GB2005171A - Self-piercing and self-tapping screw - Google Patents
Self-piercing and self-tapping screwInfo
- Publication number
- GB2005171A GB2005171A GB7839704A GB7839704A GB2005171A GB 2005171 A GB2005171 A GB 2005171A GB 7839704 A GB7839704 A GB 7839704A GB 7839704 A GB7839704 A GB 7839704A GB 2005171 A GB2005171 A GB 2005171A
- Authority
- GB
- United Kingdom
- Prior art keywords
- self
- thread
- point
- piercing
- cutting
- Prior art date
- 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.)
- Withdrawn
Links
- 238000010079 rubber tapping Methods 0.000 title abstract 3
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
- F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
- F16B25/0021—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
-
- 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
- F16B25/0084—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 geometric details of the tip
-
- 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
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/106—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a self-piercing screw-point, i.e. without removing material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Dowels (AREA)
- Connection Of Plates (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1224277A CH616211A5 (ja) | 1977-10-06 | 1977-10-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2005171A true GB2005171A (en) | 1979-04-19 |
Family
ID=4381210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7839704A Withdrawn GB2005171A (en) | 1977-10-06 | 1978-10-06 | Self-piercing and self-tapping screw |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5460641A (ja) |
BR (1) | BR7806639A (ja) |
CH (1) | CH616211A5 (ja) |
DE (1) | DE2843470A1 (ja) |
FR (1) | FR2405389A1 (ja) |
GB (1) | GB2005171A (ja) |
IT (1) | IT1099243B (ja) |
SE (1) | SE7810509L (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2560304A1 (fr) * | 1984-02-24 | 1985-08-30 | Yamahiro Co Ltd | Vis autotaraudeuse et matrice pour le formage de son filetage |
GB2305703A (en) * | 1995-09-27 | 1997-04-16 | John Michael Pitts | Screwthreaded fixing device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3022187C2 (de) * | 1980-06-13 | 1983-08-11 | Itw-Ateco Gmbh, 2000 Norderstedt | Bohrschraube |
GB2100628B (en) * | 1981-06-25 | 1985-04-11 | Shinjo Seisakusho Yk | A drill screw |
DE102010041165A1 (de) * | 2010-09-22 | 2012-03-22 | Adolf Würth GmbH & Co. KG | Bohrschraube |
DE102011085232A1 (de) * | 2011-10-26 | 2013-05-02 | Fabricius Fastener Gmbh | Schraube |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1310858A (fr) * | 1960-12-19 | 1962-11-30 | Lennewerk Altena Gmbh | Vis à tôles autoperceuse |
GB957626A (en) * | 1961-08-28 | 1964-05-06 | Gen Am Transport | Combination hole-drilling and thread-forming screw fasteners |
BE620370A (ja) * | 1961-11-23 | |||
FR1331668A (fr) * | 1962-07-04 | 1963-07-05 | Illinois Tool Works | Attache à vis pour des constructions de murs et de plafonds |
US3463045A (en) * | 1966-05-10 | 1969-08-26 | Illinois Tool Works | Drilling screw |
US3683436A (en) * | 1970-01-22 | 1972-08-15 | Textron Inc | Method for making a drill screw with an extruded point |
US3789725A (en) * | 1971-10-06 | 1974-02-05 | B Lindstrom | Self-drilling and self-tapping fastener and method of manufacture thereof |
US3782056A (en) * | 1972-04-27 | 1974-01-01 | Gen Electric | Joint structure |
US3937120A (en) * | 1975-01-28 | 1976-02-10 | Microdot Inc. | Drill screw |
-
1977
- 1977-10-06 CH CH1224277A patent/CH616211A5/fr not_active IP Right Cessation
- 1977-11-10 FR FR7733881A patent/FR2405389A1/fr active Granted
-
1978
- 1978-10-04 IT IT28424/78A patent/IT1099243B/it active
- 1978-10-05 BR BR7806639A patent/BR7806639A/pt unknown
- 1978-10-05 DE DE19782843470 patent/DE2843470A1/de not_active Withdrawn
- 1978-10-06 GB GB7839704A patent/GB2005171A/en not_active Withdrawn
- 1978-10-06 SE SE7810509A patent/SE7810509L/xx unknown
- 1978-10-06 JP JP12350478A patent/JPS5460641A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2560304A1 (fr) * | 1984-02-24 | 1985-08-30 | Yamahiro Co Ltd | Vis autotaraudeuse et matrice pour le formage de son filetage |
GB2305703A (en) * | 1995-09-27 | 1997-04-16 | John Michael Pitts | Screwthreaded fixing device |
Also Published As
Publication number | Publication date |
---|---|
SE7810509L (sv) | 1979-04-07 |
IT1099243B (it) | 1985-09-18 |
BR7806639A (pt) | 1979-05-02 |
FR2405389A1 (fr) | 1979-05-04 |
IT7828424A0 (it) | 1978-10-04 |
JPS5460641A (en) | 1979-05-16 |
CH616211A5 (ja) | 1980-03-14 |
DE2843470A1 (de) | 1979-04-12 |
FR2405389B1 (ja) | 1982-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |