CA1142000A - Self-drilling, self-tapping fastener - Google Patents
Self-drilling, self-tapping fastenerInfo
- Publication number
- CA1142000A CA1142000A CA000372182A CA372182A CA1142000A CA 1142000 A CA1142000 A CA 1142000A CA 000372182 A CA000372182 A CA 000372182A CA 372182 A CA372182 A CA 372182A CA 1142000 A CA1142000 A CA 1142000A
- Authority
- CA
- Canada
- Prior art keywords
- self
- conical segment
- drilling
- segment
- flat side
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 17
- 230000001154 acute effect Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- F16B25/0084—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
- F16B25/001—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
- F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
-
- 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
- F16B25/0068—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 with multiple-threads, e.g. a double thread 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
- F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
- F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Joining Of Building Structures In Genera (AREA)
- Dowels (AREA)
- Connection Of Plates (AREA)
- Earth Drilling (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12821180A | 1980-03-07 | 1980-03-07 | |
| US128,211 | 1980-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1142000A true CA1142000A (en) | 1983-03-01 |
Family
ID=22434207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000372182A Expired CA1142000A (en) | 1980-03-07 | 1981-03-03 | Self-drilling, self-tapping fastener |
Country Status (11)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439077A (en) * | 1982-02-11 | 1984-03-27 | Godsted Kent B | Concrete screw anchor |
| JPS59164410A (ja) * | 1983-03-07 | 1984-09-17 | インテリア・フアスナ−ズ・インコ−ポレイテツド | ねじ具 |
| DE3346704A1 (de) * | 1983-12-23 | 1985-07-04 | Richter-System GmbH & Co KG, 6103 Griesheim | Selbstschneidende schnellbauschraube |
| SE442047B (sv) * | 1984-05-23 | 1985-11-25 | Anders Sahlin | Treskruv |
| CH682174A5 (enrdf_load_stackoverflow) * | 1990-06-23 | 1993-07-30 | Mungo Befestigungstech Ag | |
| JP3245464B2 (ja) * | 1992-11-26 | 2002-01-15 | 株式会社スズキ螺子製作所 | 弛み防止ねじ |
| US5779417A (en) * | 1997-05-12 | 1998-07-14 | Illinois Tool Works Inc. | Fastener having primary and secondary threads |
| US7040850B2 (en) * | 2003-08-04 | 2006-05-09 | Power Products Iii, L.L.C. | Fastener for use with frangible material |
| US20090185880A1 (en) * | 2008-01-18 | 2009-07-23 | Yongping Gong | Universal fastener |
| US20150289916A1 (en) * | 2014-04-15 | 2015-10-15 | Chester H. Sharps | Bone screws having more than three leads |
| JP7155256B2 (ja) * | 2017-10-09 | 2022-10-18 | コンメッド コーポレーション | 容易に開始できるカニューレ状骨スクリュー |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3093028A (en) * | 1959-02-05 | 1963-06-11 | Eaton Mfg Co | Self-drilling and self-tapping threaded fastener |
| DE1400842A1 (de) * | 1961-12-01 | 1969-02-13 | Jllinois Tool Works Inc | Schraube |
| US3207024A (en) * | 1962-08-20 | 1965-09-21 | Illinois Tool Works | Drill point screw |
| US3438299A (en) * | 1968-01-26 | 1969-04-15 | Illinois Tool Works | Extruding screw |
| NO125290B (enrdf_load_stackoverflow) * | 1968-10-23 | 1972-08-14 | Bultfabriks Ab | |
| DE7909735U1 (de) * | 1979-04-04 | 1979-11-22 | Knoche, Frank, 5758 Froendenberg | Selbstbohrende Schraube |
-
1981
- 1981-02-24 ZA ZA00811222A patent/ZA811222B/xx unknown
- 1981-02-25 AU AU67637/81A patent/AU543900B2/en not_active Ceased
- 1981-03-03 CA CA000372182A patent/CA1142000A/en not_active Expired
- 1981-03-03 DE DE19813108010 patent/DE3108010A1/de not_active Withdrawn
- 1981-03-04 IT IT20125/81A patent/IT1137407B/it active
- 1981-03-05 JP JP3058981A patent/JPS56134613A/ja active Granted
- 1981-03-05 BR BR8101270A patent/BR8101270A/pt unknown
- 1981-03-05 MX MX186248A patent/MX151872A/es unknown
- 1981-03-06 FR FR8104525A patent/FR2477649B1/fr not_active Expired
- 1981-03-06 IE IE488/81A patent/IE51170B1/en unknown
- 1981-03-06 GB GB8107152A patent/GB2070996B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU543900B2 (en) | 1985-05-09 |
| IT8120125A0 (it) | 1981-03-04 |
| MX151872A (es) | 1985-04-15 |
| JPS56134613A (en) | 1981-10-21 |
| GB2070996B (en) | 1984-01-04 |
| IT1137407B (it) | 1986-09-10 |
| DE3108010A1 (de) | 1982-01-07 |
| FR2477649A1 (fr) | 1981-09-11 |
| ZA811222B (en) | 1982-09-29 |
| JPH0223725B2 (enrdf_load_stackoverflow) | 1990-05-25 |
| AU6763781A (en) | 1981-09-10 |
| IE810488L (en) | 1981-09-07 |
| FR2477649B1 (fr) | 1985-12-06 |
| GB2070996A (en) | 1981-09-16 |
| IE51170B1 (en) | 1986-10-29 |
| BR8101270A (pt) | 1981-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |