Blasting > Contained pressurized fluid blasting charge > Contained fluid exit seal controlled by fluid pressure > Valve-type seal > Patents

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Class Information
Number: 102/329
Name: Ammunition and explosives > Blasting > Contained pressurized fluid blasting charge > Contained fluid exit seal controlled by fluid pressure > Valve-type seal
Description: Subject matter wherein the closure for the outlet of the container is a valve.

Sub-classes under this class:

Class Number	Class Name	Patents
102/330	Automatically operated	3

Patents under this class:

Patent Number	Title Of Patent	Date Issued
5000516	Apparatus for rapidly generating pressure pulses for demolition of rock having reduced pressure head loss and component wear	Mar. 19, 1991
4998479	Smoke generating device with rechargable cartridge	Mar. 12, 1991
4863220	Highly reliable method of rapidly generating pressure pulses for demolition of rock	Sep. 5, 1989
4541342	Pyrotechnic device with metal diaphragm and metal insert	Sep. 17, 1985