Blasting plug with plate members and plastic resin

Details Blasting plug with plate members and plastic resin Blasting plug with plate members and plastic resin

1988-08-29

1989-09-26

Nelson, Peter A.

Ammunition and explosives

Blasting

Plug

102312, 102333, F42B 300

Patent

active

048691739

ABSTRACT:
A blasting plug used in conjunction with a drilled blasting hole and serving fill retaining purposes in a use condition. The blasting plug is an assembly of lightweight material, and serves as a substitute for inflatable air bags now in use and, thereby, represents a considerable cost reduction. Typically, the blasting plug is defined by plywood layers having one or more sections of plastic resin disposed therebetween. The invention presents an inexpensive blasting plug which satisfies operational needs.

REFERENCES:
patent: 1627991 (1927-06-01), Owen
patent: 4464993 (1984-08-01), Porter
patent: 4464994 (1984-08-01), Porter

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