TW201915263A - A manufacturing method for paper molding protective shell of mobile devices - Google Patents

A manufacturing method for paper molding protective shell of mobile devices Download PDF

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Publication number
TW201915263A
TW201915263A TW106134831A TW106134831A TW201915263A TW 201915263 A TW201915263 A TW 201915263A TW 106134831 A TW106134831 A TW 106134831A TW 106134831 A TW106134831 A TW 106134831A TW 201915263 A TW201915263 A TW 201915263A
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TW
Taiwan
Prior art keywords
paper
mobile device
plastic protective
manufacturing
protective shell
Prior art date
Application number
TW106134831A
Other languages
Chinese (zh)
Inventor
周明傳
Original Assignee
彩勝股份有限公司
周子晏
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Publication date
Application filed by 彩勝股份有限公司, 周子晏 filed Critical 彩勝股份有限公司
Priority to TW106134831A priority Critical patent/TW201915263A/en
Priority to US15/803,895 priority patent/US20190106844A1/en
Priority to CN201711423090.5A priority patent/CN109653033A/en
Publication of TW201915263A publication Critical patent/TW201915263A/en

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D21J3/10—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of hollow bodies
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)

Abstract

A manufacturing method for paper molding protective shell of mobile devices is disclosed. The process includes choosing a paper material, adding water into the paper material for stirring and dissolving to become a paper pulp. The process continues by applying a mold into the paper pulp with pressure to form a shell object, and then let the shell object leaving from the mold for drying. The process further comprises an appearance coloring treatment in the outer surface of the shell object. The shell object completed with an appearance coloring treatment is called a final product. The final product is known as a paper molding protective shell of mobile devices, which offer a connection with a mobile device. Thus, by using recycling paper materials for the manufacturing raw materials of paper molding protective shell in mobile devices, it prevents our environment from pollution and reaches the purpose of environmental recycling.

Description

行動裝置之紙塑保護殼製造方法Paper plastic protective shell manufacturing method of mobile device

本發明為一種行動裝置之紙塑保護殼製造方法，尤其是指一種利用回收紙材作為行動裝置保護殼的製造原料，以達到環保回收再使用，且不會造成環境污染之行動裝置之紙塑保護殼製造方法。The invention relates to a method for manufacturing a paper-plastic protective shell of a mobile device, in particular to a paper-making device for using a recycled paper as a protective material for a protective device to achieve environmental protection, recycling and use, and which does not cause environmental pollution. Protective shell manufacturing method.

按，現今人們普遍使用智慧型手機或平板電腦在日常生活中，為了保護智慧型手機或平板電腦的外殼不被刮傷或撞擊破壞，會在智慧型手機或平板電腦的外殼結合一行動裝置保護殼。According to the current situation, people generally use smart phones or tablets in their daily lives. In order to protect the outer casing of smart phones or tablets from being scratched or damaged by impact, they will be protected by a mobile device in the outer casing of a smart phone or tablet. shell.

然，習用行動裝置保護殼的材質大部份為塑膠製，塑膠製的行動裝置保護殼雖然方便廠商大量製造，製造成本也低，但大量的塑膠製的行動裝置保護殼拋棄後，不利於大自然土壤的分解，且容易造成環境的污染，也因此造成環保回收的問題，尤其現今環保意識逐漸抬頭，如能夠使用環保可回收再利用的材質製作該行動裝置保護殼，可避免增加環境的污染及破壞。However, the material of the protective device of the conventional mobile device is mostly made of plastic. The plastic protective cover of the mobile device is convenient for manufacturers to manufacture in large quantities, and the manufacturing cost is low. However, a large number of plastic mobile device protective shells are discarded, which is not conducive to large The decomposition of natural soil is easy to cause environmental pollution, which also causes environmental recycling. In particular, environmental awareness is gradually rising. If the environmental protection recyclable material can be used to make the protective casing of the mobile device, it can avoid increasing environmental pollution. And destruction.

有鑑於此，本發明人乃潛心研思、設計組製，期能提供一種行動裝置之紙塑保護殼製造方法，提供回收紙材作為行動裝置保護殼的製造原料，以達到環保回收再使用，且不會造成環境污染，即為本發明所欲研創之創作動機。In view of this, the present inventors have devoted themselves to research and design, and have been able to provide a paper-plastic protective shell manufacturing method for a mobile device, and provide recycled paper as a manufacturing material for a protective device protective shell to achieve environmentally friendly recycling and reuse. It does not cause environmental pollution, which is the creative motive for the invention.

本發明之主要目的，在於提供一種行動裝置之紙塑保護殼製造方法，利用回收紙材作為行動裝置保護殼的製造原料，以達到環保回收再使用，且不會造成環境污染之目的。The main object of the present invention is to provide a method for manufacturing a paper-plastic protective shell of a mobile device, which utilizes recycled paper as a raw material for manufacturing a protective shell to achieve environmentally friendly recycling and reuse without causing environmental pollution.

為達上述目的，本發明之實施例為一種行動裝置之紙塑保護殼製造方法，其包括下列步驟：選擇一紙材，將該紙材加水攪拌融成一紙漿；使該紙漿經由一模具加壓成形一殼體，再將該殼體由該模具中脫離以進行烘乾；以及將該殼體之外表面進行一外觀上色處理，該殼體經由該外觀上色處理完成後即成為一成品；其中該成品係為一行動裝置之紙塑保護殼，該行動裝置之紙塑保護殼係提供結合一行動裝置使用。藉此，本發明行動裝置之紙塑保護殼使用紙塑材質作為行動裝置保護殼，以達到環保可回收再利用，又因為紙塑材質可自然分解不會造成環境污染，亦同時減少塑料的使用，避免行動裝置保護殼使用塑料材質而達到環境保護之目的。In order to achieve the above object, an embodiment of the present invention is a paper-plastic protective shell manufacturing method for a mobile device, comprising the steps of: selecting a paper material, stirring the paper material into a pulp; and pressing the pulp through a mold. Forming a casing, and then separating the casing from the mold for drying; and performing an external coloring process on the outer surface of the casing, the casing being finished as a finished product after the finishing process The finished product is a paper-plastic protective shell of a mobile device, and the paper-plastic protective shell of the mobile device is provided for use in conjunction with a mobile device. Thereby, the paper-plastic protective shell of the mobile device of the invention uses the paper-plastic material as the protective cover of the mobile device, so as to achieve environmentally-friendly and recyclable, and because the paper-plastic material can be naturally decomposed without causing environmental pollution, and at the same time reduce the use of plastics. To avoid the use of plastic materials for the protective device protective cover to achieve environmental protection.

承上所述之行動裝置之紙塑保護殼製造方法，其中該紙材之材質係選自於回收紙材。A method of manufacturing a paper-plastic protective casing of the mobile device, wherein the material of the paper is selected from recycled paper.

承上所述之行動裝置之紙塑保護殼製造方法，其中該模具加壓成形的方式係選自於一熱壓成形或一冷壓成形之其中任一者。The method for manufacturing a paper-plastic protective shell of the mobile device according to the above aspect, wherein the mold is press-formed in a manner selected from either a hot press forming or a cold forming.

承上所述之行動裝置之紙塑保護殼製造方法，其中該外觀上色處理方式係選自於利用一水轉印、一熱轉印、一熱昇華、一數位噴圖之其中任一者。The method for manufacturing a paper-plastic protective shell of the mobile device, wherein the appearance color processing method is selected from the group consisting of one water transfer printing, one thermal transfer, one thermal sublimation, and one digital spray pattern. .

承上所述之行動裝置之紙塑保護殼製造方法，其中該行動裝置係選自於：一手機、一平板電腦及一筆記型電腦之其中任一者。The method for manufacturing a paper-plastic protective case of the mobile device described above, wherein the mobile device is selected from the group consisting of: a mobile phone, a tablet computer, and a notebook computer.

承上所述之行動裝置之紙塑保護殼製造方法，其中該行動裝置之紙塑保護殼進一步更包括一片體，該片體係由該行動裝置之紙塑保護殼一側向外延伸，該片體與該行動裝置之紙塑保護殼之間設有多數折線，當翻折該些折線時，使該片體與該行動裝置之紙塑保護殼以翻折活動。The paper-plastic protective shell manufacturing method of the mobile device, wherein the paper-plastic protective shell of the mobile device further comprises a body, the sheet system extending outward from a side of the paper-protecting shell of the mobile device, the sheet A plurality of fold lines are disposed between the body and the paper-plastic protective shell of the mobile device, and when the fold lines are folded, the sheet body and the paper-plastic protective shell of the mobile device are folded and moved.

