Process of bulk filling

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6418982
SERIAL NO

09718111

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A process of bulk filling containers which includes the steps of arranging a number of containers upside down in a tray (24) that has a raised peripheral lip (26). This tray full of containers is then placed in a vacuum chamber (28) which is then evacuated to a predetermined level below atmospheric pressure. Liquid (36) is then introduced into the tray through a reservoir (38) and conduit (40) which penetrates the wall of the vacuum chamber and the vacuum within the chamber is gradually released at a rate that draws the liquid into the containers. At this point in the process unwanted liquid is rinsed away and the tray is removed from the chamber and turned right side up. The final step is to seal the top of the containers with an appropriate cap, barrier, tip or connection. A second embodiment adds a step to the process by positioning the containers upside down in a rack (74) and positioning the rack directly above the tray containing the liquid. The rack is then lowered until the container necks are immersed in the liquid. The level of liquid is maintained as above and the balance of the process is conducted the same as the preferred embodiment.

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Patent Owner(s)

Patent OwnerAddress
AMPHASTAR PHARMACEUTICALS INC11570 6TH STREET RANCHO CUCAMONGA CA 91730-6025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Luo, Mary Ziping South El Monte, CA 17 343
Xia, Frank Z South El Monte, CA 3 64
Zhang, Jack Y South El Monte, CA 4 146

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