FR2378973B1 - - Google Patents
Info
- Publication number
- FR2378973B1 FR2378973B1 FR7801956A FR7801956A FR2378973B1 FR 2378973 B1 FR2378973 B1 FR 2378973B1 FR 7801956 A FR7801956 A FR 7801956A FR 7801956 A FR7801956 A FR 7801956A FR 2378973 B1 FR2378973 B1 FR 2378973B1
- 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
- F16B25/0042—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
-
- 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
- F16B25/0052—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)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Pinball Game Machines (AREA)
- Refuse Collection And Transfer (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772703433 DE2703433A1 (en) | 1977-01-28 | 1977-01-28 | THREAD FORMING SCREW AND METHOD OF MANUFACTURING THE SAME AND ROLLING JAW FOR PERFORMING THE METHOD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2378973A1 FR2378973A1 (en) | 1978-08-25 |
| FR2378973B1 true FR2378973B1 (en) | 1985-01-04 |
Family
ID=5999735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7801956A Granted FR2378973A1 (en) | 1977-01-28 | 1978-01-20 | SELF-TAPPING SCREW, ITS MANUFACTURING PROCESS AND ROLLING JAW FOR THE IMPLEMENTATION OF THIS PROCESS |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT362626B (en) |
| BE (1) | BE863419A (en) |
| CH (1) | CH632321A5 (en) |
| DE (1) | DE2703433A1 (en) |
| DK (1) | DK148545C (en) |
| ES (1) | ES238409Y (en) |
| FI (1) | FI68539C (en) |
| FR (1) | FR2378973A1 (en) |
| GB (1) | GB1568801A (en) |
| IT (1) | IT1092132B (en) |
| NL (1) | NL184127C (en) |
| NO (1) | NO146507C (en) |
| PT (1) | PT67580B (en) |
| SE (1) | SE434295B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4811585A (en) * | 1986-04-02 | 1989-03-14 | Nissan Motor Co., Ltd. | Device for forming asymmetrical articles by rolling |
| GB8819820D0 (en) * | 1988-08-20 | 1988-09-21 | Tucker Fasteners Ltd | Anchors for fixing to dense concrete masonry &c |
| DE4131165A1 (en) * | 1991-09-19 | 1993-03-25 | Schumacher Wilhelm Kg | THREAD-FORMING SCREW AND METHOD FOR PRODUCING THE SAME AND ROLLING JAWS FOR CARRYING OUT THE METHOD |
| DE102005041586A1 (en) | 2005-09-01 | 2007-03-08 | Ejot Gmbh & Co. Kg | Thread-forming screw |
| DE202010015839U1 (en) * | 2010-11-26 | 2011-02-24 | Acument Gmbh & Co. Ohg | Self-locking thread |
| DE102020130085B3 (en) | 2020-11-13 | 2022-04-28 | Essence Method Refine Co., Ltd. | METHOD OF MAKING A MULTIFUNCTIONAL FASTENING ELEMENT |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1400838A1 (en) * | 1961-04-03 | 1968-11-14 | Jllinois Tool Works Inc | Fastener |
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| GB1219237A (en) * | 1969-04-08 | 1971-01-13 | Leon Simons | Vibration-resistant screw |
| ZA71559B (en) * | 1970-01-30 | 1972-03-29 | Nat Lead Co | Thread-rolling method,thread-rolling dies,and method of manufacturing the dies |
| GB1308413A (en) * | 1970-07-14 | 1973-02-21 | Nl Industries Inc | Vibration-resistant thread-forming screw |
| CA977192A (en) * | 1972-05-24 | 1975-11-04 | Usm Corporation | Self tapping fastener and method and dies for making same |
| US3866509A (en) * | 1973-08-22 | 1975-02-18 | Mite Corp | Self-tapping and self-retaining, screw thread insert |
| US3935785A (en) * | 1974-01-03 | 1976-02-03 | Rockford Headed Products, Inc. | Thread swaging screw |
| US4046051A (en) * | 1974-11-14 | 1977-09-06 | Industrial Fasteners Corporation | Thread forming screw |
-
1977
- 1977-01-28 DE DE19772703433 patent/DE2703433A1/en active Granted
- 1977-12-28 NO NO774469A patent/NO146507C/en unknown
-
1978
- 1978-01-16 NL NLAANVRAGE7800519,A patent/NL184127C/en not_active IP Right Cessation
- 1978-01-17 SE SE7800519A patent/SE434295B/en not_active IP Right Cessation
- 1978-01-18 DK DK24678A patent/DK148545C/en not_active IP Right Cessation
- 1978-01-20 FR FR7801956A patent/FR2378973A1/en active Granted
- 1978-01-23 ES ES1978238409U patent/ES238409Y/en not_active Expired
- 1978-01-24 FI FI780224A patent/FI68539C/en not_active IP Right Cessation
- 1978-01-25 PT PT67580A patent/PT67580B/en unknown
- 1978-01-26 GB GB3175/78A patent/GB1568801A/en not_active Expired
- 1978-01-26 IT IT19638/78A patent/IT1092132B/en active
- 1978-01-27 BE BE184713A patent/BE863419A/en not_active IP Right Cessation
- 1978-01-27 AT AT59978A patent/AT362626B/en not_active IP Right Cessation
- 1978-01-28 CH CH92778A patent/CH632321A5/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK148545B (en) | 1985-07-29 |
| DK24678A (en) | 1978-07-29 |
| NL184127C (en) | 1989-04-17 |
| FI68539B (en) | 1985-06-28 |
| DE2703433C2 (en) | 1988-11-03 |
| BE863419A (en) | 1978-05-16 |
| PT67580A (en) | 1978-02-01 |
| NO146507B (en) | 1982-07-05 |
| FI68539C (en) | 1985-10-10 |
| GB1568801A (en) | 1980-06-04 |
| FR2378973A1 (en) | 1978-08-25 |
| ES238409U (en) | 1978-11-16 |
| IT1092132B (en) | 1985-07-06 |
| NO146507C (en) | 1982-10-13 |
| DE2703433A1 (en) | 1978-12-07 |
| DK148545C (en) | 1986-04-07 |
| NL7800519A (en) | 1978-08-01 |
| FI780224A (en) | 1978-07-29 |
| SE434295B (en) | 1984-07-16 |
| ES238409Y (en) | 1979-04-01 |
| AT362626B (en) | 1981-06-10 |
| NL184127B (en) | 1988-11-16 |
| SE7800519L (en) | 1978-07-29 |
| IT7819638A0 (en) | 1978-01-26 |
| NO774469L (en) | 1978-07-31 |
| CH632321A5 (en) | 1982-09-30 |
| PT67580B (en) | 1979-06-20 |
| ATA59978A (en) | 1980-10-15 |