Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1994-07-14
1998-01-06
Walton, George L.
Fluid handling
Processes
Cleaning, repairing, or assembling
123196R, 123196A, 137318, 137322, 141 65, 141 98, 141330, 184 15, 210248, 2104165, 222 91, 222559, 2511494, 2511496, 408226, 408227, B65B 304, F01M 1104
Patent
active
057043833
ABSTRACT:
A tool for tapping a container and removing fluid from the container includes a modified bit having a tip configured to bore a hole through a wall of the container, such as an oil filter casing or a tank wall, and a threaded frustoconically-shaped shank configured to engage the wall material defining the hole and to draw the tool into sealing engagement with the wall. A valve assembly is attached to the tip remote end of the modified bit. The valve assembly includes a hex-shaped surface for engaging a drill socket so that the tool can be rotated as it is pressed against the wall. A passageway extends through the shank for communicating fluid from the container, and a valve is located in the valve assembly in communication with the passageway to control fluid flow through the passageway. A cap fits over the valve assembly at the tip remote end of the tool during non-use and when the tool is being used to bore through the wall to protect the tool. The method includes providing the above noted tool, boring a hole in the wall, and removing fluid from the container and/or adding fluid to the container.
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Exhibit A includes photographs taken of a video published by Shell Oil Company in 1994. The video descibes a process and apparatus promoted by Shell Oil Company for removing used engine oil from a vehicle by vacuum to a used oil tank, and then refilling the engine with oil from a "new oil" tank, the new oil being supplied under pressure.
Exhibit B is a sales brochure
ewsletter entitled "Oil Bank.RTM." published by Shell Oil Company in 1994, disclosing and promoting the Oil Bank process and apparatus discussed in Exhibit A.
Exhibit C is a product brochure entitled "FEMCO Drain Plug", publication date unknown, disclosing a valve configured for attachment to a threaded drain plug hole in a vehicle oil pan.
The valve identified as item 2 includes an internal, spring-biased piston valve, and a dust cap.
Canon Jack C.
Kammeraad David A.
Kamphuis Dwain L.
K-Line Industries, Inc.
Walton George L.
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