Starter detonator

The wireless starter detonator assembly addresses the challenges of wired infrastructure in blasting systems by using a through-the-earth wireless receiver to initiate pyrotechnic detonators, enhancing safety and reducing costs.

US20260139937A1Pending Publication Date: 2026-05-21DETNET SOUTH AFRICA (PTY) LTD
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
DETNET SOUTH AFRICA (PTY) LTD
Filing Date
2023-07-20
Publication Date
2026-05-21

AI Technical Summary

Technical Problem

Existing starter detonators in blasting systems require reliable infrastructure with harness wires and communication networks, which are prone to issues like wire cut-off and electrical leakage, especially in high-risk areas, and replacing pyrotechnic delay detonators with electronic detonators is costly.

Method used

A wireless starter detonator assembly with a through-the-earth wireless receiver and electronic detonator, connected via a flexible conductor, initiates pyrotechnic detonators using a wireless fire signal, eliminating the need for physical connections and allowing remote firing from a safe distance.

Benefits of technology

Enhances safety and reduces infrastructure costs by enabling remote initiation of detonators without physical connections, allowing reuse of the receiver and reducing risks associated with wired installations.

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Abstract

A detonator assembly wherein an electronic detonator, upon receipt of a wireless signal, is used to initiate several pyrotechnic detonators.
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