# US 2014/0151968 A1 · Coiled precompressed, precoated joint seal and method of making

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- Number: US 2014/0151968 A1
- Document ID: US20140151968A1
- Status: Published application
- Kind: A1
- Application number: 14/084,930
- Filed: 2013-11-20
- Published: 2014-06-05
- Earliest claimed: 2012-11-21
- Assignees: Emseal Joint Systems Ltd.
- Inventors: Lester Hensley; William Witherspoon
- Web page: https://patentgrep.com/patent/US20140151968A1

## CPC

- F16J 15/022: {characterised by structure or material}
- B29C 43/02: of articles of definite length, i.e. discrete articles {(B29C35/0227 takes precedence)}
- E04B 1/6812: {Compressable seals of solid form}
- F16J: PISTONS {(specially adapted for dampers F16F9/32)}; CYLINDERS; SEALINGS
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- E04B: GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS (border constructions of opening in walls, floors or ceilings E06B1/00; {electromagnetic shielding H05K9/0001})

## Abstract

Disclosed is a water tight joint sealing system comprising a coiled, coated precompressed core material.

## Claims

### Claim 1

A water resistant precompressed joint system comprising:
a pre-compressed, coated core material wound onto a spool,
a top coat on said core of an elastomeric water proofing material formed into an arched, or a bullet profile transverse to the direction of compression of the foam; and
a liner configured to hold the compressed foam, and transverse elastomer arch in place, and at the desired compression.

### Claim 2 (depends on 1)

The water resistant precompressed joint system of claim 1, wherein said top coat is formed mechanically or manually into the transverse arched or bullet shape.

### Claim 3 (depends on 2)

The water resistant precompressed joint system of claim 2, wherein a bottom coat is formed mechanically or manually into a transverse arched or bullet shape thereby creating a substantially symmetrical shape.

### Claim 4 (depends on 3)

The water resistant precompressed joint system of claim 3, further comprising impregnation of a fire retardant material into the core composition thereby forming a water and fire resistant expansion joint system.

### Claim 5 (depends on 4)

The system of claim 4, wherein the top coat and/or the bottom coat is a fire barrier sealant.

### Claim 6

A method of making a water resistant precompressed joint system comprising:
coating a core material with a water resistant elastomer to form a coated sheet;
cutting the coated sheet into a strip;
forming the strip into an arched profile; and
compressing the arch strip.