Block for fire and smoker along a barrier penetrating member
OwnerMichael Peter Sakno, Walter Milaniinventors
Life of this patent
Estimating the term…
Abstract
A fire and smoke block for use with a barrier penetrating member is formed by a rigid collar which is fittable over a lockable on the penetrating member and a collar lining which is make from intumescent material which rapidly expands when subjected to fire heat.
Claims7
A method of blocking fire and smoke along a penetrating member fitted through a passage in a barrier, said method comprising fitting a rigid collar over the penetrating member proximate the barrier, locking the collar to the penetrating member and placing intumescent material between the collar and the barrier in a position when the intumescent material, if subject to fire heat, expands and seals off the passage between the barrier and the penetrating member.
Fire and smoke blocking means for use with a barrier penetrating member, said means comprising a rigid collar which is fittable over and lockable on the penetrating member, and collar backing means which is made from intumescent material.
Dependencies are inferred from the claim text.