Leak testing device for pressure vessels
A removable leak test device for radiators and the like is described; consisting of: a base plate adapted to overlap the open top of the neck having diametrically opposite up-turned ears and a central aperture therethrough; toggle latches having handles pivoted on the ears and fingers pivoted on the handles for engaging the under face of the rim; a hollow stem slideable through the central aperture of the base plate, the stem having a threaded section; a resilient seal on the end of the stem for engaging the seat; a compression spring around the stem between the base plate and the seal; a nut threaded on the stem bottomed on the base plate to adjust the compression oof the spring; and means on the stem for attaching a pressure conduit to pressurize the vessel; whereby when the handles are pulled upwardly on the ears, the fingers will pull the base plate toward the rim of the neck to compress the spring and load the seal against the seat.
- Assignee:
- NOV; NOV-89-056040; EDB-89-085995
- Patent Number(s):
- US 4809542
- OSTI ID:
- 6217142
- Country of Publication:
- United States
- Language:
- English
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