Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Reexamination Certificate
2008-05-01
2010-02-16
Durand, Paul R (Department: 3721)
Elongated-member-driving apparatus
Explosive-type driving means
With plunger
C227S130000, C227S156000, C222S402100
Reexamination Certificate
active
07661568
ABSTRACT:
A combined fuel cell and combustion tool including a combustion tool configured for receiving a fuel cell; the fuel cell having a housing defining an open end enclosed by a closure; a main valve stem having an outlet, disposed in operational relationship to the open end and reciprocating relative to the housing at least between a closed position wherein the stem is relatively extended, and an open position wherein the stem is relatively retracted; a fuel metering valve located within the housing, associated with the main valve stem, including a fuel metering chamber defined in part by a metering chamber seal and configured so that when the stem is in the open position, only a measured amount of fuel is dispensed through the outlet, the stem having a radially variable exterior contour periodically sealingly engaging the seal such that in the closed position a non-sealing relationship is defined between the stem and the seal, and in the open position a sealing relationship is defined between the stem and the seal; and the housing includes a separate fuel container, and the fuel metering valve includes a valve body that has a second end opposite the fuel metering chamber and located within the container, wherein the flow of fluid out the outlet of the fuel cell is solely from the separate fuel container.
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Dalsant Giuseppe
Geier Adalberto
Vanstaan Valery H.
Wagdy Mohamed K.
Croll Mark W.
Durand Paul R
Greer Burns & Crain Ltd.
Illinois Tool Works Inc.
Rauch Christopher P.
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