# US 2025/0017330 A1 · Waterproof Fastener Tape

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- Number: US 2025/0017330 A1
- Document ID: US20250017330A1
- Status: Published application
- Kind: A1
- Application number: 18/770,903
- Filed: 2024-07-12
- Published: 2025-01-16
- Earliest claimed: 2023-07-14
- Assignees: YKK Corporation
- Applicants: YKK Corporation
- Inventors: Aakash Watts
- Web page: https://patentgrep.com/patent/US20250017330A1

## CPC

- A44B 19/32: Means for making slide fasteners gas or watertight
- A44B 19/16: Interlocking member having uniform section throughout the length of the stringer {(for sacks or bags B65D33/2508)}
- A44B: BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE (fastenings specially adapted for footwear A43C)

## Abstract

There is provided a waterproof fastener tape. The water proof fastener tape includes: a waterproof diaphragm including a transparent layer and a colored layer laminated below the transparent layer; an adhesive layer laminated below the colored layer; and a fastener tape body disposed below the colored layer of the waterproof diaphragm through the adhesive layer.

## Claims

### Claim 1

A waterproof fastener tape, comprising:
a waterproof diaphragm comprising a transparent layer and a colored layer laminated below the transparent layer;
an adhesive layer laminated below the colored layer; and
a fastener tape body disposed below the colored layer of the waterproof diaphragm through the adhesive layer.

### Claim 2 (depends on 1)

The waterproof fastener tape according to claim 1, wherein each of the waterproof diaphragm and the adhesive layer is made of a water-based material.

### Claim 3 (depends on 1)

The waterproof fastener tape according to claim 1, wherein the waterproof diaphragm is disposed to produce a coloring gradation at a boundary between the transparent layer and the colored layer.

### Claim 4 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the waterproof diaphragm is 1/21 or more and 1/11 or less of a thickness of the waterproof fastener tape.

### Claim 5 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the waterproof diaphragm is 30 μm or more and 60 μm or less.

### Claim 6 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the colored layer is equal to or greater than a thickness of the transparent layer.

### Claim 7 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the colored layer is 1/32 or more and 1/16 or less of a thickness of the waterproof fastener tape.

### Claim 8 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the colored layer is 20 μm or more and 40 μm or less.

### Claim 9 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the transparent layer is 1/128 or more and 1/32 or less of a thickness of the waterproof fastener tape.

### Claim 10 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the transparent layer is 5 μm or more and 20 μm or less.

### Claim 11 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the adhesive layer is ⅕ or more and ¼ or less of a thickness of the waterproof fastener tape.

### Claim 12 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the adhesive layer is 120 μm or more and 160 μm or less.

### Claim 13 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the adhesive layer is 2 or more times and 5 or less times a thickness of the waterproof diaphragm.

### Claim 14 (depends on 1)

The waterproof fastener tape according to claim 1, wherein a thickness of the waterproof fastener tape is 600 μm or more and 700 μm or less.

### Claim 15 (depends on 1)

The waterproof fastener tape according to claim 1, wherein the fastener tape body is provided with elements, and the elements and the waterproof diaphragm are disposed on opposite sides of the fastener tape body.

### Claim 16

A manufacturing method of a waterproof fastener tape, the waterproof fastener tape including: a waterproof diaphragm including a transparent layer and a colored layer laminated below the transparent layer; an adhesive layer laminated below the colored layer;
and a fastener tape body disposed below the colored layer of the waterproof diaphragm through the adhesive layer, the manufacturing method comprising:
providing the colored layer on the transparent layer, when the transparent layer is still in a semi-dry state.