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42. The expert from ETRTO presented ECE/TRANS/WP.29/GRRF/2015/30 proposing to amend the tyre dimensional requirements in Regulation No. 75. GRRF adopted this proposal and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2016 sessions, as Supplement 16 to Regulation No. 75.
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GRRF/2015/30 | Proposal for amendments to Regulation No. 75
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Proposal for amendments to Regulation No. 75
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Reference Number: GRRF/2015/30
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Proposal to amend the tyre dimension requirements. The current rules for calculating the dimensional limits are not consistent among the UN Regulations for tyres and within the Regulations themselves. Hence they lead to uncertainty in the correct calculation. The current proposal aims at unifying the calculation rules to those used in ISO 4000-1 and all major tyre standards, e.g. ETRTO, Tyre & Rim Association (T&RA), Japan Automobile Tyre Manufacturers Association (JATMA).
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Submitted by: ETRTO
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Meeting Sessions: 80th GRRF session (15-18
Sep 2015)
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Document date: 03 Jul 15
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Document status: Superseded
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Relevant to
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View full document file for more information
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