ZA708293B - Self-tread forming threaded fasteners and method and apparatus for making same - Google Patents
Self-tread forming threaded fasteners and method and apparatus for making sameInfo
- Publication number
- ZA708293B ZA708293B ZA708293A ZA708293A ZA708293B ZA 708293 B ZA708293 B ZA 708293B ZA 708293 A ZA708293 A ZA 708293A ZA 708293 A ZA708293 A ZA 708293A ZA 708293 B ZA708293 B ZA 708293B
- Authority
- ZA
- South Africa
- Prior art keywords
- self
- threaded fasteners
- making same
- tread forming
- forming threaded
- 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
- F16B25/001—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
- F16B25/0015—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 a soft organic material, e.g. wood or plastic
-
- 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
- F16B25/0036—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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
- Forging (AREA)
- Surgical Instruments (AREA)
- Numerical Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US398570A | 1970-01-19 | 1970-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA708293B true ZA708293B (en) | 1971-08-25 |
Family
ID=21708541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA708293A ZA708293B (en) | 1970-01-19 | 1970-12-08 | Self-tread forming threaded fasteners and method and apparatus for making same |
Country Status (20)
Country | Link |
---|---|
US (1) | US3681963A (xx) |
JP (1) | JPS5621497B1 (xx) |
KR (1) | KR800000968B1 (xx) |
AT (1) | AT314327B (xx) |
BE (1) | BE761616A (xx) |
BR (1) | BR7100305D0 (xx) |
CA (1) | CA926165A (xx) |
CH (1) | CH541733A (xx) |
DE (2) | DE2100204C3 (xx) |
DK (1) | DK139341C (xx) |
ES (1) | ES387335A1 (xx) |
FI (1) | FI61647C (xx) |
FR (1) | FR2075624A5 (xx) |
GB (1) | GB1336878A (xx) |
IE (1) | IE35529B1 (xx) |
IL (1) | IL35852A (xx) |
NL (2) | NL161697C (xx) |
SE (1) | SE382400B (xx) |
SU (1) | SU419053A3 (xx) |
ZA (1) | ZA708293B (xx) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3835495A (en) * | 1972-12-29 | 1974-09-17 | Illinois Tool Works | Method and apparatus for swaging screw blank extremities |
US4040328A (en) * | 1976-03-10 | 1977-08-09 | Research Engineering & Manufacturing, Inc. | Thread-forming fastener having dual lobulation and dies for making the same |
DE3332570A1 (de) * | 1983-09-09 | 1985-03-28 | Friedr. Boesner GmbH, 5450 Neuwied | Verfahren zur herstellung von selbstformenden und selbstsichernden schrauben mit zusaetzlicher abdicht- und/oder stell-eigenschaft |
JPH0273792U (xx) * | 1988-11-25 | 1990-06-05 | ||
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 |
US5064327A (en) * | 1990-09-10 | 1991-11-12 | Research Engineeering & Manufacturing, Inc. | Oblique point fastener |
US5244327A (en) * | 1992-04-29 | 1993-09-14 | Whitesell Neil L | Trailer bed fastener |
DE19831338C2 (de) * | 1998-07-13 | 2003-06-18 | Sepitec Foundation Vaduz | Knochenschraube |
US6089806A (en) | 1999-01-25 | 2000-07-18 | Conti Fasteners | Blank for self-tapping fastener |
DE102005056119A1 (de) * | 2005-11-27 | 2007-05-24 | Zipprich, Holger, Dipl.-Ing. | Temporäre Schraube für kieferorthopädische Anwendung mit gesteigerter Festigkeit im Knochen |
US10239985B2 (en) | 2008-12-23 | 2019-03-26 | Covestro Llc | Polymer polyols comprising a natural oil base polyol, polyurethane foams comprising these polymer polyols and processes for their preparation |
DE102009041877A1 (de) * | 2009-09-07 | 2011-03-10 | Swg Schraubenwerk Gaisbach Gmbh | Betonschraube |
WO2013127850A1 (en) | 2012-02-29 | 2013-09-06 | Bayer Intellectual Property Gmbh | 2-k pultrusion formulation and process |
EP2657547B1 (de) * | 2012-04-24 | 2014-04-02 | Nedschroef Fraulautern GmbH | Schraube |
EP2894180A1 (en) | 2014-01-08 | 2015-07-15 | Bayer MaterialScience AG | Polymer Polyols comprising a Polyether Carbonate Polyol as the Base Polyol |
DE102014014086A1 (de) * | 2014-09-23 | 2016-03-24 | Gm Global Technology Operations, Llc | Schraube und Schraubenanordnung |
CN106065893A (zh) * | 2015-04-21 | 2016-11-02 | (株)星宇Hitech | 铆接式螺旋钻具 |
JP2018531169A (ja) | 2015-09-17 | 2018-10-25 | ロベルト ベロッツィ ヘレス | 耐力複合パネル、材料、製品、ならびに製造方法および使用方法 |
KR20200112985A (ko) | 2018-02-02 | 2020-10-05 | 바스프 에스이 | 인발성형 공정과 동시적인 섬유 사이징 인-라인의 최적화 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1862486A (en) * | 1931-07-20 | 1932-06-07 | Shakeproof Lock Washer Co | Tapping fastener |
US2093172A (en) * | 1935-03-25 | 1937-09-14 | Illinois Tool Works | Tapping screw |
US2183688A (en) * | 1937-04-24 | 1939-12-19 | Illinois Tool Works | Means for and method of rolling screw threads |
US2183689A (en) * | 1937-07-07 | 1939-12-19 | Illinois Tool Works | Thread forming mechanism |
US2348850A (en) * | 1939-05-03 | 1944-05-16 | Groov Pin Corp | Art of screw rolling |
US2479730A (en) * | 1944-05-10 | 1949-08-23 | Lockheed Aircraft Corp | Screw |
US3195156A (en) * | 1961-06-27 | 1965-07-20 | Res Engineering And Mfg Inc | Method of producing thread swaging devices |
US3180126A (en) * | 1962-11-14 | 1965-04-27 | Textron Ind Inc | Self-tapping screw and method of manufacture |
US3263473A (en) * | 1964-03-12 | 1966-08-02 | Res Engineering And Mfg Inc | Method and apparatus for making threaded fasteners |
NL6408951A (xx) * | 1965-02-08 | 1966-02-07 | ||
US3377906A (en) * | 1966-05-02 | 1968-04-16 | Res Engineering And Mfg Inc | Thread-forming tool |
US3461470A (en) * | 1966-07-07 | 1969-08-19 | Fastron Co | Thread-forming screw and method of making the same |
US3429161A (en) * | 1966-10-11 | 1969-02-25 | Milton Morse | Means and method of making spiral binding fasteners |
US3550255A (en) * | 1968-07-05 | 1970-12-29 | Parker Kalon Corp | Method of making rotary threaded fasteners |
-
1970
- 1970-01-19 US US3985A patent/US3681963A/en not_active Expired - Lifetime
- 1970-12-08 ZA ZA708293A patent/ZA708293B/xx unknown
- 1970-12-09 CA CA100242A patent/CA926165A/en not_active Expired
- 1970-12-10 GB GB5878270A patent/GB1336878A/en not_active Expired
- 1970-12-11 IE IE1584/70A patent/IE35529B1/xx unknown
- 1970-12-14 IL IL35852A patent/IL35852A/xx unknown
- 1970-12-15 FI FI3384/70A patent/FI61647C/fi active
- 1970-12-23 AT AT1160270A patent/AT314327B/de not_active IP Right Cessation
-
1971
- 1971-01-05 DE DE2100204A patent/DE2100204C3/de not_active Expired
- 1971-01-05 DE DE19712167036 patent/DE2167036A1/de not_active Withdrawn
- 1971-01-08 NL NL7100217.A patent/NL161697C/xx not_active IP Right Cessation
- 1971-01-09 KR KR7100020A patent/KR800000968B1/ko active
- 1971-01-12 SU SU1622651A patent/SU419053A3/ru active
- 1971-01-15 BE BE761616A patent/BE761616A/xx not_active IP Right Cessation
- 1971-01-15 FR FR7101400A patent/FR2075624A5/fr not_active Expired
- 1971-01-16 ES ES387335A patent/ES387335A1/es not_active Expired
- 1971-01-18 BR BR000305/71A patent/BR7100305D0/pt unknown
- 1971-01-18 DK DK19671A patent/DK139341C/da active
- 1971-01-18 CH CH71971A patent/CH541733A/fr not_active IP Right Cessation
- 1971-01-19 JP JP110571A patent/JPS5621497B1/ja active Pending
- 1971-01-19 SE SE7100595A patent/SE382400B/xx unknown
-
1978
- 1978-09-11 NL NL7809243A patent/NL7809243A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1336878A (en) | 1973-11-14 |
NL7809243A (nl) | 1978-12-29 |
AT314327B (de) | 1974-03-25 |
BR7100305D0 (pt) | 1973-05-10 |
DE2100204C3 (de) | 1978-03-23 |
DK139341B (da) | 1979-02-05 |
JPS5621497B1 (xx) | 1981-05-20 |
FR2075624A5 (xx) | 1971-10-08 |
SE382400B (sv) | 1976-02-02 |
FI61647B (fi) | 1982-05-31 |
IE35529L (en) | 1971-07-19 |
DK139341C (da) | 1979-07-09 |
KR800000968B1 (en) | 1980-09-17 |
IL35852A (en) | 1974-07-31 |
NL161697C (nl) | 1980-03-17 |
FI61647C (fi) | 1982-09-10 |
NL161697B (nl) | 1979-10-15 |
DE2100204A1 (de) | 1971-07-29 |
CA926165A (en) | 1973-05-15 |
BE761616A (fr) | 1971-06-16 |
SU419053A3 (ru) | 1974-03-05 |
CH541733A (fr) | 1973-09-15 |
DE2100204B2 (de) | 1977-07-28 |
NL7100217A (xx) | 1971-07-21 |
US3681963A (en) | 1972-08-08 |
ES387335A1 (es) | 1974-01-01 |
IE35529B1 (en) | 1976-03-18 |
IL35852A0 (en) | 1971-02-25 |
DE2167036A1 (de) | 1977-11-10 |
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