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ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS UN/ECE REGULATIONS proposal for optimization of proposal for optimization of regulatory framework regulatory framework and and tyre type approval tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO proposal Informal document No. GRRF- 55-25 (55th GRRF, 3-6 February 2004, agenda item 6.2.)

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Page 1: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 1GRRF55 Feb.2004 pag. 1

UN/ECE REGULATIONSUN/ECE REGULATIONSproposal for optimization of proposal for optimization of

regulatory frameworkregulatory framework and and

tyre type approval tyre type approval

55TH GRRF 3 – 6 Feb. 2005ETRTO proposal

Informal document No. GRRF-55-25(55th GRRF, 3-6 February 2004, agenda item 6.2.)

Page 2: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 2GRRF55 Feb.2004 pag. 2

Tyre moulds

• Tyre Industry investment and asset• Link to product performances• Link to product appearance & end-user

information• Link to production capacity and delivery• From 1 to 20 moulds for every tyre

type/designation• Every sidewall change imply:

– Lead time and cost (review layout, logistics, rework, industrialization, quality control)

– Production capacity lost

Page 3: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 3GRRF55 Feb.2004 pag. 3

Load/Speed Performance + Noise (s = sound)

TYRE SIDEWALL MARKINGS

MINIMAL dimensions:• logo “E x” is 12mm, height 6mm for the “E” and 4mm for the “x”;• logo “e y” is 12x8mm, height 4mm for the “e y”• legal homologation number: height 4mm

02MMMMMMM

NNNNNNN-s NNNNNNN-s

00MMMMMMM

00NNNNNNN-s

02MMMMMMMNNNNNNN-s

00MMMMMMM

PASSENGER COMM.VEH.

Page 4: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 4GRRF55 Feb.2004 pag. 4

ISO 8767 (Pass.)

ISO 9948 (CV)(4 methods)

ROLLINGRESISTANCE

Draft proposal Pass. Tyres

Draft available

CV tyres started

WET GRIP

Draft definedTo be approved

by ECE

ISO 13325Coast-by Test

ISO 10844Track Surface

NOISE

UN/ECE Regulation

ISOStandards

ISO STANDARDS and UN/ECE REGULATIONS

Type approval &

Sidewallmarking?

Page 5: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 5GRRF55 Feb.2004 pag. 5

WET GRIP REG. – actual proposal

REG.3002 series

REG.5400 series

PASSENGER TRUCK&BUS

LOAD/SPEEDTEST

02MMMMMMM

00NNNNNNN

SOUNDTEST

00KKKKKKK-s

02MMMMMMM

30R-03MMMMMMMREG.xxx00 series

+

REG.3003 series REG.54

01 series

WETADHESION

TEST

30R-03MMMMMMM

Page 6: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 6GRRF55 Feb.2004 pag. 6

WET GRIP REG. – actual proposal

REG.3002 series

REG.3003 series

REG.5400 series

PASSENGER TRUCK&BUS

REG.5401 series

LOAD/SPEEDTEST

WETADHESION

TEST

SOUNDTEST

02MMMMMMM

00KKKKKKK-s

02MMMMMMM

30R-03MMMMMMM

30R-03MMMMMMM

00NNNNNNN

REG.xxx00 series

+

RUNFLAT tyre prescriptions

Page 7: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 7GRRF55 Feb.2004 pag. 7

NEW PROPOSAL – sidewall marking optimization

REG.3002 series

REG.5400 series

PASSENGER TRUCK&BUS

LOAD/SPEEDTEST

02MMMMMMM

00NNNNNNN

SOUNDTEST

02MMMMMMM – sREG.xxx00 series

WETADHESION

TEST

02MMMMMMM – s wREG.xxx00 series

RUNFLAT tyre prescriptions

Page 8: ETRTO GRRF55 Feb.2004 pag. 1 UN/ECE REGULATIONS proposal for optimization of regulatory framework and tyre type approval 55 TH GRRF 3 – 6 Feb. 2005 ETRTO

ETRTO

ETRTO

GRRF55 Feb.2004 pag. 8GRRF55 Feb.2004 pag. 8

NEW PROPOSAL – sidewall marking optimization

REG.3002 series

REG.5400 series

PASSENGER TRUCK&BUS

LOAD/SPEEDTEST

WETADHESION

TEST

SOUNDTEST

02MMMMMMM

02MMMMMMM – s01 w

02MMMMMMM – s01

00NNNNNNN

REG.xxx00 series

REG.xxx01 series

Roll.Resistance

Test

02MMMMMMM – s01 w rREG.xxx00 series


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