JPS5660704A - Bead wire - Google Patents

Bead wire

Info

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
Application number
JP13621579A
Other languages
Japanese (ja)
Inventor
Shigemasa Takagi
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.)
FUJI SEIKOU KK
Fuji Bellows Co Ltd
Original Assignee
FUJI SEIKOU KK
Fuji Bellows 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 FUJI SEIKOU KK, Fuji Bellows Co Ltd filed Critical FUJI SEIKOU KK
Priority to JP13621579A priority Critical patent/JPS5660704A/en
Publication of JPS5660704A publication Critical patent/JPS5660704A/en
Pending legal-status Critical Current

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
JP13621579A 1979-10-22 1979-10-22 Bead wire Pending JPS5660704A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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