49 CFR Part 569 — Regrooved Tires

PART 569—REGROOVED TIRES Authority: Secs. 119, 204, 80 Stat. 728, 729 (15 U.S.C. 1407, 1424); and Secretary's delegation of authority, 49 CFR 1.4(c). § 569.1 Purpose and scope. This part sets forth the conditions under which regrooved and regroovable tires manufactured or regrooved after the effective date of the regulation may be sold, offered for sale, introduced for sale or delivered for introduction into interstate commerce. [42 FR 21613, Apr. 28, 1977] § 569.3 Definitions. (a) Statutory definitions. All terms used in this part that are defined in section 102 of the National Traffic and Motor Vehicle Safety Act of 1966 (15 U.S.C. 1391) are used as defined in the Act. (b) Motor Vehicle Safety Standard definitions. Unless otherwise indicated, all terms used in this part that are defined in the Motor Vehicle Safety Standards, part 571, of this subchapter (hereinafter “The Standards”), are used as defined therein without regard to the applicability of a standard in which a definition is contained. (c) Regroovable tire (d) Regrooved tire [34 FR 1150, Jan. 24, 1969. Redesignated at 35 FR 5118, Mar. 26, 1970] § 569.5 Applicability. (a) General. (b) Export. [34 FR 1150, Jan. 24, 1969. Redesignated at 35 FR 5118, Mar. 26, 1970] § 569.7 Requirements. (a) Regrooved tires. (2) A regrooved tire may be sold, offered for sale, or introduced for sale or delivered for introduction into interstate commerce only if it conforms to each of the following requirements: (i) The tire being regrooved shall be a regroovable tire; (ii) After regrooving, cord material below the grooves shall have a protective covering of tread material at least 3/32 (iii) After regrooving, the new grooves generated into the tread material and any residual original molded tread groove which is at or below the new regrooved depth shall have a minimum of 90 linear inches of tread edges per linear foot of the circumference; (iv) After regrooving, the new groove width generated into the tread material shall be a minimum of 3/16 5/16 (v) After regrooving, all new grooves cut into the tread shall provide unobstructed fluid escape passages; and (vi) After regrooving, the tire shall not contain any of the following defects, as determined by a visual examination of the tire either mounted on the rim, or dismounted, whichever is applicable: (A) Cracking which extends to the fabric, (B) Groove cracks or wear extending to the fabric, or (C) Evidence of ply, tread, or sidewall separation; (vii) If the tire is siped by cutting the tread surface without removing rubber, the tire cord material shall not be damaged as a result of the siping process, and no sipe shall be deeper than the original or retread groove depth. (b) Siped regroovable tires. [39 FR 15039, Apr. 30, 1974, as amended at 42 FR 21613, Apr. 28, 1977] § 569.9 Labeling of regroovable tires. (a) Regroovable tires. [34 FR 1150, Jan. 24, 1969; 34 FR 1830, Feb. 7, 1969]

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