JP4482439B2 - 樹脂成形品 - Google Patents
樹脂成形品 Download PDFInfo
- Publication number
- JP4482439B2 JP4482439B2 JP2004367974A JP2004367974A JP4482439B2 JP 4482439 B2 JP4482439 B2 JP 4482439B2 JP 2004367974 A JP2004367974 A JP 2004367974A JP 2004367974 A JP2004367974 A JP 2004367974A JP 4482439 B2 JP4482439 B2 JP 4482439B2
- Authority
- JP
- Japan
- Prior art keywords
- mounting seat
- molded product
- mounting
- cavity
- seat
- 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.)
- Active
Links
- 239000000835 fiber Substances 0.000 claims description 39
- 229920005992 thermoplastic resin Polymers 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 25
- 239000011347 resin Substances 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 description 8
- 230000037431 insertion Effects 0.000 description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
3 ドアインナパネル本体(成形品本体)
5 取付座
5b 取付面
5c 反取付面
5d 凹部
23 取付座外周近傍部(薄肉部)
23a 凸部
33 成形型
35 キャビティ
A 空隙
T1 取付座外周近傍部の厚み
T2 ドアインナパネル本体の厚み
W1 取付座外周近傍部に対応するキャビティ間隔
W2 ドアインナパネル本体に対応するキャビティ間隔
Claims (3)
- 部品が取り付けられる取付面を先端に有する取付座が成形品本体の一方の面に一体に突設されてなる樹脂成形品であって、
上記成形品本体の取付座外周近傍部には、他の成形品本体部分よりも薄肉の薄肉部が一体に成形され、
該薄肉部は、上記取付座基端に一体に連続し、
上記取付座及び該取付座外周近傍部に対応する箇所を除く成形品本体には、成形型のキャビティ内に射出充填した繊維入り熱可塑性樹脂が固化する過程で、取付座及び該取付座外周近傍部に対応する箇所を除く成形品本体側のキャビティ容積を成形品本体の上記一方の面側に拡大させて上記繊維入り熱可塑性樹脂を繊維の弾性復元力で膨張させることにより内部に多数の空隙が形成され、
上記取付座、該取付座及び取付座外周近傍部に対応する成形品本体は、成形時に取付座及び該取付座外周近傍部に対応するキャビティ容積を拡大せずに当該キャビティから上記拡大したキャビティ内への繊維入り熱可塑性樹脂の流出を規制して、空隙のない堅いソリッドに形成されていることを特徴とする樹脂成形品。 - 請求項1に記載の樹脂成形品において、
取付座の取付面及び/又は取付座の基端に対応する成形品本体には、凹部が形成されていることを特徴とする樹脂成形品。 - 請求項1又は2に記載の樹脂成形品において、
取付座外周近傍部には、凸部が形成されていることを特徴とする樹脂成形品。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004367974A JP4482439B2 (ja) | 2004-12-20 | 2004-12-20 | 樹脂成形品 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004367974A JP4482439B2 (ja) | 2004-12-20 | 2004-12-20 | 樹脂成形品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006168327A JP2006168327A (ja) | 2006-06-29 |
JP4482439B2 true JP4482439B2 (ja) | 2010-06-16 |
Family
ID=36669559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004367974A Active JP4482439B2 (ja) | 2004-12-20 | 2004-12-20 | 樹脂成形品 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4482439B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4671869B2 (ja) * | 2006-01-12 | 2011-04-20 | ダイキョーニシカワ株式会社 | 成形型 |
JP4842026B2 (ja) * | 2006-06-20 | 2011-12-21 | ダイキョーニシカワ株式会社 | 樹脂成形品 |
JP4999471B2 (ja) * | 2006-12-20 | 2012-08-15 | ダイキョーニシカワ株式会社 | 樹脂成形パネル |
JP2009061592A (ja) * | 2007-09-04 | 2009-03-26 | Mazda Motor Corp | 発泡樹脂成形品の成形方法及び成形装置 |
JP5315702B2 (ja) * | 2008-01-21 | 2013-10-16 | マツダ株式会社 | 発泡樹脂成形品の成形方法及び成形装置 |
JP5125911B2 (ja) * | 2008-09-08 | 2013-01-23 | トヨタ紡織株式会社 | 樹脂発泡成形体 |
JP2012200979A (ja) * | 2011-03-25 | 2012-10-22 | Hayashi Engineering Inc | 発泡樹脂成形品の固定構造 |
JP2017193106A (ja) * | 2016-04-20 | 2017-10-26 | 豊田合成株式会社 | 発泡樹脂成形体 |
-
2004
- 2004-12-20 JP JP2004367974A patent/JP4482439B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2006168327A (ja) | 2006-06-29 |
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