ISO/TC 31/SC 4

Project No.ISO/CD 4209-1
Title<p class="MsoNormal" style="margin-bottom: 10.0pt;">This part of ISO 4209 specifies the designation, dimensions and load ratings of the metric series of tyres primarily intended for trucks and buses.</p> <p class="MsoNormal" style="margin-bottom: 10.0pt;">It is applicable to bias-belted, diagonal and radial tyres for trucks and buses, mounted on 5° tapered (drop-centre) rims and on 15° tapered (drop-centre) rims.</p> <p class="MsoNormal" style="margin-bottom: 10.0pt;">It is also applicable to different concepts and types of tyres and rims; in these cases, however, appropriate rim/section ratios <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">1</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">4</span>, coefficients <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">2</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">3</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">C</span></em><em style="mso-bidi-font-style: normal;"><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">R</span></em><span style="mso-spacerun: yes;"> </span>and structure codes have been added to Tables 3, 4 and 5.</p> <p><span style="font-size: 10.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-GB; mso-fareast-language: ZH-CN; mso-bidi-language: HE;">ISO 4209-2 specifies requirements for rims.</span></p>
Registration number (WIID)92991
Scope<p class="MsoNormal" style="margin-bottom: 10.0pt;">This part of ISO 4209 specifies the designation, dimensions and load ratings of the metric series of tyres primarily intended for trucks and buses.</p> <p class="MsoNormal" style="margin-bottom: 10.0pt;">It is applicable to bias-belted, diagonal and radial tyres for trucks and buses, mounted on 5° tapered (drop-centre) rims and on 15° tapered (drop-centre) rims.</p> <p class="MsoNormal" style="margin-bottom: 10.0pt;">It is also applicable to different concepts and types of tyres and rims; in these cases, however, appropriate rim/section ratios <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">1</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">4</span>, coefficients <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">2</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">K</span></em><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">3</span>, <em style="mso-bidi-font-style: normal;"><span style="font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial;">C</span></em><em style="mso-bidi-font-style: normal;"><span style="font-size: 8.0pt; mso-bidi-font-size: 10.0pt; font-family: 'Times New Roman',serif; mso-bidi-font-family: Arial; position: relative; top: 2.0pt; mso-text-raise: -2.0pt;">R</span></em><span style="mso-spacerun: yes;"> </span>and structure codes have been added to Tables 3, 4 and 5.</p> <p><span style="font-size: 10.0pt; font-family: 'Arial',sans-serif; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-GB; mso-fareast-language: ZH-CN; mso-bidi-language: HE;">ISO 4209-2 specifies requirements for rims.</span></p>
StatusIzstrādē
ICS groupNot set