CH606839A5 - - Google Patents
Info
- Publication number
- CH606839A5 CH606839A5 CH1492175A CH1472175A CH606839A5 CH 606839 A5 CH606839 A5 CH 606839A5 CH 1492175 A CH1492175 A CH 1492175A CH 1472175 A CH1472175 A CH 1472175A CH 606839 A5 CH606839 A5 CH 606839A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/027—Rolling of self-tapping screws
-
- 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)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Forging (AREA)
- Transmission Devices (AREA)
- Dowels (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52368974A | 1974-11-14 | 1974-11-14 | |
US05/614,179 US4046051A (en) | 1974-11-14 | 1975-09-17 | Thread forming screw |
Publications (1)
Publication Number | Publication Date |
---|---|
CH606839A5 true CH606839A5 (fr) | 1978-11-15 |
Family
ID=27061222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1492175A CH606839A5 (fr) | 1974-11-14 | 1975-11-13 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4046051A (fr) |
AT (1) | AT345040B (fr) |
CH (1) | CH606839A5 (fr) |
DE (1) | DE2550817A1 (fr) |
FR (1) | FR2291397A1 (fr) |
GB (1) | GB1494015A (fr) |
NL (1) | NL7513258A (fr) |
NO (1) | NO140313C (fr) |
SE (1) | SE414818B (fr) |
Families Citing this family (15)
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 |
DE3046692C2 (de) * | 1980-12-11 | 1986-01-23 | Kamax-Werke Rudolf Kellermann Gmbh & Co Kg, 3360 Osterode | Gewindefurchende Schraube |
DE3911300C1 (en) * | 1989-04-07 | 1990-08-16 | Peri Gmbh, 7912 Weissenhorn, De | Spindle unit, in particular for shuttering construction work |
FR2683275B1 (fr) * | 1991-11-06 | 1995-03-03 | Itw De France | Element d'assemblage. |
US5570983A (en) * | 1994-09-27 | 1996-11-05 | Hollander; Andrew A. | Reduced-friction screw |
US6371709B1 (en) | 1997-11-10 | 2002-04-16 | Hanstock Fasteners Pty Limited | Screws and threadforms |
EP0958072A4 (fr) * | 1997-11-10 | 2010-06-30 | Ajax Cooke Pty Ltd | Ameliorations apportees aux vis et aux filetages |
DE19831338C2 (de) * | 1998-07-13 | 2003-06-18 | Sepitec Foundation Vaduz | Knochenschraube |
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 |
DE102007000828A1 (de) * | 2007-10-08 | 2009-04-09 | Hilti Aktiengesellschaft | Befestigungselement |
BRPI0908030A2 (pt) | 2008-02-20 | 2015-08-04 | Hiroshi Michiwaki | Corpo roscado de extremidade dupla e corpo internamente roscado |
CN104006061B (zh) * | 2013-02-21 | 2016-03-02 | Gen株式公司 | 四角格子结构型嵌件螺母及其制造方法 |
DE102013106758B4 (de) * | 2013-06-27 | 2022-06-09 | Aesculap Aktiengesellschaft | Unrunde Pedikelschraube |
CN104842026A (zh) * | 2014-04-11 | 2015-08-19 | 圆兴(厦门)精密工具有限公司 | 双刃切削丝锥 |
GB2562457A (en) * | 2017-03-10 | 2018-11-21 | Metpro Ltd | A screw |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352982A (en) * | 1942-06-25 | 1944-07-04 | American Screw Co | Screw for plastics |
US3159842A (en) * | 1959-04-14 | 1964-12-01 | Neuschotz Robert | Method of forming a self-tapping threaded element |
GB1022355A (en) * | 1962-08-31 | 1966-03-09 | Res Eng & Mfg | Self-tapping screw with lobular work-entering end and methods for manufacturing same |
US3180126A (en) * | 1962-11-14 | 1965-04-27 | Textron Ind Inc | Self-tapping screw and method of manufacture |
US3295154A (en) * | 1965-02-18 | 1967-01-03 | Besly Welles Corp | Metal swaging tool and method of seating and threading a thin walled cylinder in a hole |
US3469491A (en) * | 1966-05-10 | 1969-09-30 | Eaton Yale & Towne | Self-tapping screw |
US3472119A (en) * | 1966-06-29 | 1969-10-14 | Hubbell Inc Harvey | Thread forming screw and method of making same |
BE756647A (fr) * | 1968-11-08 | 1971-03-25 | Keystone Consolidated Ind Inc | Vis taraudeuse. |
US3633455A (en) * | 1970-02-13 | 1972-01-11 | Textron Inc | Self-thread-forming fastener with easy thread pickup |
US3772720A (en) * | 1970-04-11 | 1973-11-20 | Res Engine Manuf Inc | Method for making a thread forming member |
US3683437A (en) * | 1971-08-26 | 1972-08-15 | Eugene R Larson | Method of making a self-thread forming fastener with easy thread pickup |
US3878759A (en) * | 1972-12-29 | 1975-04-22 | Textron Inc | Bi-lobular self-thread forming fastener |
-
1975
- 1975-09-17 US US05/614,179 patent/US4046051A/en not_active Expired - Lifetime
- 1975-10-28 GB GB44378/75A patent/GB1494015A/en not_active Expired
- 1975-10-31 AT AT831875A patent/AT345040B/de not_active IP Right Cessation
- 1975-11-12 DE DE19752550817 patent/DE2550817A1/de not_active Withdrawn
- 1975-11-12 FR FR7534454A patent/FR2291397A1/fr not_active Withdrawn
- 1975-11-12 NL NL7513258A patent/NL7513258A/xx not_active Application Discontinuation
- 1975-11-12 NO NO75753781A patent/NO140313C/no unknown
- 1975-11-13 CH CH1492175A patent/CH606839A5/xx not_active IP Right Cessation
- 1975-11-13 SE SE7512754A patent/SE414818B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2550817A1 (de) | 1976-05-20 |
NO140313B (no) | 1979-04-30 |
SE7512754L (sv) | 1976-05-17 |
NL7513258A (nl) | 1976-05-18 |
ATA831875A (de) | 1977-12-15 |
US4046051A (en) | 1977-09-06 |
NO140313C (no) | 1979-08-08 |
GB1494015A (en) | 1977-12-07 |
AT345040B (de) | 1978-08-25 |
SE414818B (sv) | 1980-08-18 |
FR2291397A1 (fr) | 1976-06-11 |
NO753781L (fr) | 1976-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |