Zinc alloy shaped charge
December 29, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus for perforating wells Shaped charge with bifurcated projection for detonating cord Core-forming explosive charge Wrought copper alloy-shaped charge liner Creep-resistant die cast zinc alloys Frangible projectile Copper alloys for shaped charge liners Brake system zinc-base alloy components Expendalble charge case holder Tungsten enhanced liner for a shaped charge InventorAssigneeApplicationNo. 222442 filed on 12/29/1998US Classes:102/312, Borehole arrangement102/307, Linear or curvilinear cavity102/310, Plural charges102/313, Borehole loading102/506, Fragmenting102/517CompositeExaminersPrimary: Nelson, Peter A.Attorney, Agent or FirmForeign Patent References
International ClassesF42B 001/02F42B 003/00 AbstractA shaped charge is shown with enhanced creep resistance for use in a perforating gun having an elongated spiral strip open to the wellbore through which the charges are attached. The shaped charge is a hollow bodied capsule and hollow bodied cap, both threaded for easy attachment to one another. At least the capsule consists of an alloy of, by weight, between about 4 and 12 percent copper, 2 and 4 percent aluminum, and the balance zinc and impurities. | |
