JPS5625006A - Pneumatic radial tyre - Google Patents

Pneumatic radial tyre

Info

Publication number
JPS5625006A
JPS5625006A JP10160679A JP10160679A JPS5625006A JP S5625006 A JPS5625006 A JP S5625006A JP 10160679 A JP10160679 A JP 10160679A JP 10160679 A JP10160679 A JP 10160679A JP S5625006 A JPS5625006 A JP S5625006A
Authority
JP
Japan
Prior art keywords
tyre
outside
carcass ply
section
bracing layer
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
JP10160679A
Other languages
Japanese (ja)
Other versions
JPS606803B2 (en
Inventor
Sosuke Inouchi
Shoji Kono
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.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries 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 Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP54101606A priority Critical patent/JPS606803B2/en
Publication of JPS5625006A publication Critical patent/JPS5625006A/en
Publication of JPS606803B2 publication Critical patent/JPS606803B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Tires In General (AREA)

Abstract

PURPOSE: To improve the strength at the bead section of a pneumatic radial tyre, by constituting it with a triangular truss structure, and at the same time to distribute and alleviate stress concentration effectively at the end of a metallic cord by putting a soft rubber member into the triangular truss structure.
CONSTITUTION: Both ends of a carcass ply 1 consisting of metallic cords which extend at approximately 90° to the central plane in the circumferential direction of a tyre goes around the bead wire 2 from inside to outside, and a metallic cord bracing layer 3 is provided adjacent to the outside of the folding of the carcass ply 1. Further, fibre card layers 5 and 6 are arranged, which are to reinforce the area where the end 1a of the carcass ply 1 and the end 3a of the bracing layer 3 are positioned close to and outside of the bracing layer 3. The section with a cross section of substantially triangle that is enclosed by those members 1, 3, 5 and 6 is filled with soft rubber as a bead apex 7. In this arrangement the tyre can maintain enough strength to support loads applied to it.
COPYRIGHT: (C)1981,JPO&Japio
JP54101606A 1979-08-08 1979-08-08 pneumatic radial tire Expired JPS606803B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54101606A JPS606803B2 (en) 1979-08-08 1979-08-08 pneumatic radial tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54101606A JPS606803B2 (en) 1979-08-08 1979-08-08 pneumatic radial tire

Publications (2)

Publication Number Publication Date
JPS5625006A true JPS5625006A (en) 1981-03-10
JPS606803B2 JPS606803B2 (en) 1985-02-20

Family

ID=14305044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54101606A Expired JPS606803B2 (en) 1979-08-08 1979-08-08 pneumatic radial tire

Country Status (1)

Country Link
JP (1) JPS606803B2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5963207A (en) * 1982-10-04 1984-04-10 Sumitomo Rubber Ind Ltd Radial tire for heavy duty vehicle
JPS5984608A (en) * 1982-11-04 1984-05-16 Sumitomo Rubber Ind Ltd Radial tire
JPS608101A (en) * 1983-06-24 1985-01-17 Sumitomo Rubber Ind Ltd Pneumatic tyre
JPS6056608A (en) * 1983-09-07 1985-04-02 Sumitomo Rubber Ind Ltd Radial tyre for heavy load
JPS6094806A (en) * 1983-10-28 1985-05-28 Sumitomo Rubber Ind Ltd Reinforcing structure for bead part of radial tire for heavy load
JPS61211104A (en) * 1985-03-15 1986-09-19 Bridgestone Corp Pneumatic tire with less rolling resistance for low duty service
US4688616A (en) * 1985-09-11 1987-08-25 Sumitomo Rubber Industries Ltd. Pneumatic radial tires for heavy vehicles
US4699194A (en) * 1985-06-26 1987-10-13 Sumitomo Rubber Industries, Ltd. Pneumatic radial tires for heavy vehicles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US317244A (en) * 1885-05-05 Hans thielsen
JPS4944122A (en) * 1972-07-10 1974-04-25
JPS50117102A (en) * 1974-02-28 1975-09-12
JPS5211481A (en) * 1975-07-17 1977-01-28 Toyota Motor Corp Article charging and taking out apparatus
JPS5232484A (en) * 1975-09-08 1977-03-11 Nec Corp Signal receiving device
JPS5324681A (en) * 1976-08-19 1978-03-07 Metallgesellschaft Ag Electric dust collector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US317244A (en) * 1885-05-05 Hans thielsen
JPS4944122A (en) * 1972-07-10 1974-04-25
JPS50117102A (en) * 1974-02-28 1975-09-12
JPS5211481A (en) * 1975-07-17 1977-01-28 Toyota Motor Corp Article charging and taking out apparatus
JPS5232484A (en) * 1975-09-08 1977-03-11 Nec Corp Signal receiving device
JPS5324681A (en) * 1976-08-19 1978-03-07 Metallgesellschaft Ag Electric dust collector

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5963207A (en) * 1982-10-04 1984-04-10 Sumitomo Rubber Ind Ltd Radial tire for heavy duty vehicle
JPS5984608A (en) * 1982-11-04 1984-05-16 Sumitomo Rubber Ind Ltd Radial tire
JPS608101A (en) * 1983-06-24 1985-01-17 Sumitomo Rubber Ind Ltd Pneumatic tyre
JPS6056608A (en) * 1983-09-07 1985-04-02 Sumitomo Rubber Ind Ltd Radial tyre for heavy load
JPH0429566B2 (en) * 1983-09-07 1992-05-19
JPS6094806A (en) * 1983-10-28 1985-05-28 Sumitomo Rubber Ind Ltd Reinforcing structure for bead part of radial tire for heavy load
US4917166A (en) * 1983-10-28 1990-04-17 Sumitomo Rubber Industries, Ltd. Pneumatic radial tire having an improved durability in bead section
JPS61211104A (en) * 1985-03-15 1986-09-19 Bridgestone Corp Pneumatic tire with less rolling resistance for low duty service
US4699194A (en) * 1985-06-26 1987-10-13 Sumitomo Rubber Industries, Ltd. Pneumatic radial tires for heavy vehicles
US4688616A (en) * 1985-09-11 1987-08-25 Sumitomo Rubber Industries Ltd. Pneumatic radial tires for heavy vehicles

Also Published As

Publication number Publication date
JPS606803B2 (en) 1985-02-20

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