JP6715304B2 - 筐体用部材及び筐体用部材の製造方法 - Google Patents
筐体用部材及び筐体用部材の製造方法 Download PDFInfo
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- JP6715304B2 JP6715304B2 JP2018199761A JP2018199761A JP6715304B2 JP 6715304 B2 JP6715304 B2 JP 6715304B2 JP 2018199761 A JP2018199761 A JP 2018199761A JP 2018199761 A JP2018199761 A JP 2018199761A JP 6715304 B2 JP6715304 B2 JP 6715304B2
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- laminate
- thin plate
- intermediate layer
- plate portion
- fiber
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- G06F1/1613—Constructional details or arrangements for portable computers
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
- B32B2260/023—Two or more 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/101—Glass
-
- 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
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Laminated Bodies (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
12 筐体
14 蓋体
16 電子機器
27 背板
28 壁部
30,31 繊維強化樹脂板
32 中間層
32a 発泡層部
32b 圧縮層部
32c 発泡材
34d 樹脂材料
34 積層体
34a 厚板部
34b 薄板部
34c 曲げ部
36 フレーム体
36a 表面
40 外面
41 内面
44,46,48,50 金型
44a,50a キャビティ空間
Claims (8)
- 強化繊維に熱可塑性樹脂を含浸させた少なくとも一対の繊維強化樹脂板の間に中間層を設けた積層体と、
熱可塑性樹脂で形成され、前記積層体の縁部に接合されたフレーム体と、
を備え、
前記積層体の前記縁部には、他の部位よりも厚みが小さい薄板部が設けられており、
前記フレーム体は、前記薄板部に対して接合されており、
前記中間層は、熱可塑性樹脂材料にビーズ状の発泡材が添加された構成であり、
前記薄板部では、前記繊維強化樹脂板が変形し、前記積層体の前記縁部で前記中間層が前記繊維強化樹脂板間で押し潰され、前記中間層の前記発泡材が潰されて前記熱可塑性樹脂材料で埋められていることを特徴とする筐体用部材。 - 請求項1に記載の筐体用部材であって、
前記発泡材は、内部に気体が封入されたガラス発泡ビーズであることを特徴とする筐体用部材。 - 請求項1又は2に記載の筐体用部材であって、
前記薄板部の少なくとも一部は、前記中間層が設けられていないことを特徴とする筐体用部材。 - 請求項1〜3のいずれか1項に記載の筐体用部材であって、
前記筐体用部材の一面では、前記一対の繊維強化樹脂板のうちの該一面側に配置された前記繊維強化樹脂板の表面と、前記フレーム体の表面とが、略面一に設定されているか、又は、前記フレーム体の表面が前記繊維強化樹脂板の表面よりも凹んだ位置に配置されていることを特徴とする筐体用部材。 - 強化繊維に熱可塑性樹脂を含浸させた少なくとも一対の繊維強化樹脂板の間に中間層を設けた積層体を作製し、
前記積層体を金型の内部に配置した後、前記金型のキャビティ空間に熱可塑性樹脂を射出し、
前記射出された熱可塑性樹脂によって前記積層体の縁部を加圧及び加熱することで、前記積層体の縁部に他の部位よりも厚みが小さい薄板部を形成し、且つ前記射出された熱可塑性樹脂で形成されたフレーム体を前記薄板部に対して接合することを特徴とする筐体用部材の製造方法。 - 請求項5に記載の筐体用部材の製造方法であって、
前記積層体の前記縁部を加圧及び加熱する際、該縁部に屈曲部を形成することを特徴とする筐体用部材の製造方法。 - 請求項5又は6に記載の筐体用部材の製造方法であって、
前記中間層は、熱可塑性樹脂材料にビーズ状の発泡材が添加された構成であり、
前記積層体の前記縁部を加圧及び加熱する際、軟化された前記積層体内で前記繊維強化樹脂板が変形し、前記中間層が前記繊維強化樹脂板間で押し潰され、前記発泡材が破裂して潰され、それによって前記中間層の厚みが前記他の部位よりも小さくなることで、前記他の部位よりも厚みが小さい前記薄板部が形成されることを特徴とする筐体用部材の製造方法。 - 強化繊維に熱可塑性樹脂を含浸させた少なくとも一対の繊維強化樹脂板の間に、熱可塑性樹脂材料にビーズ状の発泡材が添加された中間層を設けた積層体を作製し、
前記積層体を第1の金型の内部に配置した後、前記積層体の縁部を加圧及び加熱することで軟化された前記積層体内で前記繊維強化樹脂板が変形し、前記中間層が前記繊維強化樹脂板間で押し潰され、前記発泡材が破裂して潰され、それによって前記中間層の厚みが他の部位よりも小さくなることで、前記他の部位よりも厚みが小さい薄板部を形成し、
前記薄板部を形成した前記積層体を第2の金型の内部に配置した後、前記第2の金型のキャビティ空間に熱可塑性樹脂を射出し、前記射出された熱可塑性樹脂で形成されたフレーム体を前記薄板部に対して接合することを特徴とする筐体用部材の製造方法。
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