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Class Information
Number: 102/328
Name: Ammunition and explosives > Blasting > Contained pressurized fluid blasting charge > Contained fluid exit seal controlled by fluid pressure
Description: Subject matter wherein the container has an outlet for the fluid in the container and a closure to seal the outlet to keep the fluid in the container and to open the seal as a result of the fluid pressure itself reaching a predetermined pressure to allow the fluid to exit suddenly from the container through the outlet.

Sub-classes under this class:

Class Number Class Name Patents
102/329 Valve-type seal 4

Patents under this class:

Patent Number Title Of Patent Date Issued
8387533 Downhole perforating gun switch Mar. 5, 2013
6598807 Spraying device with wide spray arc Jul. 29, 2003
6561274 Method and apparatus for unloading well tubing May. 13, 2003
6467387 Apparatus and method for propelling a data sensing apparatus into a subsurface formation Oct. 22, 2002
6305752 Pneumatic blasting device Oct. 23, 2001
5631441 XDM pyrophoric countermeasure flare May. 20, 1997
5481977 Work-controlled launching device with accumulator Jan. 9, 1996
5419257 Device for simultaneously ejecting two fluids, in particular two pyrotechnic fluids May. 30, 1995
4976202 Antitank-antipersonnel weapon Dec. 11, 1990
4669783 Process and apparatus for fragmenting rock and like material using explosion-free high pressure shock waves Jun. 2, 1987

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