# US 2024/0381968 A1 · Adhesive mountable stack of removable layers

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- Number: US 2024/0381968 A1
- Document ID: US20240381968A1
- Status: Published application
- Kind: A1
- Application number: 18/787,769
- Filed: 2024-07-29
- Published: 2024-11-21
- Earliest claimed: 2014-06-17
- Assignees: Laminated Film LLC
- Applicants: Laminated Film LLC
- Inventors: Bart E. Wilson
- Web page: https://patentgrep.com/patent/US20240381968A1

## CPC

- A42B 3/26: with cleaning means, e.g. wipers {; Movable or interchangeable vision films or sheets}
- A61F 9/025: {Special attachment of screens, e.g. hinged, removable; Roll-up protective layers}
- A61F 9/045: {Eye-shades or visors; Shields beside, between or below the eyes (caps with means for protecting the eyes A42B1/018)}
- B32B 7/023: Optical properties
- B32B 27/08: of synthetic resin
- B32B 27/365: {comprising polycarbonates}
- B32B 7/06: permitting easy separation
- B32B 7/12: using interposed adhesives or interposed materials with bonding properties
- B32B 2250/244: All polymers belonging to those covered by group B32B27/36
- B32B 2307/412: Transparent
- B32B 2307/418: Refractive
- B32B 2367/00: Polyesters, e.g. PET, i.e. polyethylene terephthalate
- C09J 7/30: characterised by the adhesive composition
- C09J 133/12: Homopolymers or copolymers of methyl methacrylate
- Y10T 428/14: Layer or component removable to expose adhesive
- A42B: HATS; HEAD COVERINGS (headbands A41D20/00; head-scarves A41D23/00)
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

An eye protector includes a lens configured to protect the wearer from projectiles, and an optically clear stack attached to the lens. The stack can have one or more removable layers. The eye protector also includes an optically clear dry mount adhesive layer attaching the stack to the lens. The dry mount adhesive may be self-wetting to attach the stack to the lens so that air between the stack and the lens can be removed after the stack is attached and/or adhered to the lens, for example, by applying pressure across the surface of the stack. The refractive indices of the lens, the dry mount adhesive, and each removable layer are matched to within about 0.2.

## Claims

### Claim at position 1

1-20. (canceled)

### Claim 21

A method comprising:
providing a stack of at least one optically transparent removable layer; and
attaching the stack to a surface using an optically transparent dry mount adhesive layer applied to the stack, the dry mount adhesive layer forming a continuous and uninterrupted adhesive surface configured to have a refractive index that is matched to within 0.2 of a refractive index of the at least one optically transparent removable layer.

### Claim 22 (depends on 21)

The method of claim 21, wherein the stack comprises a plurality of removable layers, each of the removable layers attached to at least one other removable layer with an optically transparent stack adhesive layer.

### Claim 23 (depends on 22)

The method of claim 22, wherein the dry mount adhesive layer and each stack adhesive layer are the same type of adhesive.

### Claim 24 (depends on 22)

The method of claim 22, wherein each stack adhesive layer has a stack adhesive refractive index, each removable layer has a removable layer refractive index, and each removable layer refractive index and each stack adhesive refractive index are matched to within 0.2.

### Claim 25 (depends on 22)

The method of claim 22, wherein opposed outer portions of each removable layer form a stepped configuration that facilitates gripping of an uppermost removable layer of the stack.

### Claim 26 (depends on 22)

The method of claim 22, wherein the dry mount adhesive layer provides a peel strength between the stack and the surface that is greater than a peel strength between each removable layer of the stack.

### Claim 27 (depends on 26)

The method of claim 26, wherein the peel strength provided by the dry mount adhesive layer is twice the peel strength between each removable layer of the stack.

### Claim 28 (depends on 21)

The method of claim 21, wherein the material of the dry mount adhesive layer is configured to have a haze level less than 1.0%.

### Claim 29 (depends on 21)

The method of claim 21, wherein the material of the dry mount adhesive layer is configured to have a light transmission value greater than 99%.

### Claim 30 (depends on 21)

The method of claim 21, wherein the dry mount adhesive layer is between 10 and 20 microns thick.

### Claim 31

A method of attaching a surface protector to a clear surface, the method comprising:
providing a plurality of removable layers arranged in a stack having a lower surface positionable adjacent the clear surface, each of the removable layers being optically transparent and having a removable layer refractive index;
providing at least one intermediate adhesive layer being optically transparent and being interposed between adjacent ones of the plurality of removable layers, each of the at least one intermediate adhesive layer having a stack adhesive refractive index that is matched to within 0.2 of the removable layer refractive index of each removable layer; and
attaching the stack to the clear surface using a lower surface dry mount adhesive layer that is optically transparent and applied to the lower surface of the stack to form a continuous and uninterrupted adhesive surface, the lower surface dry mount adhesive layer comprising a material having a refractive index that is matched to within 0.2 of the removable layer refractive index of each removable layer and to within 0.2 of the stack adhesive refractive index of each intermediate adhesive layer.

### Claim 32 (depends on 31)

The method of claim 31, wherein opposed outer portions of each removable layer form a stepped configuration that facilitates gripping of an uppermost removable layer of the stack.

### Claim 33 (depends on 31)

The method of claim 31, wherein the lower surface dry mount adhesive layer and the at least one intermediate adhesive layer are the same type of adhesive.

### Claim 34 (depends on 31)

The method of claim 31, wherein the lower surface dry mount adhesive layer provides a peel strength between the stack and the clear surface that is greater than a peel strength provided by the at least one intermediate adhesive layer.

### Claim 35 (depends on 34)

The method of claim 34, wherein the peel strength provided by the lower surface dry mount adhesive layer is twice the peel strength provided by the at least one intermediate adhesive layer.

### Claim 36 (depends on 31)

The method of claim 31, wherein the material of the lower surface dry mount adhesive layer is configured to have a haze level less than 1.0%.

### Claim 37 (depends on 31)

The method of claim 31, wherein the material of the lower surface dry mount adhesive layer is configured to have a light transmission value greater than 99%.

### Claim 38 (depends on 31)

The method of claim 31, wherein the lower surface dry mount adhesive layer is between 10 and 20 microns thick.

### Claim 39

A method of attaching a surface protector to a clear surface, the method comprising:
providing a plurality of optically transparent removable layers arranged in a stack with an adhesive layer interposed between adjacent removable layers; and
attaching the stack to the clear surface using a dry mount adhesive layer that is optically transparent and applied to a lower surface of the stack to form a continuous and uninterrupted adhesive surface, the dry mount adhesive layer comprising a material having a refractive index that is matched to within 0.2 of a refractive index of each removable layer.

### Claim 40 (depends on 39)

The method of claim 39, wherein the dry mount adhesive layer and the adhesive layer interposed between adjacent removable layers are the same type of adhesive.