本「發明內容」係以簡化形式介紹一些選定概念，在下文之「實施方式」中將進一步對其進行描述。本「發明內容」並非意欲辨識申請專利之標的之關鍵特徵或基本特徵，亦非意欲用於限制申請專利之標的之範圍。This Summary of the Invention describes some of the selected concepts in a simplified form and is further described in the "Embodiment" below. This Summary is not intended to identify key features or essential features of the subject matter of the patent application, and is not intended to limit the scope of the patent application.

請參閱圖1所示，圖1為本發明行動裝置之紙塑保護殼製造方法之實施例流程示意圖，在實施例中，本發明行動裝置之紙塑保護殼製造方法，其步驟流程100包括下列步驟：選擇一紙材，將該紙材加水攪拌融成一紙漿；使該紙漿經由一模具加壓成形一殼體，再將該殼體由該模具中脫離以進行烘乾；以及將該殼體之外表面進行一外觀上色處理，該殼體經由該外觀上色處理完成後即成為一成品；其中該成品係為一行動裝置之紙塑保護殼20(請同參圖2及圖3)，該行動裝置之紙塑保護殼20係提供結合一行動裝置10(請同參圖2及圖3)使用。1 is a schematic flow chart of an embodiment of a method for manufacturing a paper-plastic protective casing of a mobile device according to the present invention. In an embodiment, a method for manufacturing a paper-plastic protective casing for a mobile device according to the present invention includes the following steps 100. Step: selecting a paper material, stirring the paper material into a pulp by adding water; forming a shell by pressure molding the shell through a mold, and then separating the shell from the mold for drying; and the shell The exterior surface is subjected to an appearance coloring process, and the casing becomes a finished product after the coloring process is completed; wherein the finished product is a paper-plastic protective casing 20 of a mobile device (please refer to FIG. 2 and FIG. 3) The paper-plastic protective case 20 of the mobile device is provided in combination with a mobile device 10 (please refer to FIG. 2 and FIG. 3).

請參閱圖2所示，圖2為本發明行動裝置之紙塑保護殼之成品與行動裝置分離示意圖，本發明行動裝置之紙塑保護殼20之紙材之材質係選自於回收紙材，而該模具加壓成形的方式係選自於一熱壓成形或一冷壓成形之其中任一者，而該行動裝置10係選自於：一手機、一平板電腦及一筆記型電腦之其中任一者。藉此，本發明行動裝置之紙塑保護殼20利用回收紙材作為行動裝置之紙塑保護殼20的製造原料，以達到環保回收再使用，且不會造成環境污染的目的。Referring to FIG. 2, FIG. 2 is a schematic view showing the separation of the finished product and the mobile device of the paper-plastic protective casing of the mobile device of the present invention. The material of the paper-plastic protective casing 20 of the mobile device of the present invention is selected from the recycled paper. The press molding method is selected from any one of hot press forming and cold forming, and the mobile device 10 is selected from the group consisting of: a mobile phone, a tablet computer and a notebook computer. Either. Thereby, the paper-plastic protective casing 20 of the mobile device of the present invention utilizes the recycled paper as the raw material for manufacturing the paper-plastic protective casing 20 of the mobile device, so as to achieve environmentally friendly recycling and reuse without causing environmental pollution.

請參閱圖3所示，圖3為本發明行動裝置之紙塑保護殼之成品外表面示意圖，亦請同參圖2所示，本發明行動裝置之紙塑保護殼20之成品為了讓外觀的視覺有不同變化或者增加視覺上的美感，可在該行動裝置之紙塑保護殼20之外表面201進行一外觀上色處理，其中該外觀上色處理方式係選自於利用一水轉印、一熱轉印、一熱昇華、一數位噴圖之其中任一者，藉以將本發明行動裝置之紙塑保護殼20結合在該行動裝置10後，並讓該行動裝置10在整體視覺上可達到更加美觀的效果，其中該行動裝置10可選自於：一手機、一平板電腦及一筆記型電腦之其中任一者。Referring to FIG. 3, FIG. 3 is a schematic view showing the outer surface of the finished product of the paper-plastic protective cover of the mobile device of the present invention, and also shown in FIG. 2, the finished product of the paper-plastic protective shell 20 of the mobile device of the present invention is used for appearance. The visual appearance may be different or the visual aesthetic may be increased, and an external coloring process may be performed on the outer surface 201 of the paper-plastic protective casing 20 of the mobile device, wherein the external color processing method is selected from the use of a water-transfer, a thermal transfer, a thermal sublimation, or a digital spray pattern, whereby the paper-plastic protective case 20 of the mobile device of the present invention is coupled to the mobile device 10, and the mobile device 10 is visually identifiable as a whole. A more aesthetically pleasing effect is achieved, wherein the mobile device 10 can be selected from any one of a mobile phone, a tablet computer, and a notebook computer.

請參閱圖4所示，圖4為本發明行動裝置之紙塑保護殼之成品另一實施例示意圖，亦請同參圖1~3所示，在本發明行動裝置之紙塑保護殼之成品另一實施例中，其中該行動裝置之紙塑保護殼進一步更包括一片體202，該片體202係由該行動裝置之紙塑保護殼20一側向外延伸，該片體202與該行動裝置之紙塑保護殼20之間設有多數折線203，當翻折該些折線203時，使該片體202與該行動裝置之紙塑保護殼20以翻折活動；當該行動裝置10結合於本發明行動裝置之紙塑保護殼20時，可將該片體202進行翻折活動，亦可將該片體202遮蔽該行動裝置10之螢幕表面，以達到保護該行動裝置10之螢幕的效果。藉此，本發明行動裝置之紙塑保護殼使用紙塑材質作為行動裝置保護殼，以達到環保可回收再利用，又因為紙塑材質可自然分解不會造成環境污染，亦同時減少塑料的使用，避免行動裝置保護殼使用塑料材質而達到環境保護之目的。Referring to FIG. 4, FIG. 4 is a schematic view showing another embodiment of the finished product of the paper-plastic protective cover of the mobile device of the present invention, and also shown in FIGS. 1 to 3, the finished product of the paper-plastic protective case of the mobile device of the present invention. In another embodiment, the paper-plastic protective casing of the mobile device further includes a body 202 extending outward from a side of the paper-protecting casing 20 of the mobile device, the body 202 and the action A plurality of fold lines 203 are disposed between the paper-plastic protective shells 20 of the device. When the fold lines 203 are folded, the sheet body 202 and the paper-plastic protective shell 20 of the mobile device are folded over; when the mobile device 10 is combined When the protective cover 20 of the mobile device of the present invention is used, the sheet 202 can be folded over, or the sheet 202 can be shielded from the screen surface of the mobile device 10 to protect the screen of the mobile device 10. effect. Thereby, the paper-plastic protective shell of the mobile device of the invention uses the paper-plastic material as the protective cover of the mobile device, so as to achieve environmentally-friendly and recyclable, and because the paper-plastic material can be naturally decomposed without causing environmental pollution, and at the same time reduce the use of plastics. To avoid the use of plastic materials for the protective device protective cover to achieve environmental protection.

雖然本發明已以實施例揭露如上，然其並非用以限定本發明，任何熟習此技術者，在不脫離本發明之精神和範圍內，當可作各種之更動與潤飾，因此本發明之保護範圍當視後附之發明申請專利範圍所界定者為準。Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one skilled in the art can make various modifications and retouchings without departing from the spirit and scope of the present invention. The scope is defined by the scope of the appended claims.

