# US 10,246,802 B2 · Fabric for roofing membrane having edge made of low-melting yarn

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- Number: US 10,246,802 B2
- Document ID: US10246802B2
- Status: Granted
- Kind: B2
- Application number: 15/915,424
- Filed: 2018-03-08
- Published: 2018-11-29
- Granted: 2019-04-02
- Earliest claimed: 2017-05-24
- Assignees: Booyoung Textile Co., Ltd; Il Hwan Jeong
- Applicants: Booyoung Textile Co.,Ltd; Il Hwan Jeong
- Inventors: Il Hwan Jeong
- Web page: https://patentgrep.com/patent/US10246802B2

## CPC

- D03D 1/00: Woven fabrics designed to make specified articles
- D03D 13/002: {With diagonal warps or wefts}
- D03D 15/283: synthetic polymer-based, e.g. polyamide or polyester fibres (cellulose-based artificial fibres D03D15/225)
- D03D 15/573: Tensile strength
- D03D 15/587: adhesive; fusible
- D06C 25/00: Treating selvedges or other edges, e.g. stiffening
- D06C 29/00: Finishing or dressing, of textile fabrics, not provided for in the preceding groups
- D10B 2331/04: polyesters, e.g. polyethylene terephthalate [PET]
- D10B 2401/02: Moisture-responsive characteristics
- D10B 2401/041: thermoplastic; thermosetting
- D10B 2505/00: Industrial
- E04D 5/10: by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
- D03D: WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D06C: FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D10B: INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- E04D: ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS (coverings of outer walls by plaster or other porous material E04F13/00)

## Abstract

Disclosed is a fabric for a roofing membrane adapted to waterproof a roof of a building, the fabric including: warp and weft yarns laid on each other on the front and back sides thereof in such a manner as to have numbers and lengths corresponding to an area of the fabric; ground yarns wound around one side warp yarn and the other side warp yarn in a zigzag form in such a manner as to interlace the weft yarn; and finishing yarns arranged on edges thereof to allow the ground yarns to be arranged therebetween, upper loops and lower loops being formed alternately on the warp yarns where the ground yarns, the finishing yarns, or the ground yarn and the finishing yarn are laid on each other.

## Claims

### Claim 1

A fabric for a roofing membrane adapted to waterproof a roof of a building, the fabric comprising:
warp and weft yarns laid on each other on a front side and a back side thereof in such a manner as to have numbers and lengths corresponding to an area of the fabric, the warp and weft yarns being of a polyethylene terephthalate material of between 800 and 1500 deniers;
ground yarns wound around one side of the warp yarn and around another side of the warp yarn in a zigzag form in such a manner as to interlace the weft yarn, the ground yearns being of a polyethylene terephthalate material of between 50 and 100 deniers; and
finishing yarns arranged on edges thereof to allow the ground yarns to be arranged therebetween, upper loops and lower loops being formed alternately on the warp yarns where the ground yarns, the finishing yarns, or the ground yarn and the finishing yarn are laid on each other,
wherein the finishing yarns are melted by ultrasonic waves and are fixedly attached to the warp and weft yarns, wherein the warp and weft yarns and the ground yarns protruding from the melted finishing yarns are cut.

### Claim 2 (depends on 1)

The fabric of claim 1, wherein each of the finishing yarn is a low-melting point yarn comprising 99.85% by weight of polyethylene terephthalate and 0.15% by weight of titanium dioxide and having a melting point of 110 to 180° C. and 30 to 500 deniers.

### Claim 3 (depends on 1)

The fabric of claim 1, wherein in a process where waterproofing layers are formed on top and underside of the fabric, the fabric is conveyed arrangedly by means of the finishing yarns fixedly attached to the edges thereof.