| 摘要 |
A cap for a disposable oil filter. The cap is comprised of a locking ridge that is molded into the inside circumference of said cap. When firmly pressed over the seamed perimeter rim on the face end of the disposable oil filter, a locking ridge securely engages into the seam line, formed by the manufactures seaming process, thus locking cap on oil filter and forming a liquid tight seal on each side of locking ridge.
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