FR2257038B1 - - Google Patents
Info
- Publication number
- FR2257038B1 FR2257038B1 FR7500064A FR7500064A FR2257038B1 FR 2257038 B1 FR2257038 B1 FR 2257038B1 FR 7500064 A FR7500064 A FR 7500064A FR 7500064 A FR7500064 A FR 7500064A FR 2257038 B1 FR2257038 B1 FR 2257038B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0047—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge being characterised by its cross-section in the plane of the shaft axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
- F16B25/0052—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the ridge having indentations, notches or the like in order to improve the cutting behaviour
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/430,476 US3935785A (en) | 1974-01-03 | 1974-01-03 | Thread swaging screw |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2257038A1 FR2257038A1 (fr) | 1975-08-01 |
FR2257038B1 true FR2257038B1 (fr) | 1980-10-17 |
Family
ID=23707715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7500064A Expired FR2257038B1 (fr) | 1974-01-03 | 1975-01-02 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3935785A (fr) |
JP (1) | JPS584207B2 (fr) |
CA (1) | CA1013976A (fr) |
DE (1) | DE2461546A1 (fr) |
FR (1) | FR2257038B1 (fr) |
GB (1) | GB1427311A (fr) |
SE (1) | SE392752B (fr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703433A1 (de) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens |
EP0004541A1 (fr) * | 1978-02-17 | 1979-10-17 | B E L I P A R, Société Anonyme | Vis, notamment vis autotaraudeuse et machine à laminer les filets pour sa fabrication |
DE3046692C2 (de) * | 1980-12-11 | 1986-01-23 | Kamax-Werke Rudolf Kellermann Gmbh & Co Kg, 3360 Osterode | Gewindefurchende Schraube |
DE3272798D1 (en) * | 1982-02-18 | 1986-10-02 | Conti Fasteners Ag | Screw |
US4449873A (en) * | 1982-02-25 | 1984-05-22 | Illinois Tool Works Inc. | Fastener for attaching articles to a penetrable surface |
US4845818A (en) * | 1986-07-16 | 1989-07-11 | Perry Oliver L | Device for changing fuel pump on internal combustion engine |
US4781351A (en) * | 1987-04-06 | 1988-11-01 | Nicholas Parapetti | Device for adjustably supporting a dial indicator |
US5340254A (en) * | 1992-01-31 | 1994-08-23 | Textron Inc. | Thread forming screw for forming an internal thread in a low ductility material |
US5385439A (en) * | 1993-11-29 | 1995-01-31 | Hurdle; Donald R. | Radial extrusion thread-forming screw |
JP3046746B2 (ja) * | 1995-06-14 | 2000-05-29 | ミネベア株式会社 | ねじ及びねじの製造方法 |
US5795120A (en) * | 1996-05-13 | 1998-08-18 | Hurdle; Donald R. | Reduced-friction thread forming or thread cutting screw |
US5961267A (en) * | 1998-06-23 | 1999-10-05 | Textron Inc. | Thread forming fastener |
JP3436724B2 (ja) * | 1999-09-27 | 2003-08-18 | 株式会社メイドー | ボルトおよび該ボルトの製造方法 |
US6375401B1 (en) * | 1999-10-20 | 2002-04-23 | Continental/Midland, Inc. | Fastener shank crossection utilizing non-circular constant breadth curves |
US6749386B2 (en) | 2001-08-20 | 2004-06-15 | Maclean-Fogg Company | Locking fastener assembly |
US20060051182A1 (en) * | 2001-08-20 | 2006-03-09 | Gerard Jakuszeski | Fastener assembly |
US7438512B2 (en) | 2001-08-20 | 2008-10-21 | Maclean-Fogg Company | U-bolt assembly |
US7334975B2 (en) * | 2001-08-20 | 2008-02-26 | Maclean-Fogg Company | Fastener assembly |
US7677853B2 (en) * | 2004-08-30 | 2010-03-16 | Acument Intellectual Properties, Llc | Multi-lobular lockbolt and system |
US7677852B2 (en) * | 2004-08-30 | 2010-03-16 | Acument Intellectual Properties, Llc | Multi-lobular lockbolt |
CN2833213Y (zh) * | 2005-09-28 | 2006-11-01 | 欧维国际贸易(上海)有限公司 | 易攻螺钉 |
US20070243043A1 (en) | 2006-04-17 | 2007-10-18 | Acument Intellectual Properties, Llc | High performance thread forming screw |
JP2008275062A (ja) * | 2007-04-27 | 2008-11-13 | Nitto Seiko Co Ltd | 高硬度アルミニウム合金製ねじ |
SG194603A1 (en) * | 2011-04-28 | 2013-12-30 | Nitto Seiko Kk | Self-tapping screw |
DE202012000045U1 (de) * | 2012-01-03 | 2012-02-08 | Ruia Global Fasteners Ag | Selbstfurchende Schraube |
DE102013210476C5 (de) * | 2013-06-04 | 2021-04-29 | Baier & Michels Gmbh & Co. Kg | Verfahren zur Herstellung einer Schraube, insbesondere zur Verwendung in Kunststoffbauteilen |
JP5770399B1 (ja) * | 2015-03-02 | 2015-08-26 | クラウン精密工業株式会社 | 自己タップねじ及びその製造方法 |
DE102018114983A1 (de) | 2018-06-21 | 2019-12-24 | Ejot Gmbh & Co. Kg | Selbstfurchende Schraube |
CN111237312A (zh) * | 2020-01-16 | 2020-06-05 | 芜湖强振汽车紧固件有限公司 | 一种自锁螺栓及其制作方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352540A (en) * | 1942-01-12 | 1944-06-27 | Illinois Tool Works | Self-locking screw |
US2581690A (en) * | 1949-11-30 | 1952-01-08 | Moehle Walter | Locking thread structure |
US3195156A (en) * | 1961-06-27 | 1965-07-20 | Res Engineering And Mfg Inc | Method of producing thread swaging devices |
US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
US3351115A (en) * | 1965-11-22 | 1967-11-07 | Roger W Boehlow | Thread-forming and fastening screw |
GB1231805A (fr) * | 1967-09-23 | 1971-05-12 | ||
US3426820A (en) * | 1967-10-05 | 1969-02-11 | Res Eng & Mfg | High friction screw |
BE756647A (fr) * | 1968-11-08 | 1971-03-25 | Keystone Consolidated Ind Inc | Vis taraudeuse. |
-
1974
- 1974-01-03 US US05/430,476 patent/US3935785A/en not_active Expired - Lifetime
- 1974-12-16 CA CA216,604A patent/CA1013976A/en not_active Expired
- 1974-12-23 SE SE7416253A patent/SE392752B/xx unknown
- 1974-12-27 DE DE19742461546 patent/DE2461546A1/de not_active Withdrawn
- 1974-12-28 JP JP754240A patent/JPS584207B2/ja not_active Expired
-
1975
- 1975-01-02 GB GB9775A patent/GB1427311A/en not_active Expired
- 1975-01-02 FR FR7500064A patent/FR2257038B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3935785A (en) | 1976-02-03 |
CA1013976A (en) | 1977-07-19 |
FR2257038A1 (fr) | 1975-08-01 |
AU7671874A (en) | 1976-06-24 |
DE2461546A1 (de) | 1975-07-17 |
SE392752B (sv) | 1977-04-18 |
SE7416253L (fr) | 1975-07-04 |
JPS5097763A (fr) | 1975-08-04 |
JPS584207B2 (ja) | 1983-01-25 |
GB1427311A (en) | 1976-03-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |