Cylindrical member

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United States of America Patent

PATENT NO 10907570
APP PUB NO 20200392921A1
SERIAL NO

16491135

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Abstract

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To provide a cast iron cylindrical member capable of improving the bonding strength when metal on the outer peripheral side and the cast iron cylindrical member are integrated. For this objective, in a cast iron cylindrical member including a plurality of projections including constricted projections on the outer peripheral surface, the anchor portion index (I) represented by {(Aav2−Bav2)×π/4×Pn×Pr/100}×0.35H/2 is set in a specific range.

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Patent Owner(s)

Patent OwnerAddress
TPR CO LTDTOKYO 100-0005
TPR INDUSTRY CO LTD1 CENTRAL INDUSTRIAL PARK SAGAE-SHI YAMAGATA 990-0561

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Mako Yamagata, JP 2 2
Sato, Akira Yamagata, JP 437 4478
Sato, Takashi Yamagata, JP 973 9680

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