FI822309A0 - Borrskruv samt foerfarande foer framstaellning av densamma - Google Patents
Borrskruv samt foerfarande foer framstaellning av densammaInfo
- Publication number
- FI822309A0 FI822309A0 FI822309A FI822309A FI822309A0 FI 822309 A0 FI822309 A0 FI 822309A0 FI 822309 A FI822309 A FI 822309A FI 822309 A FI822309 A FI 822309A FI 822309 A0 FI822309 A0 FI 822309A0
- Authority
- FI
- Finland
- Prior art keywords
- borrskruv
- densamma
- foerfarande foer
- foer framstaellning
- samt foerfarande
- Prior art date
Links
- 101100148710 Clarkia breweri SAMT gene Proteins 0.000 title 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
- F16B25/10—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Drilling Tools (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
- Manufacture Of Wood Veneers (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27910381 | 1981-06-30 | ||
US06/279,103 US4395173A (en) | 1981-06-30 | 1981-06-30 | Drill screw with protective burrs |
Publications (4)
Publication Number | Publication Date |
---|---|
FI822309A0 true FI822309A0 (fi) | 1982-06-29 |
FI822309L FI822309L (fi) | 1982-12-31 |
FI78343B FI78343B (fi) | 1989-03-31 |
FI78343C FI78343C (fi) | 1989-07-10 |
Family
ID=23067645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI822309A FI78343C (fi) | 1981-06-30 | 1982-06-29 | Borrskruv. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4395173A (fi) |
JP (1) | JPS588814A (fi) |
AU (1) | AU548250B2 (fi) |
CA (1) | CA1238507A (fi) |
DE (1) | DE3223708A1 (fi) |
ES (1) | ES272911Y (fi) |
FI (1) | FI78343C (fi) |
FR (1) | FR2508576B1 (fi) |
GB (1) | GB2101019B (fi) |
IT (1) | IT1154011B (fi) |
NZ (1) | NZ200460A (fi) |
SE (1) | SE458144B (fi) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4565475A (en) * | 1979-11-26 | 1986-01-21 | Illinois Tool Works Inc. | Drill point milling machine and method |
US4713855A (en) * | 1985-12-13 | 1987-12-22 | Whyco Chromium Company, Inc. | Process for making self-drilling fasteners |
US4692080A (en) * | 1985-12-13 | 1987-09-08 | Whyco Chromium Company, Inc. | Self drilling fasteners and process for making the same |
US4730970A (en) * | 1986-11-12 | 1988-03-15 | Whyco Chromium Company | Selectively hardened self drilling fasteners |
US4773111A (en) * | 1986-11-12 | 1988-09-27 | Whyco Chromium Company, Inc. | Selectively hardened self drilling fasteners and process for making the same |
DE3738471A1 (de) * | 1987-11-12 | 1989-05-24 | Hilti Ag | Befestigungselement zum eintreiben in harte werkstoffe |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB191326071A (en) * | 1913-11-13 | 1914-04-30 | Heinrich Hempel | Improvements in Screws, Bolts, Nuts and other Screw Fastenings. |
US3125923A (en) * | 1962-11-26 | 1964-03-24 | hanneman | |
US3780389A (en) * | 1971-10-06 | 1973-12-25 | Elco Industries Inc | Method of manufacturing a self-drilling and self-tapping fastener |
US3738218A (en) * | 1971-10-06 | 1973-06-12 | Elco Industries Inc | Drilling and thread forming fastener |
US3933075A (en) * | 1973-08-08 | 1976-01-20 | Elco Industries, Inc. | Self-drilling fastener and method of making same |
CA1175688A (en) * | 1979-11-26 | 1984-10-09 | Illinois Tool Works Inc. | Drill screw and cutters for making same |
-
1981
- 1981-06-30 US US06/279,103 patent/US4395173A/en not_active Expired - Lifetime
-
1982
- 1982-04-05 CA CA000400454A patent/CA1238507A/en not_active Expired
- 1982-04-23 AU AU82993/82A patent/AU548250B2/en not_active Ceased
- 1982-04-29 NZ NZ200460A patent/NZ200460A/en unknown
- 1982-05-19 FR FR8208794A patent/FR2508576B1/fr not_active Expired
- 1982-06-14 IT IT21845/82A patent/IT1154011B/it active
- 1982-06-22 SE SE8203861A patent/SE458144B/sv not_active IP Right Cessation
- 1982-06-25 DE DE19823223708 patent/DE3223708A1/de not_active Withdrawn
- 1982-06-25 GB GB08218549A patent/GB2101019B/en not_active Expired
- 1982-06-28 ES ES1982272911U patent/ES272911Y/es not_active Expired
- 1982-06-29 FI FI822309A patent/FI78343C/fi not_active IP Right Cessation
- 1982-06-30 JP JP57111861A patent/JPS588814A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2101019A (en) | 1983-01-12 |
ES272911U (es) | 1983-11-01 |
FR2508576B1 (fr) | 1988-10-28 |
AU548250B2 (en) | 1985-12-05 |
US4395173A (en) | 1983-07-26 |
FI78343B (fi) | 1989-03-31 |
FI822309L (fi) | 1982-12-31 |
AU8299382A (en) | 1983-01-06 |
IT1154011B (it) | 1987-01-21 |
JPH0241648B2 (fi) | 1990-09-18 |
DE3223708A1 (de) | 1983-01-13 |
FR2508576A1 (fr) | 1982-12-31 |
GB2101019B (en) | 1984-12-19 |
SE458144B (sv) | 1989-02-27 |
FI78343C (fi) | 1989-07-10 |
SE8203861D0 (sv) | 1982-06-22 |
JPS588814A (ja) | 1983-01-19 |
NZ200460A (en) | 1986-04-11 |
IT8221845A0 (it) | 1982-06-14 |
SE8203861L (sv) | 1982-12-31 |
CA1238507A (en) | 1988-06-28 |
ES272911Y (es) | 1984-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: ILLINOIS TOOL WORKS INC. |