CH534821A - Tapping screw - Google Patents
Tapping screwInfo
- Publication number
- CH534821A CH534821A CH1020371A CH1020371A CH534821A CH 534821 A CH534821 A CH 534821A CH 1020371 A CH1020371 A CH 1020371A CH 1020371 A CH1020371 A CH 1020371A CH 534821 A CH534821 A CH 534821A
- Authority
- CH
- Switzerland
- Prior art keywords
- tapping screw
- tapping
- screw
- Prior art date
Links
- 238000010079 rubber tapping Methods 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/30—Locking exclusively by special shape of the screw-thread
-
- 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
-
- 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)
- Transmission Devices (AREA)
- Connection Of Plates (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5471670A | 1970-07-14 | 1970-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH534821A true CH534821A (en) | 1973-03-15 |
Family
ID=21993034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1020371A CH534821A (en) | 1970-07-14 | 1971-07-12 | Tapping screw |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4832537B2 (en) |
BE (1) | BE769999A (en) |
CA (1) | CA948903A (en) |
CH (1) | CH534821A (en) |
DE (1) | DE2135210C3 (en) |
FR (1) | FR2101694A5 (en) |
GB (1) | GB1308413A (en) |
NL (1) | NL7109704A (en) |
SE (1) | SE375138B (en) |
ZA (1) | ZA714589B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2703433A1 (en) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | THREAD FORMING SCREW AND METHOD OF MANUFACTURING THE SAME AND ROLLING JAW FOR PERFORMING THE METHOD |
DE3046692C2 (en) * | 1980-12-11 | 1986-01-23 | Kamax-Werke Rudolf Kellermann Gmbh & Co Kg, 3360 Osterode | Thread rolling screw |
JP6173498B2 (en) * | 2016-01-25 | 2017-08-02 | 有限会社藤▲崎▼鋲螺 | Non-circular screw |
CN109026954A (en) * | 2018-08-28 | 2018-12-18 | 上海纳特汽车标准件有限公司 | A kind of screw that installation effectiveness can be improved |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2352982A (en) * | 1942-06-25 | 1944-07-04 | American Screw Co | Screw for plastics |
AT210236B (en) * | 1958-07-29 | 1960-07-25 | Strojirny A Slevarny Bohumira | Taps |
DE1400838A1 (en) * | 1961-04-03 | 1968-11-14 | Jllinois Tool Works Inc | Fastener |
US3226743A (en) * | 1961-12-19 | 1966-01-04 | British Tap & Die Company | Fluteless taps |
US3385340A (en) * | 1966-04-22 | 1968-05-28 | Lock Thread Corp | Lock fastener |
JPS4816048U (en) * | 1971-06-07 | 1973-02-23 |
-
1971
- 1971-07-02 GB GB3112771A patent/GB1308413A/en not_active Expired
- 1971-07-12 CH CH1020371A patent/CH534821A/en not_active IP Right Cessation
- 1971-07-13 FR FR7125777A patent/FR2101694A5/fr not_active Expired
- 1971-07-13 JP JP46052068A patent/JPS4832537B2/ja not_active Expired
- 1971-07-13 SE SE7109082A patent/SE375138B/xx unknown
- 1971-07-13 ZA ZA714589A patent/ZA714589B/en unknown
- 1971-07-14 DE DE2135210A patent/DE2135210C3/en not_active Expired
- 1971-07-14 NL NL7109704A patent/NL7109704A/xx unknown
- 1971-07-14 CA CA118,235A patent/CA948903A/en not_active Expired
- 1971-07-14 BE BE769999A patent/BE769999A/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1308413A (en) | 1973-02-21 |
CA948903A (en) | 1974-06-11 |
JPS477960A (en) | 1972-04-27 |
DE2135210B2 (en) | 1980-12-11 |
DE2135210C3 (en) | 1985-04-25 |
SE375138B (en) | 1975-04-07 |
FR2101694A5 (en) | 1972-03-31 |
DE2135210A1 (en) | 1972-01-27 |
ZA714589B (en) | 1972-04-26 |
JPS4832537B2 (en) | 1973-10-06 |
BE769999A (en) | 1972-01-14 |
NL7109704A (en) | 1972-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |