Title:
低合金炭素鋼製ねじおよび該ねじの製造方法
Document Type and Number:
Japanese Patent JP2014506287
Kind Code:
A
Abstract:
The invention relates to a screw having a head, an adjoining retaining section and a functional tip for use as a self-tapping screw. The functional tip is of greater hardness than the retaining section. The entire screw is made of hardened low-alloy carbon steel. The special feature of this screw is that its functional tip has a higher carbon and/or nitrogen content than its retaining section
Inventors:
Pinsel, Wilfried
Application Number:
JP2013543616A
Publication Date:
March 13, 2014
Filing Date:
November 28, 2011
Export Citation:
Assignee:
Eyacht GM Behrund Company Car Gage
International Classes:
C23C8/22; C21D1/06; C21D1/09; C21D1/10; C21D1/70; C21D9/00; C23C8/26; C23C8/32; C23C8/38
Domestic Patent References:
| JP2004308011A | 2004-11-04 | |||
| JP2009030131A | 2009-02-12 | |||
| JPH07316640A | 1995-12-05 | |||
| JPH04219512A | 1992-08-10 | |||
| JP2000176660A | 2000-06-27 | |||
| JP2003055711A | 2003-02-26 | |||
| JPS5467529A | 1979-05-31 | |||
| JP2004308011A | 2004-11-04 | |||
| JP2009030131A | 2009-02-12 | |||
| JPH07316640A | 1995-12-05 | |||
| JPH04219512A | 1992-08-10 | |||
| JP2000176660A | 2000-06-27 | |||
| JP2003055711A | 2003-02-26 | |||
| JPS5467529A | 1979-05-31 |
Foreign References:
| US20040154705A1 | 2004-08-12 | |||
| WO1996014514A1 | 1996-05-17 | |||
| US20040154705A1 | 2004-08-12 | |||
| WO1996014514A1 | 1996-05-17 |
Attorney, Agent or Firm:
Takashi Tsuno
Mitsuharu Oda
Kato coming
Mitsuharu Oda
Kato coming