IT1047619B - Perfezionamento nei dispositivi di fissaggio autofilettanti - Google Patents
Perfezionamento nei dispositivi di fissaggio autofilettantiInfo
- Publication number
- IT1047619B IT1047619B IT51551/75A IT5155175A IT1047619B IT 1047619 B IT1047619 B IT 1047619B IT 51551/75 A IT51551/75 A IT 51551/75A IT 5155175 A IT5155175 A IT 5155175A IT 1047619 B IT1047619 B IT 1047619B
- Authority
- IT
- Italy
- Prior art keywords
- self
- improvement
- fixing devices
- threading fixing
- threading
- Prior art date
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
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
-
- 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
- F16B25/0042—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
- F16B25/0052—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 having indentations, notches or the like in order to improve the cutting behaviour
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
- Y10S411/03—Utilizing fluid pressure
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/512,541 US3942406A (en) | 1974-10-07 | 1974-10-07 | Slab-sided self-tapping screw |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1047619B true IT1047619B (it) | 1980-10-20 |
Family
ID=24039543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51551/75A IT1047619B (it) | 1974-10-07 | 1975-09-29 | Perfezionamento nei dispositivi di fissaggio autofilettanti |
Country Status (9)
Country | Link |
---|---|
US (1) | US3942406A (it) |
JP (1) | JPS5927445B2 (it) |
AU (1) | AU496823B2 (it) |
CA (1) | CA1029990A (it) |
DE (1) | DE2544531A1 (it) |
FR (1) | FR2287612A1 (it) |
GB (1) | GB1506870A (it) |
IT (1) | IT1047619B (it) |
SE (1) | SE403313B (it) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4534690A (en) * | 1983-10-26 | 1985-08-13 | Illinois Tool Works Inc. | Assymetrically shaped thread forming screw and method of making same |
GB2162915B (en) * | 1984-08-09 | 1988-06-02 | Allied Steel Wire Ltd | Reinforcing bar joints |
US5000638A (en) * | 1985-03-28 | 1991-03-19 | Conti Fasteners Ag | Screw for contaminated pre-tapped holes |
AT383400B (de) * | 1985-10-24 | 1987-06-25 | Sfs Stadler Ag | Bohrschraube |
JPS62251513A (ja) * | 1986-04-23 | 1987-11-02 | レツクスノ−ド・インコ−ポレ−テツド | 埋込み金具 |
US4981406A (en) * | 1988-12-05 | 1991-01-01 | Ford Motor Company | Fastener screw thread and pilot to avoid cross threading |
US4952110A (en) * | 1989-10-13 | 1990-08-28 | Ring Screw Works, Inc. | Anti-cross thread screw |
JPH04117913U (ja) * | 1991-04-03 | 1992-10-22 | 株式会社藤田製作所 | ボルト |
US5340254A (en) * | 1992-01-31 | 1994-08-23 | Textron Inc. | Thread forming screw for forming an internal thread in a low ductility material |
US5419667A (en) * | 1993-08-19 | 1995-05-30 | Ring Screw Works | Anti-cross thread fastener with cleaning tip |
DE19639135C1 (de) * | 1996-09-24 | 1998-01-15 | Fischer Artur Werke Gmbh | Gewindeschneidende Schraube |
JP3677402B2 (ja) * | 1998-11-12 | 2005-08-03 | 株式会社杉浦製作所 | 雄ねじ部材の製造方法 |
US6077015A (en) * | 1999-02-10 | 2000-06-20 | Xerox Corporation | Quick insertion screw |
JP3737001B2 (ja) * | 1999-09-30 | 2006-01-18 | 株式会社杉浦製作所 | めねじ部材とおねじ部材との螺合ユニット |
US6530731B2 (en) | 2001-02-01 | 2003-03-11 | General Dynamics Land Systems, Inc. | Self-tapping insert, insert assembly, and method for mounting the insert |
US7438512B2 (en) | 2001-08-20 | 2008-10-21 | Maclean-Fogg Company | U-bolt assembly |
US7334975B2 (en) | 2001-08-20 | 2008-02-26 | Maclean-Fogg Company | Fastener assembly |
US6749386B2 (en) | 2001-08-20 | 2004-06-15 | Maclean-Fogg Company | Locking fastener assembly |
US7235078B2 (en) * | 2002-11-26 | 2007-06-26 | Hs West Investments Llc | Protective devices for use with angled interference screws |
US8511957B2 (en) * | 2008-04-28 | 2013-08-20 | Illinoks Tool Works Inc. | Fastener for stucco or hard board substrates |
WO2010111342A1 (en) * | 2009-03-26 | 2010-09-30 | Graco Minnesota Inc. | Contaminant-rejecting screw threads |
DE102013203150A1 (de) * | 2013-02-26 | 2014-08-28 | Hilti Aktiengesellschaft | Verfahren zum Herstellen einer Betonschraube |
DE102013203148A1 (de) * | 2013-02-26 | 2014-08-28 | Hilti Aktiengesellschaft | Herstellungsverfahren für Schrauben und Betonschraube |
JP7307625B2 (ja) * | 2019-08-19 | 2023-07-12 | 株式会社Subaru | ドレインプラグ |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2347360A (en) * | 1942-08-03 | 1944-04-25 | American Screw Co | Self-tapping screw |
US2350346A (en) * | 1943-04-14 | 1944-06-06 | Clifford R Gaskell | Self-tapping screw |
US2703419A (en) * | 1951-03-06 | 1955-03-08 | Barth Corp | Method and tool for swaging internal threads |
US3218905A (en) * | 1962-04-30 | 1965-11-23 | Nat Lock Co | Self-tapping or thread-forming screw |
US3492908A (en) * | 1969-01-17 | 1970-02-03 | Microdot Inc | Thread swaging screw or bolt |
-
1974
- 1974-10-07 US US05/512,541 patent/US3942406A/en not_active Expired - Lifetime
-
1975
- 1975-09-12 CA CA235,295A patent/CA1029990A/en not_active Expired
- 1975-09-16 GB GB37926/75A patent/GB1506870A/en not_active Expired
- 1975-09-29 IT IT51551/75A patent/IT1047619B/it active
- 1975-10-02 AU AU85400/75A patent/AU496823B2/en not_active Expired
- 1975-10-04 DE DE19752544531 patent/DE2544531A1/de active Granted
- 1975-10-06 SE SE7511156A patent/SE403313B/xx not_active IP Right Cessation
- 1975-10-06 FR FR7530522A patent/FR2287612A1/fr active Granted
- 1975-10-07 JP JP50120384A patent/JPS5927445B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5164152A (en) | 1976-06-03 |
GB1506870A (en) | 1978-04-12 |
SE403313B (sv) | 1978-08-07 |
JPS5927445B2 (ja) | 1984-07-05 |
FR2287612B1 (it) | 1982-04-23 |
AU496823B2 (en) | 1978-11-02 |
DE2544531C2 (it) | 1987-04-30 |
AU8540075A (en) | 1977-04-07 |
CA1029990A (en) | 1978-04-25 |
SE7511156L (sv) | 1976-04-08 |
FR2287612A1 (fr) | 1976-05-07 |
US3942406A (en) | 1976-03-09 |
DE2544531A1 (de) | 1976-04-15 |
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