DEVICE TO UNCOUPLE STRUCTURAL ELEMENTS Russian patent published in 2013 - IPC B64G1/00 

FIELD: transport.

SUBSTANCE: invention relates to machine building and may be used in aerospace and aircraft engineering and in oil industry for remote separation of structural elements. Proposed device consists of the case secured on separable element to accommodate electric detonators, two detonating elongated charges and shield. One of said charges is arranged in case grooves while another seats in shield groove at the distance not smaller than detonating charge cross-section diameter to displace along the shield as far as it will go case retainer. Ledge is made on shield face surface relative to retainer while recess is made in said retainer to match said ledge. Note here that, in initial position, ledge cross-section area exceeds that of recesses. Said ledge in fitted into recess.

EFFECT: reduced impact stresses, rules out damages.

2 dwg