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Patent Searching and Data


Title:
環状部品の亀裂分割装置
Document Type and Number:
Japanese Patent JP4294855
Kind Code:
B2
Abstract:
An apparatus fracture-separates an annular piece, such as a connecting rod. The apparatus includes one stationary and one mobile expandable jaw for insertion into a bore hole in the annular piece. An expanding device separates the expandable jaws. The fracture behavior of the annular piece can be influenced. To this effect, the peripheral surface of the expandable jaws is so configured that the expandable jaws engage in the inner surface of the bore hole only via a region of reference surfaces or lines which is defined locally with precision.

Inventors:
Harnel michael
Wisuni Yuusukii Hurst
Application Number:
JP2000504969A
Publication Date:
July 15, 2009
Filing Date:
July 30, 1998
Export Citation:
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Assignee:
Alfing Kessler Sander Maschinen Gamebha
International Classes:
B21D53/84; B23D31/00; F16C7/02; F16C9/04
Domestic Patent References:
JP9183098A
JP64064729A
JP5200633A
Foreign References:
US6125536
Attorney, Agent or Firm:
Akihiro Ryuka