JPS641605A - Heavy loading radial tire - Google Patents

Heavy loading radial tire

Info

Publication number
JPS641605A
JPS641605A JP62153482A JP15348287A JPS641605A JP S641605 A JPS641605 A JP S641605A JP 62153482 A JP62153482 A JP 62153482A JP 15348287 A JP15348287 A JP 15348287A JP S641605 A JPS641605 A JP S641605A
Authority
JP
Japan
Prior art keywords
cord
layer
layers
split
durability
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
JP62153482A
Other languages
Japanese (ja)
Other versions
JPH011605A (en
Inventor
Kazuyuki Kabe
Takeshi Takahashi
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber 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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP62-153482A priority Critical patent/JPH011605A/en
Priority claimed from JP62-153482A external-priority patent/JPH011605A/en
Publication of JPS641605A publication Critical patent/JPS641605A/en
Publication of JPH011605A publication Critical patent/JPH011605A/en
Pending legal-status Critical Current

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  • Tires In General (AREA)

Abstract

PURPOSE: To improve the durability of belt layers, by forming the 1st layer of belt layers provided in multiple to be in a given split construction having a given cord angle, providing its split portion with a given organic fibre cord layer, and placing the cords of a 2nd and a 3rd layers so as to be intersectingly arranged to each other.
CONSTITUTION: A 1st layer 4a nearest to the carcass layer 3, of belt layers 4 is formed in a split construction having a cord angle of 40W75deg., allowing it to be split at a crown center area T, and an organic fibre cord having the total strength of the min. 240kg/cm per unit width is placed on this split portion as an organic fibre cord layer 5 being placed at a cord angle of 0W10deg. Further, cord arrangement on the both sides of the 1st layer 4a is set to be symmetrical against a tire center. The cord angles of a 2nd and a 3rd layers 4b, 4c are arranged to be 10W30deg. and the both layers are placed so as to be intersected to each other. This constitution will improve the durability and the dimensional stability of the crown portion on a rough road, thus improve the durability of a belt.
COPYRIGHT: (C)1989,JPO&Japio
JP62-153482A 1987-06-22 Radial tire for heavy loads Pending JPH011605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62-153482A JPH011605A (en) 1987-06-22 Radial tire for heavy loads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62-153482A JPH011605A (en) 1987-06-22 Radial tire for heavy loads

Publications (2)

Publication Number Publication Date
JPS641605A true JPS641605A (en) 1989-01-06
JPH011605A JPH011605A (en) 1989-01-06

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03128702A (en) * 1989-07-24 1991-05-31 Sumitomo Rubber Ind Ltd Heavy duty tire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03128702A (en) * 1989-07-24 1991-05-31 Sumitomo Rubber Ind Ltd Heavy duty tire

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