CA1217368A - Drill screw - Google Patents
Drill screwInfo
- Publication number
- CA1217368A CA1217368A CA000420183A CA420183A CA1217368A CA 1217368 A CA1217368 A CA 1217368A CA 000420183 A CA000420183 A CA 000420183A CA 420183 A CA420183 A CA 420183A CA 1217368 A CA1217368 A CA 1217368A
- Authority
- CA
- Canada
- Prior art keywords
- cutting surfaces
- cutting
- fastener
- drag
- flutes
- 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
- 238000005520 cutting process Methods 0.000 claims abstract description 57
- 238000005553 drilling Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000012800 visualization Methods 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
- F16B25/001—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
- F16B25/103—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)
- Drilling Tools (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34602382A | 1982-02-05 | 1982-02-05 | |
| US346,023 | 1982-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1217368A true CA1217368A (en) | 1987-02-03 |
Family
ID=23357597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000420183A Expired CA1217368A (en) | 1982-02-05 | 1983-01-25 | Drill screw |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS58146711A (da) |
| AU (1) | AU559300B2 (da) |
| CA (1) | CA1217368A (da) |
| CH (1) | CH659295A5 (da) |
| DE (1) | DE3303466A1 (da) |
| DK (1) | DK47783A (da) |
| ES (1) | ES281729Y (da) |
| FI (1) | FI830206L (da) |
| FR (1) | FR2521234B1 (da) |
| GB (1) | GB2114922B (da) |
| HK (1) | HK83186A (da) |
| IT (1) | IT1198422B (da) |
| NL (1) | NL8300383A (da) |
| NO (1) | NO830382L (da) |
| NZ (1) | NZ202991A (da) |
| SE (1) | SE8300548L (da) |
| ZA (1) | ZA83289B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4836730A (en) * | 1985-01-17 | 1989-06-06 | Emhart Industries, Inc. | Fastener |
| GB2185915B (en) * | 1986-01-09 | 1989-11-22 | Usm Corp | Groove point screw |
| GB2233920A (en) * | 1989-07-18 | 1991-01-23 | Sandvik Ltd | Fluted drill |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3395603A (en) * | 1966-09-13 | 1968-08-06 | Parker Kaion Corp | Rotary threaded fasteners |
| US3789725A (en) * | 1971-10-06 | 1974-02-05 | B Lindstrom | Self-drilling and self-tapping fastener and method of manufacture thereof |
| IT1083022B (it) * | 1977-07-21 | 1985-05-21 | Mustad O & Figlio Spa | Vite autoforante ed autofilettante |
| DE3022187C2 (de) * | 1980-06-13 | 1983-08-11 | Itw-Ateco Gmbh, 2000 Norderstedt | Bohrschraube |
| FR2751407A1 (fr) * | 1996-07-16 | 1998-01-23 | Motorola Semiconducteurs | Detecteur et procede permettant de detecter un seuil predetermine pour un parametre |
-
1983
- 1983-01-11 NZ NZ202991A patent/NZ202991A/en unknown
- 1983-01-17 ZA ZA83289A patent/ZA83289B/xx unknown
- 1983-01-21 FI FI830206A patent/FI830206L/fi not_active Application Discontinuation
- 1983-01-21 CH CH335/83A patent/CH659295A5/de not_active IP Right Cessation
- 1983-01-25 CA CA000420183A patent/CA1217368A/en not_active Expired
- 1983-02-02 NL NL8300383A patent/NL8300383A/nl not_active Application Discontinuation
- 1983-02-02 DE DE19833303466 patent/DE3303466A1/de not_active Withdrawn
- 1983-02-02 JP JP58016871A patent/JPS58146711A/ja active Pending
- 1983-02-02 SE SE8300548A patent/SE8300548L/xx not_active Application Discontinuation
- 1983-02-03 GB GB08302942A patent/GB2114922B/en not_active Expired
- 1983-02-04 ES ES1983281729U patent/ES281729Y/es not_active Expired
- 1983-02-04 DK DK47783A patent/DK47783A/da unknown
- 1983-02-04 AU AU11153/83A patent/AU559300B2/en not_active Ceased
- 1983-02-04 NO NO830382A patent/NO830382L/no unknown
- 1983-02-04 IT IT19426/83A patent/IT1198422B/it active
- 1983-02-04 FR FR8301784A patent/FR2521234B1/fr not_active Expired
-
1986
- 1986-11-06 HK HK831/86A patent/HK83186A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO830382L (no) | 1983-08-08 |
| ES281729U (es) | 1985-05-01 |
| IT8319426A0 (it) | 1983-02-04 |
| NL8300383A (nl) | 1983-09-01 |
| FI830206L (fi) | 1983-08-06 |
| ZA83289B (en) | 1983-10-26 |
| DE3303466A1 (de) | 1983-09-08 |
| DK47783A (da) | 1983-08-06 |
| HK83186A (en) | 1986-11-14 |
| JPS58146711A (ja) | 1983-09-01 |
| NZ202991A (en) | 1985-11-08 |
| DK47783D0 (da) | 1983-02-04 |
| AU1115383A (en) | 1983-08-11 |
| GB2114922A (en) | 1983-09-01 |
| GB2114922B (en) | 1985-12-04 |
| ES281729Y (es) | 1985-12-01 |
| GB8302942D0 (en) | 1983-03-09 |
| AU559300B2 (en) | 1987-03-05 |
| IT1198422B (it) | 1988-12-21 |
| SE8300548D0 (sv) | 1983-02-02 |
| SE8300548L (sv) | 1983-08-06 |
| FR2521234A1 (fr) | 1983-08-12 |
| FI830206A0 (fi) | 1983-01-21 |
| FR2521234B1 (fr) | 1987-02-27 |
| CH659295A5 (de) | 1987-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |