JPS6395899U - - Google Patents

Description

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

第１図は本考案に係るクツシヨンパツドの実施
例を示す斜視図、第２図及び第３図は第１図の
―線及び―線に沿う拡大断面図、第４図は
同実施例におけるばね受け材の一部を示す斜視図
、第５図はクツシヨンパツドの製造過程を示す断
面図、第６図及び第７図は本考案の第２及び第３
実施例を示す断面図、第８図は従来のクツシヨン
パツドを示す斜視図、第９図は第８図の―線
に沿う拡大断面図である。 １０…ばね、１２…ばね受け材、１２Ｂ…幅方
向両端部、１４…上型、１６…下型、１８…発泡
樹脂部材、２０…クツシヨンパツド、２０Ａ…サ
イドサポート部、２２，２４…凹所。 Fig. 1 is a perspective view showing an embodiment of the cushion pad according to the present invention, Figs. 2 and 3 are enlarged sectional views taken along lines - and - in Fig. 1, and Fig. 4 is a spring receiver in the same embodiment. FIG. 5 is a cross-sectional view showing the manufacturing process of the cushion pad, and FIGS. 6 and 7 are the second and third parts of the invention.
FIG. 8 is a perspective view showing a conventional cushion pad, and FIG. 9 is an enlarged sectional view taken along line - in FIG. 8. DESCRIPTION OF SYMBOLS 10... Spring, 12... Spring receiving material, 12B... Width direction both ends, 14... Upper mold, 16... Lower mold, 18... Foamed resin member, 20... Cushion pad, 20A... Side support part, 22, 24... Recess.

Claims (1)

【実用新案登録請求の範囲】 (1) 予め所望形状に形成された、硬く、且つ、
弾性を有する薄板からなり、シートクツシヨンに
おけるばね上に係合されるばね受け材と、このば
ね受け材を発泡成形型の上型に取付け、下型に合
成発泡樹脂の原液を注入して発泡され、前記ばね
受け材と一体に形成された発泡樹脂部材と、を有
してなり前記ばね受け材の、前記発泡樹脂部材の
上面に対する距離は、比較的に硬度を要する個所
で、他の一般部よりも小さくされたシートのクツ
シヨンパツド。 (2) 前記ばね受け材は、前記比較的硬度を要す
る個所においては、前記発泡樹脂部材中にインサ
ートされ、且つ、他の一般部においては、前記発
泡樹脂部材の下側に露出されてなる実用新案登録
請求の範囲第１項記載のシートのクツシヨンパツ
ド。 (3) 前記ばね受け材のシート幅方向両端は、下
向き、且つ、シート幅方向中央側に折曲げられ、
前記ばねを保持する枠線が係合される凹所が形成
されてなる実用新案登録請求の範囲第１項又は第
２項記載のシートのクツシヨンパツド。 (4) 前記凹所は、下型に対してアンダーカツト
を形成し、且つ、前記発泡樹脂部材は該凹所にも
充満されてなる実用新案登録請求の範囲第３項記
載のシートのクツシヨンパツド。[Claims for Utility Model Registration] (1) Pre-formed in a desired shape, hard, and
A spring receiving material is made of a thin elastic plate and is engaged with the spring in the seat cushion, and this spring receiving material is attached to the upper mold of a foaming mold, and the synthetic foam resin stock solution is injected into the lower mold to form foam. and a foamed resin member integrally formed with the spring receiving material. The cushion pad of the seat is smaller than the section. (2) The spring receiving material is inserted into the foamed resin member in the portions requiring relatively hardness, and is exposed below the foamed resin member in other general areas. A cushion pad for a seat according to claim 1 of patent registration. (3) both ends of the spring receiving material in the sheet width direction are bent downward and toward the center in the sheet width direction;
A cushion pad for a seat according to claim 1 or 2, wherein a recess is formed in which a frame line for holding the spring is engaged. (4) The seat cushion pad according to claim 3, wherein the recess forms an undercut with respect to the lower mold, and the foamed resin member also fills the recess.