US 4,228,832 A · Vacuum encapsulating apparatus

Abstract

This invention relates to apparatus for applying liquids to objects under vacuum, and in one embodiment, particularly suitable for injecting potting compounds into electronic components, comprises a portable, bell-shaped housing, preferably made from transparent material and having a bottom, circular aperture surrounded by a vacuum gasket, conduit means for introducing vacuum into the interior chamber of the bell-shaped housing, regulator means for regulating the degree of vacuum so introduced into said housing, gauge means for monitoring the degree of vacuum within said housing, container means for holding the potting compound in liquid form, liquid conduit means for transferring liquid potting compound from said container means to a desired location within said housing, and a liquid flow regulation valve for controlling the rate of flow of liquid potting compound through said liquid conduit means.

Claims17

Dependent claims

Portable vacuum potting apparatus comprising

a bell having an interior chamber that has a bottom opening, the edge region of which is adapted for juxtapositioning to an associated surface in vacuum tight relationship thereto, and an associated carrying handle,
said apparatus including means for interconnecting the interior of said bell with a vacuum source and fluid conduit means describing a flow-path to the interior of said bell through which fluid may pass from an associated container,
and said handle including regulating means for regulating the flow of fluid through said fluid conduit.

Dependencies are inferred from the claim text.

Vacuum encapsulating apparatus

Life of this patent

Vacuum encapsulating apparatus

Life of this patent

Abstract

Claims17