This is our latest selection of worldwide publications and patents in english on Fire Resistance, between many scientific online journals, classified and focused on fire resistance, fire-rated, fire-rating, fire resistance, firestop, fire damper, fire barrier, fire-rat, fire rat and intumescent Beschichtung.
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Cast-in-place through-penetration firestop device
Patent published on the 2025-05-21 in EP under Ref EP4556772 by HILTI AG [LI] (Tecson Joshua [us], Stroike Chad [us])
Abstract: A cast-in pass-through firestop device, comprising:a hollow tubular body comprising a first and a second overlapping tubular body part (10, 20);a bayonet locking mechanism, for adjusting the overlap, comprising:a key pin radially projecting from the first tubular body part,a key passage radially recessed in the second tubular body part,the key passage comprising at least two first sections being arranged in different planes perpendicular to the principal axis, and a second section arranged at le[...]
Our summary: Hollow tubular body with bayonet locking mechanism for adjusting overlap, sealing ring with sealing ridge, inlay made of intumescent firestop material.
firestop, cast-in-place, through-penetration, device
Patent
