JPWO2019186970A1 - 自動車用部品 - Google Patents
自動車用部品 Download PDFInfo
- Publication number
- JPWO2019186970A1 JPWO2019186970A1 JP2020508766A JP2020508766A JPWO2019186970A1 JP WO2019186970 A1 JPWO2019186970 A1 JP WO2019186970A1 JP 2020508766 A JP2020508766 A JP 2020508766A JP 2020508766 A JP2020508766 A JP 2020508766A JP WO2019186970 A1 JPWO2019186970 A1 JP WO2019186970A1
- Authority
- JP
- Japan
- Prior art keywords
- layer
- core layer
- film layer
- cell
- core
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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- B60R13/08—Insulating elements, e.g. for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/09—Reducing noise
-
- 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
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Textile Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
第1の実施形態の自動車用部品は、図5に示すように、上述したコア層10と、その両側の面に設けられた開孔フィルム層40a、40bと、更にその外側にそれぞれ設けられた不織布層30a、30bとを備える。なお、図5には、コア層10の両側の面に開孔フィルム層40a、40bを設ける場合を示したが、本実施の形態はこれに限定されず、コア層10の一方の面のみに開孔フィルム層40を設けてもよく、これにより、コア層10の解放端22の閉塞度を調整することで、自動車用部品の吸音率をコントロールすることができる。
第2の実施形態の自動車用部品は、図6に示すように、上述したコア層10と、その一方の面に設けられた3層構造の開孔フィルム層41aと、その他方の面に設けられた非開孔フィルム層50bと、更にこれらの外側にそれぞれ設けられた不織布層30a、30bとを備える。なお、第1の実施形態と同様の構成については同様の符号を付し、ここでの詳細な説明は省略する。
第3の実施形態の自動車用部品は、図7に示すように、一方側の閉鎖面に貫通孔19を有するコア層10Pと、このコア層10Pの貫通孔19を有する面側に設けられた開孔フィルム層40aと、その他方の面側に設けられた非開孔フィルム層50bと、更にこれらの外側にそれぞれ設けられた不織布層30a、30bとを備える。なお、第1及び第2の実施形態と同様の構成については同様の符号を付し、ここでの詳細な説明は省略する。
10 コア層
11 山部
12 谷部
13 側面部
14 底面部
15 山部接続面
16 谷部接続面
17 頂面
18 コア材料裏面
19 貫通孔
20 セル
21 閉鎖面
22 解放端
30 不織布層
40、41 開孔フィルム層
42、44 接着層
43 フィルム本体層
45 孔
50 非開孔フィルム層
60 自動車
61 エンジンルーム
62 トランクルーム
63 客室
64 座席
65 車体
66 フロアーカーペット
67 ダッシュインシュレータ
68 トランクトリム
69 トランクフロアー
70 フロアースペーサ
71 フロントフェンダーライナー
72 リアフェンダーライナー
73 アンダーカバー
Claims (4)
- 筒状のセルが複数の列をなして配置されているコア層と、前記コア層の少なくとも一方の面に位置する不織布層と、前記コア層と前記不織布層との間に複数の開孔を有する薄い樹脂フィルム層を備える複層構造の自動車用部品であって、前記セルの各々が、一方の端に閉鎖面、他方の端に開放端を有し、前記セルの前記解放端によって前記セルの内部空間が外部と連通しており、前記セルの前記解放端が、前記コア層の両面において、隣接したセルの列が一列おきに配置されており、前記解放端によって形成される解放面の面積と前記解放面に対応する前記樹脂フィルム層に設けられた前記開孔の面積との比をSとすると、0<S<0.3となるように前記開孔を設けた自動車用部品。
- 前記フィルム層の開孔パターンは、千鳥配列または格子配列とし、前記フィルム層の開孔のピッチPと前記コア層のセルのピッチPcの比P/Pcが0.25から0.8の間である請求項1に記載の自動車用部品。
- 前記ピッチの比は、少なくともセルが隣接して列をなす方向に直交する幅方向のピッチの比である請求項2に記載の自動車用部品。
- 前記複数の列をなして配置されているセルのうちの少なくとも一部のセルの前記閉鎖面に、当該セルの内部空間が外部と連通する貫通孔を有する請求項1〜3のいずれか一項に記載の自動車用部品。
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JP7235278B2 (ja) | 2018-10-15 | 2023-03-08 | 岐阜プラスチック工業株式会社 | 吸音構造体及びその製造方法 |
JP7371600B2 (ja) * | 2020-10-05 | 2023-10-31 | トヨタ自動車株式会社 | ハニカムコアの製造方法 |
CN112750415B (zh) * | 2021-01-28 | 2023-10-13 | 第一拖拉机股份有限公司 | 一种复合式宽频带吸声结构 |
JP7414793B2 (ja) * | 2021-12-17 | 2024-01-16 | 本田技研工業株式会社 | 車両用フロアカーペット |
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US11794670B2 (en) | 2023-10-24 |
JP6930774B2 (ja) | 2021-09-01 |
EP3778208B1 (en) | 2023-01-04 |
KR20200128041A (ko) | 2020-11-11 |
WO2019186970A1 (ja) | 2019-10-03 |
US20230373409A1 (en) | 2023-11-23 |
ES2936233T3 (es) | 2023-03-15 |
EP3778208A4 (en) | 2021-10-20 |
EP3778208A1 (en) | 2021-02-17 |
MX2020010022A (es) | 2020-12-07 |
US20210053511A1 (en) | 2021-02-25 |
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