Metal deforming – By or with work-constrainer and/or manipulated work-forcer
Reexamination Certificate
2007-05-14
2008-10-07
Tolan, Edward (Department: 3725)
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
C072S453010, C072S478000, C072S705000
Reexamination Certificate
active
07430891
ABSTRACT:
A pneumatic dent removing tool, wherein a sleeve is sheathed onto a vacuum ejector, and the inner screw thread of the sleeve is screwed to the outer screw thread of the vacuum ejector such that the combination of the free space of the vacuum ejector and the sleeve are sealed together. An air tube fitting opening is connected with an air tube which contains a suction cup. A jet faucet fitting opening connects with a jet faucet, and the jet faucet is connected with an air supply hose. The user need only eject the high pressure air into the vacuum ejector to generate suction under the suction cup. This process achieves the function of saving time and effort, increasing user safety, and decreasing the negative impact on the strength of the sheet metal.
REFERENCES:
patent: 2771933 (1956-11-01), Edwards
patent: 4753104 (1988-06-01), Strozier
patent: 5727418 (1998-03-01), Strozier
patent: 6536250 (2003-03-01), Borchert
patent: 7222901 (2007-05-01), Gebauer et al.
Ming Chow Sinorica, LLC
Tolan Edward
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