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US 9,803,357 B1Granted
Expansion joint seal system providing fire retardancy
AssigneeSchul International Company, LLC
InventorSteven R. Robinson
Life of this patent
Estimating the term…
Abstract
The present disclosure relates generally to systems for providing a durable water-resistant and fire-resistant foam-based seal in the joint between adjacent panels. A fire-resistant and water-resistant expansion joint seal is provided which includes one or more foam members and a plurality of intumescent members interspersed within the foam member or members to provide a spring recovery force and fire resistance.
Claims28
A fire-resistant and water-resistant expansion joint seal, comprising:
- a plurality of foam members,
- each of the plurality of foam members having a foam length;
- each of the plurality of foam members having a foam width;
- and
- a plurality of intumescent members,
- each of the plurality of intumescent members having an intumescent width;
- the foam width of the narrowest of the plurality of foam members being at least five times the intumescent width of the narrowest of the plurality of intumescent members;
- each of the plurality of intumescent members having a lateral cross section, each of the lateral cross sections presenting a wave-like profile;
- each of the plurality of intumescent members having an intumescent member spring force;
- each of the plurality of intumescent members interspersed between two of the plurality of foam members.
7 more elements
A fire-resistant and water-resistant expansion joint seal (100), comprising:
- a foam member,
- the foam member having a foam length;
- the foam member having a foam width;
- and
- the foam member having a foam height;
- a plurality of intumescent members,
- each of the plurality of intumescent members having an intumescent width;
- each of the plurality of intumescent members having a lateral cross section, the lateral cross section presenting a wave-like profile;
- each of the plurality of intumescent members having an intumescent member height the foam height being not less than the intumescent member height each of the plurality of intumescent members having an intumescent member spring force
- each of the plurality of intumescent members interspersed within the foam member;
- each of the plurality intumescent members adhered to the foam member.
8 more elements
Dependencies are inferred from the claim text.