WO2015038883A1 - Applicateur de couverture protectrice pour dispositifs électroniques - Google Patents

Applicateur de couverture protectrice pour dispositifs électroniques Download PDF

Info

Publication number
WO2015038883A1
WO2015038883A1 PCT/US2014/055380 US2014055380W WO2015038883A1 WO 2015038883 A1 WO2015038883 A1 WO 2015038883A1 US 2014055380 W US2014055380 W US 2014055380W WO 2015038883 A1 WO2015038883 A1 WO 2015038883A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective film
base
squeegee
electronic device
screen protector
Prior art date
Application number
PCT/US2014/055380
Other languages
English (en)
Inventor
Andrew Mason
Brandon Lambertson
Original Assignee
Eshields, Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eshields, Llc filed Critical Eshields, Llc
Publication of WO2015038883A1 publication Critical patent/WO2015038883A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/748—Releasability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment

Definitions

  • the present invention relates to protective coverings. More particularly, the present invention relates to protective coverings for the screen displays of electronic devices. Even more particularly, the present invention relates to an applicator for applying protective coverings to electronic device screens.
  • Portable electronic devices have proliferated in modern society. These devices include cellular telephones, digital music players, tablet computers, personal digital assistants, notebook computers and even electronic watches. Each of these devices typically has an electronic display in the form of a screen for displaying information. Often these screens are "touch" screens which act as a graphical interface.
  • 2012/0211171 disclose applicators for applying shields to electronic displays. Unfortunately, even these applicators are difficult to use and prone to failure. Accordingly, there is a need for an improved applicator for applying protective films to the displays of electronic devices.
  • the improved applicator would be inexpensive to manufacture and easy to use.
  • the improved applicator would firmly hold an electronic display in place while applying a protective film to the device's electronic display.
  • the present invention addresses the aforementioned disadvantages by providing an improved applicator for applying protective films to electronic device displays.
  • the applicator is provided in a kit form which is packaged to include each of the elements for applying a protective film.
  • the applicator includes a screen protector.
  • the term "screen protector” is often used to refer to a single sheet of film which has been applied to an electronic device's display.
  • the term "screen protector” is intended to refer to the protective film to be applied to an electronic device, as well as a back liner which covers the protective film's adhesive prior to application of the protective film to a display.
  • the preferred screen protector of the present invention includes three layers including a protective film, a back liner and a cap sheet.
  • the protective film is made of a clear plastic, preferably polyurethane, which is precut to cover the display of an electronic device such as a cellular telephone.
  • the screen protector's back liner is a flexible sheet of material, preferably also clear plastic, which covers the adhesive surface of the protective film.
  • the back liner may be adhered to the protective film using various adhesives known to those in the art. However, the back liner is loosely adhered to the protective film so as to allow the back liner to easily peel from the film layer while maintaining sufficient adhesive upon the protective film for the protective film to adhere to an electronic display.
  • the cap sheet loosely adheres and covers the protective film's upper surface so as to provide protection to the protective film.
  • the cap sheet is loosely adhered to the protective film so as to allow one to peelably remove the cap sheet from the protective film.
  • the cap sheet is adhered to the protective film in a manner so as to have lesser adherence to the protective film at the end wherein the cap sheet is intended to first peel away from the protective film than at the opposite end of the protective film.
  • the applicator of the present invention further includes a base having an upper surface and a pocket formed into the base's upper surface.
  • the pocket is sized to receive an electronic device and maintain the electronic device in a predetermined position and alignment with the electronic display positioned to face upwardly. Maintaining the electronic device in a proper position can be accomplished by sizing and shaping the pocket so as to snuggly receive the electronic device. Alternatively, various constructions such as pins or shoulders may be incorporated into the base's pocket to maintain the electronic device in a proper position and alignment.
  • the base includes a second pocket for receiving a squeegee.
  • the screen protector and its layers are described herein as having first and second ends.
  • the applicator's base is described herein as having first and second end.
  • the applicator is constructed so that the screen protector's first end is affixed to the base's first end in a manner that positions the screen protector to overly the base's pocket with the back liner adjacent to pocket; the protective film positioned above the back liner; and the cap sheet affixed above the protective film so as to sandwich the protective film between the back liner and cap sheet.
  • the cap sheet affixes to the base so as to position the protective film to overly and align with the display of an electronic device that has been positioned within the base's pocket.
  • the protective film and cap sheet include an edge portion which extends beyond the electronic display so as to also adhere to the base.
  • the applicator includes a squeegee having a substantially flat bottom surface and a laterally extending bore which forms a slot.
  • the slot is sized for receipt of the screen protector.
  • the slot is constructed to angle relative to the squeegee's bottom surface at an angle of less than 90°.
  • the squeegee slot is angled relative to the squeegee's bottom surface at between 28° and 48°.
  • the preferred angle between the squeegee's slot and the squeegee's bottom surface is 38°.
  • the applicator's base, screen protector and squeegee are prepackaged within traditional packaging such as a box, sleeve or plastic wrapping.
  • the screen protector is affixed to the base, and the squeegee is positioned with the base's second pocket.
  • the base is removed from the packaging.
  • the squeegee is removed from the base's second pocket.
  • the screen protector which overlies the base's first pocket, is folded backwardly more than 90° and an electronic device is placed within the base's first pocket with the electronic device's display positioned to face upwardly.
  • the screen protector While folded back, the screen protector is projected into the squeegee's slot in a manner that maintains the squeegee's bottom surface parallel to the electronic device, and the squeegee is slid downwardly while receiving the screen protector until the squeegee's bottom surface engages the base.
  • the protective film peels away from the screen protector's back liner.
  • the squeegee is slid across the base's upper surface and the electronic device's display so as to cause the back liner to peelably disengage from the protective film while simultaneously forcing the protective film to engage and adhere to the electronic device's display.
  • the squeegee will also simultaneously squeeze out air bubbles between the protective film and electronic device display.
  • an individual removes the cap sheet from the protective film by simply peeling the cap sheet from the protective film which has been affixed to an electronic device.
  • the cap sheet is peeled away from the protective film at an end wherein the adhesive provides less adhesion than the other end.
  • This change in adhesion can be accomplished those skilled in the art. For example, lesser or more adhesive may be applied between the cap sheet and protective film at their respective ends so as to cause a greater adhesion at one end of the cap sheet than the other. Alternatively, different adhesives having different adhesive properties may be employed to vary the adhesion between the protective film and cap sheet.
  • an object of the present invention to provide an applicator which can be packaged in kit form for use by non-professionals to apply electronic devices at their homes or businesses.
  • FIG. 1 is a perspective view of the applicator of the present invention
  • FIG. 2 is a perspective view of the applicator of the present invention illustrating insertion of an electronic device into the base's pocket
  • FIG. 3 is a perspective view of the applicator of the present invention illustrating the folding back of the screen protector
  • FIG. 4 is a perspective view of the applicator of the present invention illustrating the insertion of the screen protector into the squeegee's slot
  • FIG. 5 is a perspective view of the applicator of the present invention illustrating the insertion of the screen protector into the squeegee's slot until the squeegee has engaged the applicator's base;
  • FIG. 6 is a perspective view of the applicator of the present invention illustrating the squeegee and screen protector having been folded back away from the face of an electronic device and upper surface of the base;
  • FIG. 7 is a perspective view of the applicator of the present invention illustrating the squeegee being slid across the face of an electronic device and upper surface of the base to remove the screen protector's back liner;
  • FIG. 8 is an additional perspective view of the applicator of the present invention illustrating the squeegee being slid across the face of an electronic device and upper surface of the base to remove the screen protector's back liner;
  • FIG. 9 is a perspective view of the applicator of the present invention illustrating the back liner having been removed from the protective film;
  • FIG. 10 is a perspective view of the applicator of the present invention illustrating the cap sheet being removed from the protective film
  • FIG. 11 is a perspective view of the applicator of the present invention illustrating the cap sheet having been removed from the protective film;
  • FIG. 12 is a perspective view of the applicator of the present invention illustrated holding an electronic device with a newly applied protective film;
  • FIG. 13 is a perspective view an electronic device with a newly applied protective film
  • FIG. 14 is a cut away view illustrating the back liner peeling from the protective film
  • FIG. 15 is a close-up cut away view of the applicator in FIG. 14 illustrating the back liner peeling from the protective film; and
  • FIG. 16 is a perspective view of screen protector of the present invention illustrating its three components including a cap sheet, protective film, and back liner.
  • the present invention is an applicator 1 for applying a protective film 27 to an electronic device's display 83.
  • the applicator 1 is provided in a kit form including each of the components in a prepackaged format.
  • the applicator's primary components include a base 5, a screen protector 21, and a squeegee 55.
  • the base 5 is preferably elongate to form a first end 7, a second end 9, and an upper surface 11.
  • the base 5 further includes a first pocket 13 formed into the base's upper surface 11.
  • the first pocket 13 may be constructed in various shapes and sizes depending on the electronic device 81 intended to be placed in such pocket.
  • the base 5 also has a second pocket 15 for receiving a squeegee 55.
  • the base 5 is preferably made of foam which is sufficiently soft to accept an electronic device 81 into its first pocket 13 without scratching, marring or otherwise damaging the electronic device while also affixing an electronic device in place so as to prevent movement of the phone.
  • the base's first pocket 13 is sized to provide a slight press-fit to an electronic device within the pocket.
  • the base may be manufactured by various manufacturing techniques known to those skilled in the art.
  • the base is manufactured in three layers including a bottom layer of foam, a second middle layer of dye cut foam wherein cavities have been created to form the first pocket 13 and second pocket 15.
  • the base has an upper layer of polyvinyl chloride to provide a smooth rigid surface.
  • the applicator's screen protector 21 preferably includes three layers of clear plastic 25. As illustrated in FIG. 16, the screen protector 21 includes a protective film 27 sandwiched between a back liner 33 and a cap sheet 41.
  • the protective film 27 is preferably made of polyurethane which may include various additives such a for ultraviolet (UV) protection or bacteriacidal capabilities.
  • the protective film 27 has a lower adhesive side 29 intended to affix to an electronic device display 83 and an upper exterior surface 31 for protecting an electronic device.
  • the screen protector's back liner 33 has a lower side 37 and an adhesive side 35 which loosely adheres to the protective films adhesive side 29.
  • the third layer of the protective film 27 is the cap sheet 41.
  • the cap sheet 41 has a lower adhesive side 43 which loosely adheres to the protective films upper exterior surface 31.
  • the cap sheet 41 also includes an exterior side 45.
  • the screen protector's first end 23 is affixed to the base's first end 7 so as to allow the screen protector to overlie the base's first pocket 13.
  • the screen protector 21 is affixed to the base by providing one or more layers of the screen protector with an edge portion 39 which extends to cover and adhere to the base's upper surface 11 at its first end 7.
  • each of these layers include "kiss cuts". The kiss cut through the protective film allows the portion of protective film, which is intended to adhere to an electronic device display 83, to separate from the protective film's tab 39.
  • the back liner 33 includes a kiss cut so as to allow the back liner to crack and tear from the screen protector's tab 39.
  • a "kiss cut” is a cutting of material, typically through a dye cut, to extend partially but not all the way through a material.
  • the protective film 27 include a kiss cut which extends 95% of the way through the protective film layer.
  • the back liner 33 is cut completely from the screen protector's edge portion 39 so as to allow it to more easily separate and peel from the protective film 27.
  • the screen protector's tab 39 may include alignment holes for properly aligning the screen protector upon the base 5 during the manufacturing process.
  • the applicator 1 of the present invention further includes a squeegee 55 which is preferably positioned within the base's second pocket 15.
  • the squeegee 55 has a substantially planar bottom surface 57.
  • the squeegee 55 includes a bore which laterally extends to form a slot 59.
  • the squeegee's slot 59 is angled relative to the squeegee's bottom surface 57.
  • the squeegee 55 includes an angled front side 61 forming the front side of the slot 59.
  • the bottom surface 57 includes a rounded edge where the squeegee's bottom surface interfaces with the slot 59.
  • the squeegee slot 59 is angled relative to the squeegee's bottom surface 57 at an angle 63 of less than 90°.
  • the squeegee slot is angled relative to the squeegee's bottom surface at between 28° and 48°, with the presently preferred angle at 38°.
  • the squeegee 55 may include finger recesses 67 sized for receiving a person's fingers to facilitate manipulation of the squeegee.
  • the screen protector 21 is folded backwardly to allow insertion of an electronic device 81 into the base's first pocket 13.
  • the electronic device is positioned within the first pocket 13.
  • the screen protector's second end is inserted and made to pass through the squeegee's slot 59.
  • the screen protector must be inserted into the squeegee's slot 59 so as to allow the squeegee's bottom surface 57 to engage the base's upper surface 11.
  • the screen protector 21 can be folded backwardly so as to not cover the electronic device 81 and the squeegee can be slid downwardly with the slot receiving the screen protector until the squeegee's bottom surface engages the base's upper surface 11 (see FIG. 5).
  • the screen protector may be positioned to overlie the base's first pocket 13, and the squeegee slot is made to receive the screen protector 21 with the squeegee positioned upside down with its bottom surface 57 facing upwardly.
  • the screen protector 21 is folded backwardly.
  • the screen protector's back liner 33 is made to crack and peel from the protective film 27.
  • the squeegee 55 is slid across the base's upper surface 11 and the electronic device's display 83 so as to cause the back liner 33 to peel away from the protective film 27.
  • the squeegee also forces out any bubbles between the protective film 27 and the electronic device's display 83.
  • the cap sheet 41 is removed from the protective film by simply peeling one end of the cap sheet 41 away from the protective film 27 until the cap sheet has been completely removed.
  • the cap sheet 41 includes a tab 47 located at the screen protector's second end 25 which provides one with the ability to firmly grip the cap sheet for its removal.
  • the cap sheet 41 is adhered to the protective film 27 with an adhesive 49 which provides less adhesion between the cap sheet 41 and protective film 27 at the end where one first grasps the cap sheet 41 to affect its removal from the protective film.
  • the change in adhesion may be accomplished by various means known to those skilled in the art including the use of lesser or more adhesive at different locations or the use of different adhesives between the protective film and cap sheet. (See FIG. 16).
  • the adhesion as measured by pull strength between the protective film 27 and cap sheet 41, is between 10% - 90% at one end of the screen protector as compared to the other end. More preferably, the adhesion is 30%> - 50%> at one end of the screen protector as compared to the other.
  • the difference in adhesion changes in at least one gradient, and more preferably in a plurality of gradients, and still more preferably gradually and uniformly from one end of the screen protector to the other.

Landscapes

  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un applicateur destiné à l'application de films protecteurs sur des écrans de dispositifs électroniques. L'applicateur comprend une base, un protecteur d'écran et une raclette. La base comprend une poche destinée à recevoir un dispositif électronique. Le protecteur d'écran est apposé sur la base de sorte à recouvrir le dispositif électronique. Le protecteur d'écran comporte de préférence trois couches comprenant un film protecteur, une feuille de finition et une doublure arrière. La raclette est conçue pour retirer la doublure arrière et pour simultanément apposer le film protecteur sur le dispositif électronique.
PCT/US2014/055380 2013-09-12 2014-09-12 Applicateur de couverture protectrice pour dispositifs électroniques WO2015038883A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361876935P 2013-09-12 2013-09-12
US61/876,935 2013-09-12

Publications (1)

Publication Number Publication Date
WO2015038883A1 true WO2015038883A1 (fr) 2015-03-19

Family

ID=52666311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/055380 WO2015038883A1 (fr) 2013-09-12 2014-09-12 Applicateur de couverture protectrice pour dispositifs électroniques

Country Status (1)

Country Link
WO (1) WO2015038883A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018177590A1 (fr) * 2017-03-27 2018-10-04 Schwenke Christopher Dispositif et procédé d'application de films protecteurs
CN110591575A (zh) * 2019-09-09 2019-12-20 深圳市方胜光学材料科技有限公司 一种保护膜、电子设备屏膜的贴膜装置及其贴膜方法
CN111791473A (zh) * 2020-06-23 2020-10-20 深圳橙子自动化有限公司 贴膜机
EP3800044A4 (fr) * 2018-11-14 2021-09-01 Jiangmen Iguarder Electronic Co., Ltd. Film protecteur et procédé de pelage d'une couche de séparation de celui-ci
US20220388233A1 (en) * 2013-08-08 2022-12-08 Belkin International, Inc. Overlay applicator tray and method of using the same
US11745487B1 (en) 2022-05-16 2023-09-05 Dongguan Pineapple Protection Co., Ltd. Sticking film, a film-sticking tool and a film-sticking assembly

Citations (3)

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Publication number Priority date Publication date Assignee Title
US20090186181A1 (en) * 2008-01-18 2009-07-23 Power Support Co., Ltd. Screen Protector Film with Particulate Removal Means and Method of Applying the Same
US20110267793A1 (en) * 2010-03-12 2011-11-03 Rmd Intellectual Properties Llc Protective Adhesive Film, Method of Adhering Protective Adhesive Film to a Device, and Device Comprising Protective Adhesive Film
US8393377B2 (en) * 2011-02-18 2013-03-12 Superior Communications, Inc. Protective material applicator device

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US20090186181A1 (en) * 2008-01-18 2009-07-23 Power Support Co., Ltd. Screen Protector Film with Particulate Removal Means and Method of Applying the Same
US20110267793A1 (en) * 2010-03-12 2011-11-03 Rmd Intellectual Properties Llc Protective Adhesive Film, Method of Adhering Protective Adhesive Film to a Device, and Device Comprising Protective Adhesive Film
US8393377B2 (en) * 2011-02-18 2013-03-12 Superior Communications, Inc. Protective material applicator device

Non-Patent Citations (1)

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Title
GRAINGER: "Non Absorbent Roller Squeegee, 36 In.", 3 July 2011 (2011-07-03), Retrieved from the Internet <URL:http://www.grainger.com/product/TOUGH-GUY-Non-Absorbent-Roller-Squeegee-3PCA1> [retrieved on 20141126] *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220388233A1 (en) * 2013-08-08 2022-12-08 Belkin International, Inc. Overlay applicator tray and method of using the same
US11772320B2 (en) * 2013-08-08 2023-10-03 Belkin International, Inc. Overlay applicator tray and method of using the same
WO2018177590A1 (fr) * 2017-03-27 2018-10-04 Schwenke Christopher Dispositif et procédé d'application de films protecteurs
EP3800044A4 (fr) * 2018-11-14 2021-09-01 Jiangmen Iguarder Electronic Co., Ltd. Film protecteur et procédé de pelage d'une couche de séparation de celui-ci
US11541632B2 (en) 2018-11-14 2023-01-03 Jiangmen Iguarder Electronic Co., Ltd. Protective film and method for peeling release layer thereof
CN110591575A (zh) * 2019-09-09 2019-12-20 深圳市方胜光学材料科技有限公司 一种保护膜、电子设备屏膜的贴膜装置及其贴膜方法
CN111791473A (zh) * 2020-06-23 2020-10-20 深圳橙子自动化有限公司 贴膜机
CN111791473B (zh) * 2020-06-23 2021-07-23 深圳橙子自动化有限公司 贴膜机
US11745487B1 (en) 2022-05-16 2023-09-05 Dongguan Pineapple Protection Co., Ltd. Sticking film, a film-sticking tool and a film-sticking assembly

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