JPS5660704A - Bead wire - Google Patents
Bead wireInfo
- Publication number
- JPS5660704A JPS5660704A JP13621579A JP13621579A JPS5660704A JP S5660704 A JPS5660704 A JP S5660704A JP 13621579 A JP13621579 A JP 13621579A JP 13621579 A JP13621579 A JP 13621579A JP S5660704 A JPS5660704 A JP S5660704A
- Authority
- JP
- Japan
- Prior art keywords
- steel wire
- hard steel
- wire
- cross
- section
- 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.)
- Pending
Links
Landscapes
- Tires In General (AREA)
Abstract
PURPOSE: To prevent an irregular arrangement of a hard steel wire which is a component of a bead wire for a pneumatic tire and to prevent presence of an acutely angled portion on an outer periphery of the bead wire by forming a cross section of a hard steel wire into an elliptic shape.
CONSTITUTION: A bead wire includes a plurality of wound turns of a hard steel wire 1 which has a cross section of an elliptic shape including a pair of upper and lower opposed parallel linear portions 2 and a pair of leftwardly and rightwardly convexted arcuate portions 3. With this elliptic shape in cross section, thickness T of the hard steel wire 1 has a dimension of 40W80% of its width W, and cross sectional area of the bowshaped portions 3a is substantially 10W40% of the whole cross sectional area of the hard steel wire 1 with an arc of each bow shape having a radius of curvature substantially similar to the radius of an original wire. The hard steel wire 1 is dipped into an adhesive resin tank or coated by plating as occasion calls, and then is coated with rubber. The hard steel wire 1 is wound in layer on a former of a known winding machine to thereby form a bead wire 10 which has, for example, a generally rectangular cross section.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13621579A JPS5660704A (en) | 1979-10-22 | 1979-10-22 | Bead wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13621579A JPS5660704A (en) | 1979-10-22 | 1979-10-22 | Bead wire |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5660704A true JPS5660704A (en) | 1981-05-25 |
Family
ID=15169988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13621579A Pending JPS5660704A (en) | 1979-10-22 | 1979-10-22 | Bead wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5660704A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57146113A (en) * | 1980-10-02 | 1982-09-09 | Flowtec Ag | Method of and apparatus for compensating for obstructive dc voltage developing in electrode circuit for magnetoconductive type flow rate measurement |
JP2013129407A (en) * | 2011-12-22 | 2013-07-04 | Bridgestone Corp | Bead core and pneumatic tire |
-
1979
- 1979-10-22 JP JP13621579A patent/JPS5660704A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57146113A (en) * | 1980-10-02 | 1982-09-09 | Flowtec Ag | Method of and apparatus for compensating for obstructive dc voltage developing in electrode circuit for magnetoconductive type flow rate measurement |
JPH0129242B2 (en) * | 1980-10-02 | 1989-06-08 | Flowtec Ag | |
JP2013129407A (en) * | 2011-12-22 | 2013-07-04 | Bridgestone Corp | Bead core and pneumatic tire |
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