JP2001212383A - Pad structure for seat back - Google Patents

Pad structure for seat back

Info

Publication number
JP2001212383A
JP2001212383A JP2000027181A JP2000027181A JP2001212383A JP 2001212383 A JP2001212383 A JP 2001212383A JP 2000027181 A JP2000027181 A JP 2000027181A JP 2000027181 A JP2000027181 A JP 2000027181A JP 2001212383 A JP2001212383 A JP 2001212383A
Authority
JP
Japan
Prior art keywords
pad
seat back
tongue
joint
seat
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.)
Granted
Application number
JP2000027181A
Other languages
Japanese (ja)
Other versions
JP3591631B2 (en
Inventor
Keisuke Osawa
啓介 大澤
Koji Ito
宏司 伊東
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tachi S Co Ltd
Original Assignee
Tachi S Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tachi S Co Ltd filed Critical Tachi S Co Ltd
Priority to JP2000027181A priority Critical patent/JP3591631B2/en
Publication of JP2001212383A publication Critical patent/JP2001212383A/en
Application granted granted Critical
Publication of JP3591631B2 publication Critical patent/JP3591631B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To prevent the external appearance quality of a seat back from being impaired by a protrusion molded by a foaming liquid injected into the joint between upper and lower dies at the injection molding of a pad. SOLUTION: A curve section 10A molded into a curve shape is provided on an outside corner section at the tip of the tongue-like piece section 10 of the pad 1, and a protruded stripe 11 formed by the joint between the upper and lower dies for injection molding is formed on the inside of the curve section 10A.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は自動車用シート(座
席)におけるシートバック(背凭部)を構成する発泡体
(ウレタンフォーム)製のパッド構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pad structure made of a foam (urethane foam) constituting a seat back (backrest) of an automobile seat (seat).

【0002】[0002]

【従来の技術】図5に示す従来の自動車用シートのシー
トバックには、図6に示すようにモールドで射出成形し
た発泡体(ウレタンフォーム)製のパッド(10)(1
2)(13)を袋状に縫製したトリムカバー(2)で被
覆したものがある。
2. Description of the Related Art As shown in FIG. 6, a pad (10) (1) made of a foam (urethane foam) injection-molded with a mold is provided on a seat back of a conventional automobile seat shown in FIG.
2) There is one in which (13) is covered with a trim cover (2) sewn in a bag shape.

【0003】以上のパッドは、着座者の上半身を支持す
る着座部(13)と、この着座部(13)の下辺部を除
く周囲に一体成形してフレーム(30)の外側面を被う
側部(12)と、この側部(12)に沿って一体成形し
てフレーム(30)の後端縁を被う舌状片部(10)と
から構成されている。
The above pad is formed integrally with a seat (13) for supporting the upper body of the seated person except for the lower side of the seat (13) and covers the outer surface of the frame (30). A part (12) and a tongue-shaped piece (10) integrally formed along the side part (12) and covering the rear edge of the frame (30).

【0004】以上のパッドの舌状片部(10)の先端外
側には、図7に示すように射出成形型における上型
(B′)と下型(A′)との合わせ目に注入した発泡液
によって凸条(14)が図8に示すように形成されてい
る。
[0004] As shown in FIG. 7, an injection is made at the joint between the upper mold (B ') and the lower mold (A') in the injection mold outside the tip of the tongue-like piece (10) of the pad. The ridges (14) are formed by the foaming liquid as shown in FIG.

【0005】図7において、図中(10′)は、パッド
の舌状片部成形部、(12′)は同側部成形部、(1
3′)は同着座部成形部、(14′)は上型(B′)と
下型(A′)の合わせ目における舌状片部成形部(1
0′)に臨む個所で、この部分に発泡液が入り込み前記
凸条(14)が形成される。
In FIG. 7, (10 ') is a molded portion of the tongue piece of the pad, (12') is a molded portion of the same side portion, (1).
3 ') is a seating portion forming portion, and (14') is a tongue-like portion forming portion (1) at a joint between the upper die (B ') and the lower die (A').
At the location facing 0 '), the foaming liquid enters into this portion to form the ridge (14).

【0006】[0006]

【発明が解決しようする課題】以上の凸条(14)が外
方に突出しているため、トリムカバー(2)の背面(2
0)側に、図5、図6に示すようにシートバック(S
B)の外観を損なう突起線(24)が現れる。
Since the ridges (14) protrude outward, the rear surface (2) of the trim cover (2) is not provided.
0) side, as shown in FIGS. 5 and 6, the seat back (S
Projection lines (24) that impair the appearance of B) appear.

【0007】そこで、本発明は斯様な従来品の不具合を
除去することを目的とする。
Therefore, an object of the present invention is to eliminate such disadvantages of the conventional product.

【0008】[0008]

【課題を解決するための手段】以上の目的を達成するた
めの本発明は、前記舌状片部の先端における外側の角部
に、湾曲状に成形した湾曲部を設け、該湾曲部における
内側である前記着座部側に、前記上、下型の合わせ目に
よって形成される凸条を設けてなることを特徴とするも
のである。
In order to achieve the above object, according to the present invention, a curved portion formed in a curved shape is provided at an outer corner at the tip of the tongue-shaped portion, and an inner side of the curved portion is provided. The convex portion formed by the joint of the upper and lower dies is provided on the seat portion side.

【0009】以上の構成により、上、下型の合わせ目に
よって形成される凸条が、パッドをトリムカバーで被覆
した際に、トリムカバーに接触することがないため、ト
リムカバーがパッドの凸条によって変形することがな
い。
[0009] With the above configuration, the ridge formed by the joint of the upper and lower molds does not contact the trim cover when the pad is covered with the trim cover. No deformation due to

【0010】[0010]

【発明の実施の形態】以下、本発明の実施の一形態を図
1乃至図4に基づいて説明する。図1、図2は本発明に
係るシートバックのパッド(1)を示し、図中(13)
は着座部、(12)、(12)は側部で、これらは前記
従来品と同一で、側部(12)に一体成形する舌状片部
(10)の先端における外側の角部には、湾曲状に形成
した湾曲部(10A)が形成されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIGS. 1 and 2 show a pad (1) of a seat back according to the present invention.
Is a seating portion, and (12) and (12) are side portions. These are the same as the above-mentioned conventional products, and the outer corner at the tip of the tongue-shaped piece (10) integrally formed with the side portion (12) is provided. And a curved portion (10A) formed in a curved shape.

【0011】この湾曲部(10A)の内側である着座部
(13)側に、図3に示す射出成形型の上、下型(A)
(B)による合わせ目(11′)によって形成される凸
条(11)が形成されている。
The upper and lower dies (A) of the injection mold shown in FIG. 3 are provided on the side of the seat (13) inside the curved portion (10A).
A ridge (11) formed by the seam (11 ') according to (B) is formed.

【0012】上型(B)と下型(A)は、合わせ目(1
1′)が前記湾曲部(10A)の内側に位置するように
形成されている。
The upper mold (B) and the lower mold (A) are joined at the joint (1
1 ') is formed so as to be located inside the curved portion (10A).

【0013】なお、図3において、図中(10A′)
は、パッド(1)の側部(12)に設けた湾曲部(10
A)を成形する湾曲成形部、(10′)は前記舌状片部
(12)を成形する舌状片部成形部、(12′)は同側
部成形部、(13′)は同着座部成形部を各々示す。
In FIG. 3, (10A ') in FIG.
Is a curved portion (10) provided on the side portion (12) of the pad (1).
A) is a curved forming part, (10 ') is a tongue-shaped part forming part for forming the tongue-shaped part (12), (12') is a side part forming part, and (13 ') is a seated part. The respective molded parts are shown.

