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US 4,058,868 AGranted
Capsule cleaning and polishing
AssigneePerry Industries, Inc.
InventorRobert J. Champion
Life of this patent
Estimating the term…
Abstract
An apparatus and a method of cleaning and polishing capsules in which the capsules are blown against one side of an electrically charged screen to clean dust therefrom by their impacting on the screen. Air is drawn through the screen from the other side of the screen to draw off the dust through the screen. The capsules drop down from the screen and are delivered to a rotating inclined drum having a lining of napped fabric wherein the capsules are tumbled for residual cleaning and polishing.
Claims14
Capsule cleaning and polishing apparatus comprising:
- means providing a delivery passage for capsules;
- a screen;
- means mounting the screen at a level above the delivery passage with one side of the screen facing in the direction toward the delivery passage and with the screen positioned relative to the delivery passage to have capsules impelled against said one side thereof for dislodging dust from the capsules and to have the capsules drop down from the screen through the delivery passage after impacting against the screen;
- means for electrically charging the screen;
- means for impelling capsules against said one side of the screen;
- means for drawing air through the screen from the other side thereof to draw off dust through the screen;
- and means for receiving capsules dropping down from the screen through the delivery passage and buffing the capsules after they have impacted against the screen for removing any residual dust from the capsules and polishing them.
4 more elements
Capsule cleaning and polishing apparatus comprising:
- an inclined rotatable drum having a lining for buffing capsules,
- a housing adjacent the upper end of the drum, said housing having an opening at the bottom,
- a screen,
- means mounting the screen in upright position in the housing above the bottom of the housing and on one side of said opening with one side of the screen facing in the direction toward said opening,
- means for impelling capsules into the housing and over the opening to impact against said one side of the screen for dislodging dust from the capsules, said mounting means holding the screen in position to have capsules impelled against the screen drop down from the screen, after impacting against said one side of the screen, through said opening at the bottom of the housing on said one side of the screen for exit of the capsules,
- a chute for delivery of capsules dropping down through said opening into the drum at the upper end of the drum, and
- means connected to the housing on the opposite side of the screen for drawing air through the screen to draw off dust through the screen and carry it out of said housing.
4 more elements
Dependencies are inferred from the claim text.