JPH0484395U - - Google Patents
Info
- Publication number
- JPH0484395U JPH0484395U JP13068590U JP13068590U JPH0484395U JP H0484395 U JPH0484395 U JP H0484395U JP 13068590 U JP13068590 U JP 13068590U JP 13068590 U JP13068590 U JP 13068590U JP H0484395 U JPH0484395 U JP H0484395U
- Authority
- JP
- Japan
- Prior art keywords
- circumscribed circle
- filament
- reinforcing material
- tires
- satisfies
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000012779 reinforcing material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ropes Or Cables (AREA)
Description
第１図は本考案の一実施例のタイヤ用補強材を
示し、イは断面図、ロは正面図、第２図は他の実
施例を示し、イは断面図、ロは正面図、ハは平面
図、第３図は本考案品と比較品の比較を示す荷重
−伸び曲線図、第４図は従来のスチールコードを
示し、イは断面図、ロは正面図である。
１，２……タイヤ補強材、３……スチールコー
ド。
Fig. 1 shows a reinforcing material for a tire according to one embodiment of the present invention, A is a cross-sectional view, B is a front view, and Fig. 2 is another embodiment, A is a cross-sectional view, B is a front view, and H is a cross-sectional view. is a plan view, FIG. 3 is a load-elongation curve diagram showing a comparison between the product of the present invention and a comparative product, FIG. 4 is a conventional steel cord, A is a cross-sectional view, and B is a front view. 1, 2...Tire reinforcing material, 3...Steel cord.
Claims (1)
ルフイラメントよりなり、上記スチールフイラメ
ントが下記式を満足する略スパイラル形状を呈し
、かつ引張強さ３００Kgｆ／mm2以上、破断伸度
４％以下を有することを特徴とするタイヤ用補強
材。 Ｐ＝８ｄ〜１８ｄ，Ｓ＝１．２Ｓ１〜２．２
Ｓ１ 〔ただし Ｐ ：スパイラルピツチ Ｓ ：スパイラル外接円の面積 Ｓ１：フイラメント断面の面積 ｄ ：フイラメント径〕 (2) 略スパイラル形状の外接円が下記式を満足
する楕円形状である請求項１記載のタイヤ用補強
材。 ａ／ｂ＝０．４５〜０．９０ 〔ただし ａ ：外接円の短径 ｂ ：外接円の長径〕[Claims for Utility Model Registration] (1) Consisting of a single steel filament with a wire diameter of 0.25 to 0.40 mm, the steel filament exhibits a substantially spiral shape that satisfies the following formula, and has a tensile strength of 300 Kgf/ A reinforcing material for tires, characterized in that it has an elongation at break of 4% or less. P=8d~18d, S= 1.2S1 ~2.2
S1 [where P: spiral pitch S: area of spiral circumscribed circle S1 : area of filament cross section d: filament diameter] (2) Claim 1, wherein the circumscribed circle of the substantially spiral shape is an ellipse that satisfies the following formula. reinforcing material for tires. a/b=0.45 to 0.90 [However, a: Minor axis of the circumscribed circle b: Major axis of the circumscribed circle]
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13068590U JP2518730Y2 (en) | 1990-11-30 | 1990-11-30 | Tire reinforcement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13068590U JP2518730Y2 (en) | 1990-11-30 | 1990-11-30 | Tire reinforcement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484395U true JPH0484395U (en) | 1992-07-22 |
| JP2518730Y2 JP2518730Y2 (en) | 1996-11-27 |
Family
ID=31878002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13068590U Expired - Fee Related JP2518730Y2 (en) | 1990-11-30 | 1990-11-30 | Tire reinforcement |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2518730Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255313A (en) * | 1993-03-09 | 1994-09-13 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JPH06255312A (en) * | 1993-03-09 | 1994-09-13 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JP2002266265A (en) * | 2001-02-28 | 2002-09-18 | Kanai Hiroaki | Steel filament for tire reinforcement and its wound product |
| JP2004351944A (en) * | 2003-05-26 | 2004-12-16 | Toyo Tire & Rubber Co Ltd | Pneumatic radial tire |
| JP2010077589A (en) * | 1997-11-27 | 2010-04-08 | Bekaert Sa:Nv | Steel cord with waved element |
-
1990
- 1990-11-30 JP JP13068590U patent/JP2518730Y2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255313A (en) * | 1993-03-09 | 1994-09-13 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JPH06255312A (en) * | 1993-03-09 | 1994-09-13 | Yokohama Rubber Co Ltd:The | Pneumatic radial tire |
| JP2010077589A (en) * | 1997-11-27 | 2010-04-08 | Bekaert Sa:Nv | Steel cord with waved element |
| JP2002266265A (en) * | 2001-02-28 | 2002-09-18 | Kanai Hiroaki | Steel filament for tire reinforcement and its wound product |
| JP4656743B2 (en) * | 2001-02-28 | 2011-03-23 | 金井 宏彰 | Winding products of steel filament for tire reinforcement |
| JP2004351944A (en) * | 2003-05-26 | 2004-12-16 | Toyo Tire & Rubber Co Ltd | Pneumatic radial tire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2518730Y2 (en) | 1996-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |