SE378888B - - Google Patents
Info
- Publication number
- SE378888B SE378888B SE7204228A SE422872A SE378888B SE 378888 B SE378888 B SE 378888B SE 7204228 A SE7204228 A SE 7204228A SE 422872 A SE422872 A SE 422872A SE 378888 B SE378888 B SE 378888B
- Authority
- SE
- Sweden
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
- F16B25/10—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
-
- 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
- F16B25/0089—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw the screw having wings
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- 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
- Y10T408/905—Having stepped cutting edges
- Y10T408/906—Axially spaced
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Drilling Tools (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12982971A | 1971-03-31 | 1971-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE378888B true SE378888B (xx) | 1975-09-15 |
Family
ID=22441791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7204228A SE378888B (xx) | 1971-03-31 | 1972-03-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3699841A (xx) |
CA (1) | CA942977A (xx) |
FR (1) | FR2131756A5 (xx) |
GB (1) | GB1351411A (xx) |
IT (1) | IT950918B (xx) |
SE (1) | SE378888B (xx) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA738037B (en) * | 1972-10-30 | 1975-07-30 | Deutsher Pty Ltd | Drill screw |
CA1013975A (en) * | 1973-10-30 | 1977-07-19 | Robert N. Wilson | Fasteners |
US3982464A (en) * | 1975-08-28 | 1976-09-28 | Illinois Tool Works Inc. | Drilling and reaming |
US4347027A (en) * | 1976-03-29 | 1982-08-31 | Illinois Tool Works Inc. | Drill screw |
AT350334B (de) * | 1977-01-19 | 1979-05-25 | Sfs Stadler Ag | Selbstbohrende schraube |
JPS6128886Y2 (xx) * | 1978-02-20 | 1986-08-27 | ||
AT369871B (de) * | 1980-09-30 | 1983-02-10 | Sfs Stadler Ag | Selbstbohrende schraube |
JPH041371Y2 (xx) * | 1987-02-16 | 1992-01-17 | ||
US5046905A (en) * | 1989-07-06 | 1991-09-10 | Emhart Inc. | Winged drill screw |
US5489177A (en) * | 1994-06-08 | 1996-02-06 | Crest Products, Inc. | Fastener assembly with axially captivated washer |
JP2003042122A (ja) * | 2001-07-27 | 2003-02-13 | Yao Seibyou Kk | 木ねじ |
US6887023B1 (en) * | 2003-12-19 | 2005-05-03 | Ying-Kung Lu | Screw with protruding sheets on head portion |
NZ572315A (en) * | 2006-05-19 | 2010-07-30 | Itw Australia Pty Ltd | Clearance hole cutting screw |
AU2007201924B2 (en) * | 2006-05-19 | 2010-08-12 | Illinois Tool Works Inc. | Screw |
US10473137B2 (en) * | 2016-10-07 | 2019-11-12 | Illinois Tool Works Inc. | Winged threaded fastener |
EP3760884A1 (de) * | 2019-07-03 | 2021-01-06 | Hilti Aktiengesellschaft | Trockenbauschraube |
US11598362B2 (en) * | 2019-09-19 | 2023-03-07 | Ideal Fasterners Pty Ltd. | Screw fasteners for use in building construction |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US252704A (en) * | 1882-01-24 | Combined drill and countersink | ||
US2372719A (en) * | 1943-06-01 | 1945-04-03 | Douglas H Freese | Countersinking drill |
US2389909A (en) * | 1944-01-17 | 1945-11-27 | Hofbauer Frank | Rotary cutting tool |
DE1506798A1 (xx) * | 1966-04-14 |
-
1971
- 1971-03-31 US US129829A patent/US3699841A/en not_active Expired - Lifetime
-
1972
- 1972-03-17 CA CA137,374A patent/CA942977A/en not_active Expired
- 1972-03-29 GB GB1487572A patent/GB1351411A/en not_active Expired
- 1972-03-30 FR FR7211339A patent/FR2131756A5/fr not_active Expired
- 1972-03-30 IT IT22616/72A patent/IT950918B/it active
- 1972-03-30 SE SE7204228A patent/SE378888B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1351411A (en) | 1974-05-01 |
CA942977A (en) | 1974-03-05 |
IT950918B (it) | 1973-06-20 |
FR2131756A5 (xx) | 1972-11-10 |
DE2215359A1 (de) | 1972-10-05 |
DE2215359B2 (de) | 1975-09-04 |
US3699841A (en) | 1972-10-24 |