JP4977332B2 - 緩衝材 - Google Patents
緩衝材 Download PDFInfo
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- JP4977332B2 JP4977332B2 JP2005141009A JP2005141009A JP4977332B2 JP 4977332 B2 JP4977332 B2 JP 4977332B2 JP 2005141009 A JP2005141009 A JP 2005141009A JP 2005141009 A JP2005141009 A JP 2005141009A JP 4977332 B2 JP4977332 B2 JP 4977332B2
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- rolling device
- rubber
- rust
- cushioning material
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Description
なお、緩衝材表面の陰イオン量とは、緩衝材あるいは試験片を80℃の純水もしくは超純水に2時間浸漬した後に、純水もしくは超純水に抽出された陰イオンの量(重量)を緩衝材あるいは試験片の外形寸法から求められる表面積で除したものをいう。
SUJ3ころ(直径50mm、長さ50mm、焼入れ焼き戻しを行った後、表面を超仕上げした)に、溶剤希釈型防錆油を浸漬塗油したのち緩衝材を歪量5%で圧着し、赤道通過要件を想定し、60℃−湿度90%で168時間放置した。試験後の緩衝材接触部表面に円周方向長さ1mm以上の錆が見つかった場合、有りと判断した。実施例1〜6および比較例1〜3の陰イオン量測定結果、およびその錆試験結果を、図4に示す。
SUJ3球面ころ(直径50mm、長さ50mm、焼き入れ焼き戻しを行った後、表面を超仕上げした。)に溶剤希釈型防錆油を浸漬塗油したのち緩衝材を歪量5%で圧着し、赤道通過条件60℃−湿度90%で168時間放置した。試験後の緩衝材接触部表面に1mm以上の錆が見つかった場合、有りと判断した。
SUJ3球面ころ(直径50mm、長さ50mm、焼き入れ焼き戻しを行った後、表面を超仕上げした。)に溶剤希釈型防錆油を浸漬塗油したのち緩衝材を歪量5%で圧着し、赤道通過条件60℃−湿度90%で168時間放置した。試験後の緩衝材接触部表面に1mm以上の錆が見つかった場合、有りと判断した。
SUJ3球面ころ(直径50mm、長さ50mm、焼き入れ焼き戻しを行った後、表面を超仕上げした。)に溶剤希釈型防錆油を浸漬塗油したのち緩衝材を歪量5%で圧着し、赤道通過条件より過酷な80℃−湿度90%で168時間放置した。試験後の緩衝材接触部表面に1mm以上の錆が見つかった場合、有りと判断した。
Claims (3)
- 転動装置梱包・輸送用緩衝材であるゴム弾性体表面の塩素、亜硝酸、硝酸、硫酸イオンの総量が30ng/mm2以下であって、前記ゴム弾性体のガラス転移点が−29℃〜−57℃である、転動装置梱包・輸送用緩衝材。
- 前記ゴム弾性体が、ニトリルゴムである、請求項1に記載の転動装置梱包・輸送用緩衝材。
- 前記ゴム弾性体表面には、ワックス分を含まない防錆油が付着している、請求項1または2に記載の転動装置梱包・輸送用緩衝材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141009A JP4977332B2 (ja) | 2004-05-13 | 2005-05-13 | 緩衝材 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004143856 | 2004-05-13 | ||
JP2004143856 | 2004-05-13 | ||
JP2005141009A JP4977332B2 (ja) | 2004-05-13 | 2005-05-13 | 緩衝材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005350142A JP2005350142A (ja) | 2005-12-22 |
JP4977332B2 true JP4977332B2 (ja) | 2012-07-18 |
Family
ID=35584939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005141009A Active JP4977332B2 (ja) | 2004-05-13 | 2005-05-13 | 緩衝材 |
Country Status (1)
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JP (1) | JP4977332B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110352306A (zh) * | 2017-03-09 | 2019-10-18 | Ntn株式会社 | 多排自动调心滚柱轴承的输送卡具和输送方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6183378B2 (ja) * | 2013-05-31 | 2017-08-23 | 日本精工株式会社 | 転がり軸受及びその包装方法 |
WO2018164061A1 (ja) * | 2017-03-09 | 2018-09-13 | Ntn株式会社 | 複列自動調心ころ軸受の輸送治具および輸送方法 |
JP2019158026A (ja) * | 2018-03-14 | 2019-09-19 | Ntn株式会社 | 軸受包装体 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS416088Y1 (ja) * | 1964-10-17 | 1966-03-30 | ||
JPS52116480U (ja) * | 1976-03-01 | 1977-09-03 | ||
JP3961076B2 (ja) * | 1997-07-11 | 2007-08-15 | 王子製紙株式会社 | 金属精密部品包装用衝撃吸収材 |
JP2002068164A (ja) * | 2000-08-23 | 2002-03-08 | Oji Paper Co Ltd | 情報記録媒体保護用段ボールケース及び段ボールシート |
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2005
- 2005-05-13 JP JP2005141009A patent/JP4977332B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110352306A (zh) * | 2017-03-09 | 2019-10-18 | Ntn株式会社 | 多排自动调心滚柱轴承的输送卡具和输送方法 |
US11111963B2 (en) | 2017-03-09 | 2021-09-07 | Ntn Corporation | Transport jig and transport method for double-row self-aligning roller bearing |
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JP2005350142A (ja) | 2005-12-22 |
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