| 摘要 |
Mechanical fastener means for blocking off an opening in an intake manifold gasket when the latter is used with a fuel injected engine. The fastener means includes two mating metal members whose outer edges are oppositely bowed to extend past and confine the oppositely disposed edge portions of the gasket opening therebetween, with one of the members having a central opening formed therein for receiving a "button" extension in the shape of a substantially cylindrical cup formed on the other member and, once extended through the central opening, such button extension being mechanically impacted to be caused to assume a dished shape and a flanged connection with the edge portion of the central opening in the one member.
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