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Show GUM BLOWOUTS I0W GN MARKET When a Blister Is Noticed on Your Tire Take Casing to Tire Surgeon Liang! The motorist stops ills car and disgustedly dis-gustedly gets out to examine the blowout To his amazement the tire has not gone flat and the tread ts still Intact. Technically this trouble Is known as a "gum blowout." Pocketed Pock-eted sir in the side wall, caused by nn obstructed puncture, simply reached the bursting point and exploded The facts of the case are. that .-puncture .-puncture IS often partially sealed by the tre.d, so that air escapes very i slowly. It may be that a nail, still ' Imbedded to (he tread, assists In rork- Intf up the hole. A slow tuhe leak resulted and air. "e- through 'he fabric, according to Miller tire repairmen. This nlr is i-.-., f-;soned between the tread and fabric. ESaeh revolution of the tire acts like a force pump on this pocketed air. fnrciriR It further and further from under the read toward the side wall Here it forms a blister, similar t u. mud boll. When the blister breaks, due to excessive pressure, a ragged hole Is torn In the sld- wall rubber. Although ; the tear does not go through the 'fabric it win rcaull m serlbun dam-. dam-. age to the carcass If it Is lung ex-, ex-, posed lo the road. hen a blister Is noticed on the side wall, take the easing to a tire sur-geon sur-geon without delay. |