG. 2 are denoted by the same reference numerals. Fig. 1 (d)
As shown in the figure, the seat 1 has a seat cushion (seat portion).
2 and a seat back (back) 3, and a seat cover 5 is put on the seat cushion 2 and the seat back 3. The upper surface of the seat cushion 2 and the front and upper surfaces of the seat back 3 are covered by a cover body 6 of the seat cover 5, and other portions of the seat 1 are covered by a gusset 10 of the seat cover 5. As in the case of the conventional example, the cover body 6 has a wadding 8 formed of a polyurethane foam or the like interposed between the skin 7 and the lining 9, and the gusset 10 is constituted only by the skin. . Further, the wadding 8 is not interposed at the distal end of the sewn portion, and the thickness is gradually reduced near the sewn portion toward the sewn portion.
The seam between the cover body 6 and the gusset 10 is not exposed due to the presence of the bead 12.

The bead 12 is made of a flexible material, and the bead body 13 and the seam 14 are integrally formed by extruding a synthetic resin such as soft vinyl chloride. As shown in FIG. 1, a bead 12 for a seat cover according to an embodiment of the present invention has a bead body 13 having a solid cylindrical shape, and a seam allowance portion 14 has a base end portion 14A and a bent end portion 14B. The base end 14A of the seam allowance 14 is adjacent to the bead body 13 and the base end
The tip bending portion 14B is bent at a substantially right angle with respect to 14A so as to have an L-shaped cross section along the longitudinal direction. Bead body 13
The base portion 14A is between the and the bent portion, and the base portion 14A is a portion to be sewn. The tip bending portion 14B is located ahead of the bent portion, and the tip bending portion 14B is a portion positioned in parallel with only one of the cover body 6 and the gusset portion 10. In addition, as in the conventional example, the ball body 13 may have an elastic material core inserted into the hollow hole, or may be left as it is.

As shown in FIG. 1C, between the end of the cover body 6 and the end of the gusset 10, the bead body 13 of the bead 12 and the base end 14A of the seam allowance 14 are parallel. And the base end 14 of the seam allowance 14
The portions arranged in parallel around A are sewn with the sewing thread 16. At this time, the skin 7 and the lining 9 at the tip of the cover body 6 are bent at a substantially right angle along the tip bending portion 14B of the seam portion 14, and the tip of the gusset 10 is at Also extends to the left. When the seat cover 5 is turned over after sewing, the back side of the gusset 10 is bent toward the tip of the gusset 10, and the cover body 6 is bent so as to be parallel to the tip bending portion 14B of the seam allowance 14 of the bead 12. As a result, the tip of the cover body 6 is bent toward the back side of the cover body 6.

Next, as shown in FIG. 1B, the seat cover 5 is put on the seat pad 17. The bent portion of the gusset 10, the gusset 10 and the base end 14A of the seam 14 of the bead 12 are parallel to each other, and the tip bent portion 14B of the seam 14 of the bead 12 and the cover body 6 The bent portion and the cover body 6 are parallel to each other. Therefore, the angle formed by the connecting portion between the “bent portion of the gusset portion 10 and the gusset portion 10” and the “bent end portion 14B of the bead 12, the bent portion of the cover body 6, and the cover body 6” is substantially a right angle. .
This connecting portion approximates the shape of the corner portion 18 of the seat pad 17, and the seat cover 5 is attached to the seat pad 17.
The connector fits snugly into the corners 18. Since it fits in this manner, the work of putting the seat cover 5 on the seat pad 17 is easy, and the appearance is good without the bead body 13 meandering.

After the seat cover 5 is put on, the direction of the bead body 13 is determined because the tip bent portion 14B of the bead 12 is sandwiched between the cover body 6 and the corner of the seat pad 17. Even if the occupant re-seats or shifts his / her waist, and the cover body 6 moves outward (toward the gusset 10), the angle formed by the connecting portion between the cover body 6 and the gusset 10 is maintained at substantially a right angle. When the occupant removes the external force (the orientation of the bead body 13 does not change), the seat cover 5 gradually returns to the state shown in FIG. Further, even if the gusset 10 moves in the direction of the cover body 6, it only moves to the left from the state of FIG.
When the external force is removed by the occupant, the seat cover 5 gradually returns to the state shown in FIG.

[0011]

According to the present invention, in the bead for the seat cover, the seam has a base end and a bent end, the base end is adjacent to the bead body, and the bent end is the base. It is bent substantially at right angles to the end. The base end of the seam is sewn to the cover body and the gusset of the seat cover, and the bent end portion of the seam is used so as to be positioned parallel to only one of the cover body and the gusset. You. Therefore, when the seat cover is put on the seat pad, the connecting portion including the bead is fitted to the corner of the seat pad, and the work of putting the seat cover on the seat pad is easy, and the bead body does not meander. Appearance is good. Also,
The bent end portion of the seam allowance is sandwiched between only one of the cover body and the gusset and the seat pad, and the position of the bead can be maintained in a fixed state.

[Brief description of the drawings]

FIG. 1A is a perspective view of a seat cover bead according to an embodiment of the present invention, a part of which is shown in cross section. FIG. FIG. 2 is a partial cross-sectional view showing a state of being covered and viewed from a direction of a line AA in FIG.
FIG. 1C is a partial sectional view showing a state immediately after sewing of the seat cover, and FIG. 1D is a perspective view of the seat.

FIG. 2 (a) is a partial sectional view showing a state immediately after sewing a seat cover using a conventional bead, and FIG. 2 (b) and FIG.
2C is a partial cross-sectional view showing a state where the seat cover is put on the seat pad, and FIG. 2D is a perspective view of a seat cover bead, and a part is shown in cross section.

[Explanation of symbols]

 5 Seat cover 6 Cover body 10 Town 12 Ball 13 Ball body 14 Sewing part 14A Base end 14B Tip bending part 17 Seat pad 18 Corner

Claims (2)

[Claims] 1. A seat body which is located at a corner of a seat pad in a state where a seat cover is placed on the seat pad, and is integrally formed along with the seat body, and is sewn to the seat cover. In the seat cover bead provided with the seam portion, the seam allowance portion has a base end and a tip bent portion, the base end is adjacent to the bead body, and the tip bent portion is the base end. A bead for a seat cover, which is bent at substantially a right angle with respect to 2. A base end portion of the seam allowance portion is a portion to be stitched to the cover body and the gusset of the seat cover, and a distal end bent portion of the seam allowance portion is parallel to only one of the cover body and the gusset portion. The bead for a seat cover according to claim 1, which is located.