초록 ▼

A closed system for filling a container with a load of powdered, granular, or other dry fluent material and for unloading the load substantially without the emission of dust to the atmosphere. The container has an opening in its top which may be sealingly secured to a filling head during during fill

A closed system for filling a container with a load of powdered, granular, or other dry fluent material and for unloading the load substantially without the emission of dust to the atmosphere. The container has an opening in its top which may be sealingly secured to a filling head during during filling and closed by a removable cover. The filling head is connected to a dust receiver for removing dust laden air displaced from within the container as the load is delivered to the container. The container used with this system may be adapted for fluidized unloading of the powder substantially without the release of dust.

대표청구항 ▼

A closed system for filling a container with a load of powdered or granular fluent material substantially to prevent the escape of dust during filling of the container, said container having an opening at its top, said opening being defined by a substantially rigid collar, said collar having a sleev

A closed system for filling a container with a load of powdered or granular fluent material substantially to prevent the escape of dust during filling of the container, said container having an opening at its top, said opening being defined by a substantially rigid collar, said collar having a sleeve, the upper portion of said container being secured to said sleeve in sealed relation, said system further comprising delivery means comprising filling means for delivery of said fluent material through the opening into said container and means for removing air from within said container displaced upon filling of the container substantially without the emission of dust to the atmosphere, said delivery means further comprising a delivery head including a first conduit that communicates with the filling means and a second conduit that communicates with the air removing means, and means for releasably securing said collar to said delivery means during filling, said delivery head engaging said collar in sealed relation, and both said first and second conduits being in communication with the interior of the container through the opening therein when said collar is secured to said delivery means.