Injection-molding apparatus for attaching end fittings to detona

Details Injection-molding apparatus for attaching end fittings to detona Injection-molding apparatus for attaching end fittings to detona

1975-06-16

1976-11-09

Engle, Samuel W.

Ammunition and explosives

Igniting devices and systems

102 27R, 264 3R, 86 1R, F42C 1902

Patent

active

039903672

ABSTRACT:
A typical end fitting arrangement includes a sleeve-like bearing member riving an end of the explosive cord and a coupling member, such as a threaded nut, slipped axially over the cord into a fixed position relative to the sleeve. To securely bind together the cord and the sleeve, a void is provided radially inwardly of the nut and a thermosetting material is directly injected into the void to flow over and around the components. Upon hardening, all components are locked together as an integral body. The injected material further provides a significantly-improved, hermetic seal. Special thermosetting materials having short glass fiber fillers are used to assure load-bearing strength.

REFERENCES:
patent: 3238873 (1966-03-01), Allen
patent: 3893395 (1975-07-01), Kilmer

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