The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2005
Filed:
May. 11, 2001
Hideaki Yamamura, Futtsu, JP;
Naoya Hamada, Futtsu, JP;
Tadahiro Izu, Hikari, JP;
Yasushi Kurisu, Futtsu, JP;
Isao Suichi, Hikari, JP;
Masafumi Miyazaki, Hikari, JP;
Kazumi Seki, Futtsu, JP;
Eiichi Takeuchi, Himeji, JP;
Mamoru Yamada, Hikari, JP;
Hideki Oka, Hikari, JP;
Yasuo Maruki, Futtsu, JP;
Eiichiro Ishimaru, Hikari, JP;
Mitsuru Nakayama, Hikari, JP;
Hideaki Yamamura, Futtsu, JP;
Naoya Hamada, Futtsu, JP;
Tadahiro Izu, Hikari, JP;
Yasushi Kurisu, Futtsu, JP;
Isao Suichi, Hikari, JP;
Masafumi Miyazaki, Hikari, JP;
Kazumi Seki, Futtsu, JP;
Eiichi Takeuchi, Himeji, JP;
Mamoru Yamada, Hikari, JP;
Hideki Oka, Hikari, JP;
Yasuo Maruki, Futtsu, JP;
Eiichiro Ishimaru, Hikari, JP;
Mitsuru Nakayama, Hikari, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
Dimples, preferably 40 to 200 μm in average depth and 0.5 to 3 mm in diameter of circle equivalent, are formed on the peripheral surface of a cooling drum, adjacent to each other at the rims of the dimples; and fine humps (preferably, fine humps 1 to 50 μm in height and 5 to 200 μm in diameter of circle equivalent on the surfaces of the dimples and/or fine humps 1 to 50 μm in height and 30 to 200 μm in diameter of circle equivalent at the rims of the dimples), fine holes (preferably, fine holes 5 μm or more in depth and 10 to 200 μm in diameter of circle equivalent), or fine unevenness (preferably, fine unevenness 1 to 50 μm in average depth and 10 to 200 μm in diameter of circle equivalent) are formed at the rims and/or on the indented surfaces of said dimples.