WIRE FOR I-SHAPE OIL RINGS AND PRODUCING METHOD OF

专利名称：WIRE FOR I-SHAPE OIL RINGS AND

PRODUCING METHOD OF THE SAME

发明人：Masanori Ochiai,Makoto Sasaki,Tomoyuki

Satoh

申请号：US12663952申请日：20080611

公开号：US20100181731A1公开日：20100722

专利附图：

摘要：Provided is a wire rod for an I-type oil ring, which includes right and left railportions and a web portion connecting the rail portions, which has an oil hole or a molten

through hole formed in the web portion, and which has a circumscribing circle diameter of10 mm or less in its transverse contour. The molten through hole has such a remoltenportion formed on its exit side as encloses the exit of the molten through hole. Theremolten portion exceeds such a molten portion in the transverse section along thecenter of the molten through hole as is formed in the molten through hole, and isformed to have 200 μm or less from the outer circumference of the molten through holeand 100 μm or less in the depth direction of the molten through hole.

申请人：Masanori Ochiai,Makoto Sasaki,Tomoyuki Satoh

地址：Saitama JP,Kumagaya-shi JP,Yasugi-shi JP

国籍：JP,JP,JP

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