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Multi-layer placeholder
专利权人:
ビーダーマン・テクノロジーズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニー・コマンディートゲゼルシャフト
发明人:
ルッツ ヴィーデルマン,ヴィルフリート マティス,ヘルマー ラップ
申请号:
JP2012038220
公开号:
JP5420693B2
申请日:
2012.02.24
申请国别(地区):
JP
年份:
2014
代理人:
摘要:
Three tubular bodies (2-4) having different lengths and diameters are inserted and connected to each other by pins so that they project over the edges (7) of the next larger tubular body. The pins are inserted by press-fitting through the holes of the tubular bodies and are secured by their hooks. The length of the multi-walled placeholder (1) is adjusted by pushing the tubular bodies along the longitudinal axis when the pins are removed. The tubular bodies have uniformly arranged hexagonal openings at their jacket surface that define a honeycomb structure. An independent claim is included for the method of producing a multi-walled placeholder.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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