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US 4,196,231 AGranted
Impregnating equipment and method of vacuum impregnation
OwnerErnst Hubersinventor
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OwnerErnst Hubersinventor
Estimating the term…
Impregnating equipment includes a centrifuge, a tank which can be exhausted and into which an impregnating compound can be introduced, and means for attaching at an upper part of the tank a mounting for a centrifugal basket, said mounting comprising a single self-aligning or swing bearing which is supported by a support which can be locked by means of an expanding device to the upper rim of the tank. The expanding device preferably consists of three radial arms which can be retracted and extended and the ends of which are in the form of jaws, the rim of the tank consisting of a ring the radially inwardly-directed cross-section of which has a shape mating with the shape of the jaws. A method of vacuum impregnation of articles utilizing such impregnating equipment comprises introducing the articles into the centrifugal basket, coupling the centrifugal basket with the basket drive mounting support, introducing the basket drive mounting support and the basket into the tank, releasing the coupling, removing the basket drive mounting support, closing and exhausting the tank, impregnating the articles, introducing air into and opening the tank, lowering the basket drive mounting support and coupling same to the centrifugal basket, lifting the basket drive mounting support and locking same to the tank, spinning the centrifugal basket by means of the basket drive mounting support to centrifuge off and return excess impregnating compound into the tank, releasing the locking means and lifting the basket drive mounting support and the centrifugal basket, and uncoupling and removing the centrifugal basket from the basket drive mounting support.
Apparatus for impregnating articles comprising a tank having an upper rim, means for evacuating said tank, means for introducing an impregnating liquid into said tank, basket means for retaining said articles, centrifuge means including self-aligning bearing means for rotating said basket means, and support means for releasably affixing said self-aligning bearing means to said upper rim of said tank so that when said support means is affixed to said upper rim of said tank, said basket means is rotatable within said tank, and when said support means is released from said upper rim of said tank said basket means can be removed from said tank.
A method of impregnating articles in a centrifugal basket means disposable within a tank havng an upper rim, said centrifugal basket including releasable support means for releasably suspending said basket means from said upper rim of said tank, said method comprising disposing said articles in said basket means, attaching said basket means to said releasable support means, introducing said basket means and said releasable support means into said tank, releasing said releasable support means from said basket means so that said basket means remains in said tank, introducing an impregnating liquid into said tank, closing and evacuating said tank so as to impregnate said articles with said impregnating liquid, opening said tank, affixing said releasable support means to said basket means within said tank, suspending said basket means within said tank by affixing said releasable support means to said upper rim of said tank, centrifuging said impregnated articles by rotating said basket means suspending in said tank, releasing said releasable support means from said upper rim of said tank, and removing said releasable support means and said basket means from said tank.
Dependencies are inferred from the claim text.