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实用新型
CN205208021U 一种喷油管护套 失效 - 权利终止 转让

一种喷油管护套
摘要：
本实用新型公开一种喷油管护套，包括套体，套体的尾部与法兰固定，套体的头部为套嘴，套体与套嘴间设置过渡部一，套体与法兰间为过渡部二和过渡部三，过渡部三为筒形，过渡部一和过渡部二均为锥台型，且过渡部二的最小直径与套体的直径相同；过渡部一的最大直径与套体的直径相同；过渡部二的最大直径与过渡部三的直径相同。本实用新型的优点是：由于设置了三个过渡部，因此，可采用多次压延的方法进行生产，克服了现有技术的缺陷，产品使用寿命大大提高，生产效率也提高很多。
摘要（英）：

The utility model discloses a spout oil pipe sheath, including the cover body, the afterbody of the cover body is fixed with the flange, and the head of the cover body sets up transition portion no. 1 for the cover mouth between the cover body and set mouth, and for transition portion no. 2 and transition portion no. 3 between the cover body and flange, transition portion no. 3 is the cylindric, and transition portion no. 1 and transition portion no. 2 are the frustum type, and the minimum diameter of transition portion no. 2 is the same with the diameter of the cover body, the maximum diameter of transition portion no. 1 is the same with the diameter of the cover body, the maximum diameter of transition portion no. 2 is the same with the diameter of transition portion no. 3. The utility model has the advantages that: owing to set up three transition portion, consequently, can adopt the method of calendering many times to produce, overcome prior art's defect, the product life improve greatly, and production efficiency also improves a lot.

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