【0014】斯して、凸条(11)は前述の如く前記パ
ッド(1)の舌状片部(10)における湾曲部(10
A)の内側に形成されている。従って、図4に示すよう
に、袋状に縫製したトリムカバー(2)でフレーム(3
0)付のパッド(1)を被覆した際に、そのトリムカバ
ー(2)の背面部(20)に、前記凸条(11)が全く
接触することがない。
As described above, the ridge (11) has a curved portion (10) in the tongue-shaped piece (10) of the pad (1) as described above.
A) is formed inside. Therefore, as shown in FIG. 4, the frame (3) is trimmed with the trim cover (2) sewn in a bag shape.
When the pad (1) with 0) is covered, the ridge (11) does not contact the rear surface (20) of the trim cover (2) at all.

【0015】[0015]

【発明の効果】本発明によれば、パッドの射出成形時に
形成される凸条が、パッドの舌状片部における湾曲部の
内側に位置しているため、凸条がパッドを被覆するトリ
ムカバーに接触することがない。そのため、前記従来品
の如くパッドに形成された凸条によってシートバックの
外観品質を損なうことがない。
According to the present invention, since the ridge formed during the injection molding of the pad is located inside the curved portion of the tongue-shaped piece of the pad, the rim covers the pad. Never touch. For this reason, the appearance quality of the seat back is not impaired by the ridges formed on the pad as in the conventional product.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明に係るパッドの斜視図である。FIG. 1 is a perspective view of a pad according to the present invention.

【図2】図1のIIーII線断面図である。FIG. 2 is a sectional view taken along line II-II of FIG.

【図3】図2に示すパッドの射出成形型を示す断面図で
ある。
FIG. 3 is a sectional view showing an injection mold of the pad shown in FIG. 2;

【図4】本発明に係るパッドを使用したシートバックの
部分断面図である。
FIG. 4 is a partial sectional view of a seat back using a pad according to the present invention.

【図5】従来のシートバックの斜視図である。FIG. 5 is a perspective view of a conventional seat back.

【図6】図5のVIーVI線断面図である。FIG. 6 is a sectional view taken along line VI-VI of FIG. 5;

【図7】従来のパッド成形用の射出成形型の部分断面図
である。
FIG. 7 is a partial sectional view of a conventional injection molding die for pad molding.

【図8】従来のパッドの部分断面図である。FIG. 8 is a partial sectional view of a conventional pad.

【符号の説明】[Explanation of symbols]

10 舌状片部 10A 湾曲部 11 凸条 12 側部 13 着座部 DESCRIPTION OF SYMBOLS 10 Tongue piece part 10A Curved part 11 Convex line 12 Side part 13 Seating part

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 上、下型からなる射出成形型内に発泡液
を注入して着座部から左右の側部、この側部の先部から
内方に向き合うように舌状片部を一体に射出成形してな
るシートバックの発泡体製パッドにおいて、 前記舌状片部の先端における外側の角部に、湾曲状に成
形した湾曲部を設け、該湾曲部における内側である前記
着座部側に、前記上、下型の合わせ目によって形成され
る凸条を設けてなることを特徴とするシートバックのパ
ッド構造。
1. A foaming liquid is injected into an injection mold comprising upper and lower dies, and a tongue-like piece is integrally formed so as to face inward from a seating portion, left and right side portions, and a tip portion of the side portion. In the foam pad of the seat back formed by injection molding, a curved portion formed into a curved shape is provided at an outer corner at the tip of the tongue-shaped portion, and the curved portion is provided on the inner side of the seat portion. A pad structure for a seat back, characterized in that a ridge formed by a joint between the upper and lower dies is provided.
JP2000027181A 2000-01-31 2000-01-31 Pad structure of seat back Expired - Fee Related JP3591631B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000027181A JP3591631B2 (en) 2000-01-31 2000-01-31 Pad structure of seat back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000027181A JP3591631B2 (en) 2000-01-31 2000-01-31 Pad structure of seat back

Publications (2)

Publication Number Publication Date
JP2001212383A true JP2001212383A (en) 2001-08-07
JP3591631B2 JP3591631B2 (en) 2004-11-24

Family

ID=18552782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000027181A Expired - Fee Related JP3591631B2 (en) 2000-01-31 2000-01-31 Pad structure of seat back

Country Status (1)

Country Link
JP (1) JP3591631B2 (en)

Also Published As

Publication number Publication date
JP3591631B2 (en) 2004-11-24

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