JP2005112475A - 合成樹脂製パレットの製造方法 - Google Patents
合成樹脂製パレットの製造方法 Download PDFInfo
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- JP2005112475A JP2005112475A JP2005016582A JP2005016582A JP2005112475A JP 2005112475 A JP2005112475 A JP 2005112475A JP 2005016582 A JP2005016582 A JP 2005016582A JP 2005016582 A JP2005016582 A JP 2005016582A JP 2005112475 A JP2005112475 A JP 2005112475A
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- resin
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- pallet
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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Abstract
【解決手段】 この発明に係る合成樹脂製パレットの製造方法は、デッキボードと桁とからなり、少なくとも一部が表層であるスキン層と内層であるコア層を有する合成樹脂製パレットの製造方法であって、デッキボードのほぼ中央部に一点のゲート部を設け、前記ゲート部から初めに金型のキャビティ内に表層となるスキン層の樹脂を射出し、次いで僅かに遅れて内層となるコア層の樹脂を射出することによって、表層であるスキン層と内層であるコア層とを成形するものである。前記製造方法においては、前記ゲート部がある天板のほぼ中央部の下面に円形リブを設け、前記円形リブ内の範囲における天板の肉厚を他の部分よりも厚く形成した湯道リブを設けることが好ましい。
【選択図】 図2
Description
また、スキン層のみを耐候性を向上させたり、所望のカラーとすることによって、耐候性薬品、顔料等の使用量を少なくすることができ、コストダウンを図ることができる。
11 上部成型部材
13 下部成型部材
15 上部デッキボード
17a〜17c 桁
19 下部デッキボード
20a〜20c 桁
23 天板
25 補強リブ
25a、25b、25c、25d 厚肉の補強リブ
30 ゲート部
31 円形リブ
33 補強リブ
Claims (5)
- デッキボードと桁とからなり、少なくとも一部が表層であるスキン層と内層であるコア層を有する合成樹脂製パレットの製造方法であって、デッキボードのほぼ中央部に一点のゲート部を設け、前記ゲート部から初めに金型のキャビティ内に表層となるスキン層の樹脂を射出し、次いで僅かに遅れて内層となるコア層の樹脂を射出することによって、表層であるスキン層と内層であるコア層とを成型する合成樹脂製パレットの製造方法。
- ゲート部を中心として天板の下面に円形リブを設け、前記円形リブ内の範囲における天板の肉厚を他の部分よりも厚く形成し、樹脂の流れを良くする湯道リブとして機能させる請求項1に記載の合成樹脂製パレットの製造方法。
- コア層を曲げ弾性率が1000MPaから5000MPaの値を有するポリオレフィン系樹脂材料により成型した請求項1又は請求項2に記載の合成樹脂製パレットの製造方法。
- コア層がパレット全体の10〜70重量%となるように射出した請求項1又は請求項2に記載の合成樹脂製パレットの製造方法。
- スキン層を無発泡体とし、コア層を発泡倍率1.05から1.5の発泡体とした請求項1又は請求項2に記載の合成樹脂製パレットの製造方法。
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JP2005016582A JP4079376B2 (ja) | 2005-01-25 | 2005-01-25 | 合成樹脂製パレットの製造方法 |
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JP2005016582A JP4079376B2 (ja) | 2005-01-25 | 2005-01-25 | 合成樹脂製パレットの製造方法 |
Related Parent Applications (1)
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JP2001194638A Division JP4079344B2 (ja) | 2001-06-27 | 2001-06-27 | 合成樹脂製パレット |
Publications (2)
Publication Number | Publication Date |
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JP2005112475A true JP2005112475A (ja) | 2005-04-28 |
JP4079376B2 JP4079376B2 (ja) | 2008-04-23 |
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JP2005016582A Expired - Lifetime JP4079376B2 (ja) | 2005-01-25 | 2005-01-25 | 合成樹脂製パレットの製造方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006282277A (ja) * | 2005-03-10 | 2006-10-19 | Gifu Plast Ind Co Ltd | パレット及びその成形方法 |
JP2007223619A (ja) * | 2006-02-21 | 2007-09-06 | Seiki Kogyo Kk | 滑り止め付き荷役用パレット |
-
2005
- 2005-01-25 JP JP2005016582A patent/JP4079376B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006282277A (ja) * | 2005-03-10 | 2006-10-19 | Gifu Plast Ind Co Ltd | パレット及びその成形方法 |
JP2007223619A (ja) * | 2006-02-21 | 2007-09-06 | Seiki Kogyo Kk | 滑り止め付き荷役用パレット |
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JP4079376B2 (ja) | 2008-04-23 |
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