Quanta Services has filed a patent for an implosion shield made of flexible ballistic fabric that can be wrapped or formed around an implosion sleeve or dead-end on a power line. The shield attenuates shock, pressure, and sound waves from detonation. The shield consists of two panels that form an envelope around the implosion sleeve or dead-end, containing the effects of the blast intensity within the envelope. GlobalData’s report on Quanta Services gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile, Quanta Services's grant share as of September 2023 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Pliable implosion shield for power line blast attenuation
A recently filed patent (Publication Number: US20230314113A1) describes a pliable implosion shield designed to mitigate the effects of blast intensity around an implosion sleeve or dead-end sleeve installed on a power line. The shield consists of two panels made of flexible ballistic fabric that envelop the installed sleeve, containing the blast effects within the shield.
Claim 1 outlines the main features of the implosion shield, including the use of flexible ballistic fabric panels on opposite sides of the installed sleeve, creating an envelope that encloses the sleeve and its horizontally exposed sides. The shield effectively contains the blast intensity within the envelope.
Claim 2 provides further details on the construction of the shield, stating that the panels are continuous and formed from a single rectangular piece of flexible ballistic fabric. The fabric is folded around one horizontally exposed side of the sleeve, with loose ends at the opposite long edge coupled together using fasteners. The first and second long edges are spaced from the horizontally exposed sides of the sleeve.
Claim 10 introduces a system for attenuating blast effects around a power line, consisting of an implosion sleeve or dead-end sleeve with horizontally exposed sides and an implosion shield made of flexible ballistic fabric. The shield is mounted over the sleeve, surrounding its exposed sides during detonation.
Claim 15 highlights the use of auxetic ballistic fabric in the shield. This fabric is made of core fibers wrapped in wrap fibers, and when the implosion shield is mounted over the sleeve, the detonation tensions the core fibers, causing auxetic expansion of the fabric. This expansion temporarily opens gas venting apertures in the fabric, allowing for the partial venting of explosion gases.
Overall, this patent describes a pliable implosion shield and a system for attenuating blast effects around power lines. The shield, made of flexible ballistic fabric, effectively contains the blast intensity within an envelope formed around the installed sleeve. The use of auxetic ballistic fabric further enhances the shield's ability to vent explosion gases.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
