Ammunition and explosives – Igniting devices and systems
Patent
1975-01-27
1976-04-20
Pendegrass, Verlin R.
Ammunition and explosives
Igniting devices and systems
102 23, F42D 300
Patent
active
039510654
ABSTRACT:
An explosive device for use in removing ice formed in railroad tunnels and similar underground cavities comprising a base member and mating cap member assembled to form a rigid blast-directing assembly having a groove formed around its periphery at the juncture between the base and cap members, and a ring-shaped explosive substance, detonable by an electric charge, seated therein. The peripheral groove is of sufficient depth and width that any explosive gases and heat produced therein will be directed radially outward from all sides of the assembly in a relatively thin, fan-like pattern. In use, a plurality of the devices are fastened in clusters to the interior wall and ceiling surfaces of a railroad tunnel or other underground cavity at those points where water seeping into the cavity is likely to freeze into ice. Whenever the ice accumulates to a thickness protruding beyond a predetermined distance from the interior surface of the cavity, the explosive substance seated in the groove around one or more selected assemblies may be detonated by the application of a remotely-generated electric charge to shear away the protruding ice. As the ice reforms, the explosive substance within different assemblies may be detonated, thereby keeping the cavity relatively ice-free over extended periods of time.
REFERENCES:
patent: 2790388 (1957-04-01), MacLeod
patent: 3632172 (1972-01-01), Robinson et al.
patent: 3800703 (1974-04-01), Murokami
LandOfFree
Explosive device and method for removing ice from railroad tunne does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Explosive device and method for removing ice from railroad tunne, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Explosive device and method for removing ice from railroad tunne will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1578808