100‧‧‧步驟流程100‧‧‧Step process

10‧‧‧行動裝置10‧‧‧Mobile devices

20‧‧‧行動裝置之紙塑保護殼20‧‧‧paper-protective case for mobile devices

201‧‧‧外表面201‧‧‧ outer surface

202‧‧‧片體202‧‧‧Piece

203‧‧‧折線203‧‧‧ fold line

為讓本發明能更明顯易懂，請參考所附圖式閱讀本發明說明，在圖式中： 圖1為本發明行動裝置之紙塑保護殼製造方法之實施例流程示意圖。 圖2為本發明行動裝置之紙塑保護殼之成品與行動裝置分離示意圖。 圖3為本發明行動裝置之紙塑保護殼之成品外表面示意圖。 圖4為本發明行動裝置之紙塑保護殼之成品另一實施例示意圖。In order to make the invention more obvious, the invention is described with reference to the accompanying drawings, in which: FIG. 1 is a schematic flow diagram of an embodiment of a method for manufacturing a paper-plastic protective casing of a mobile device according to the present invention. 2 is a schematic view showing the separation of the finished product and the mobile device of the paper-plastic protective casing of the mobile device of the present invention. Figure 3 is a schematic view showing the outer surface of the finished product of the paper-plastic protective casing of the mobile device of the present invention. 4 is a schematic view showing another embodiment of the finished product of the paper-plastic protective casing of the mobile device of the present invention.

Claims (6)

一種行動裝置之紙塑保護殼製造方法，其包括下列步驟： 選擇一紙材，將該紙材加水攪拌融成一紙漿； 使該紙漿經由一模具加壓成形一殼體，再將該殼體由該模具中脫離以進行烘乾；以及 將該殼體之外表面進行一外觀上色處理，該殼體經由該外觀上色處理完成後即成為一成品； 其中該成品係為一行動裝置之紙塑保護殼，該行動裝置之紙塑保護殼係提供結合一行動裝置使用。A paper-plastic protective shell manufacturing method for a mobile device, comprising the steps of: selecting a paper material, stirring the paper material into a pulp; and pressing the paper into a casing through a mold, and then the housing is The mold is detached for drying; and the outer surface of the casing is subjected to an external coloring process, and the casing becomes a finished product after the appearance of the coloring process; wherein the finished product is a mobile device paper The plastic protective case, the paper-plastic protective shell of the mobile device is provided for use in conjunction with a mobile device. 如申請專利範圍第1項所述之行動裝置之紙塑保護殼製造方法，其中該紙材之材質係選自於回收紙材。The method of manufacturing a paper-plastic protective casing for a mobile device according to claim 1, wherein the material of the paper is selected from recycled paper. 如申請專利範圍第1項所述之行動裝置之紙塑保護殼製造方法，其中該模具加壓成形的方式係選自於一熱壓成形或一冷壓成形之其中任一者。The method of manufacturing a paper-plastic protective casing for a mobile device according to claim 1, wherein the press-forming method is selected from either a hot press forming or a cold forming. 如申請專利範圍第1項所述之行動裝置之紙塑保護殼製造方法，其中該外觀上色處理方式係選自於利用一水轉印、一熱轉印、一熱昇華、一數位噴圖之其中任一者。The method for manufacturing a paper-plastic protective casing for a mobile device according to claim 1, wherein the external color treatment is selected from the group consisting of water-to-water transfer, thermal transfer, thermal sublimation, and digital image printing. Any of them. 如申請專利範圍第1項所述之行動裝置之紙塑保護殼製造方法，其中該行動裝置係選自於：一手機、一平板電腦及一筆記型電腦之其中任一者。The method of manufacturing a paper-plastic protective casing for a mobile device according to claim 1, wherein the mobile device is selected from the group consisting of: a mobile phone, a tablet computer, and a notebook computer. 如申請專利範圍第1項所述之行動裝置之紙塑保護殼製造方法，其中該行動裝置之紙塑保護殼進一步更包括一片體，該片體係由該行動裝置之紙塑保護殼一側向外延伸，該片體與該行動裝置之紙塑保護殼之間設有多數折線，當翻折該些折線時，使該片體與該行動裝置之紙塑保護殼以翻折活動。The paper-plastic protective shell manufacturing method of the mobile device according to the first aspect of the invention, wherein the paper-plastic protective shell of the mobile device further comprises a body, the sheet system is laterally oriented by the paper-plastic protective shell of the mobile device The outer extension extends a plurality of fold lines between the sheet body and the paper-plastic protective shell of the mobile device. When the fold lines are folded, the sheet body and the paper-plastic protective shell of the mobile device are folded and moved.
TW106134831A 2017-10-11 2017-10-11 A manufacturing method for paper molding protective shell of mobile devices TW201915263A (en)

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