DE2322351A1 - Selbstschneidendes gewinde-befestigungsglied sowie verfahren und gewinderollbackenpaar zu dessen herstellung - Google Patents
Selbstschneidendes gewinde-befestigungsglied sowie verfahren und gewinderollbackenpaar zu dessen herstellungInfo
- Publication number
- DE2322351A1 DE2322351A1 DE2322351A DE2322351DA DE2322351A1 DE 2322351 A1 DE2322351 A1 DE 2322351A1 DE 2322351 A DE2322351 A DE 2322351A DE 2322351D A DE2322351D A DE 2322351DA DE 2322351 A1 DE2322351 A1 DE 2322351A1
- Authority
- DE
- Germany
- Prior art keywords
- thread
- rolling
- elevations
- shaft
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010079 rubber tapping Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 230000008569 process Effects 0.000 title description 2
- 238000005096 rolling process Methods 0.000 claims description 138
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 14
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000500461 Podostemum ceratophyllum Species 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Forging (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25637072A | 1972-05-24 | 1972-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2322351A1 true DE2322351A1 (de) | 1973-12-06 |
Family
ID=22972001
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2322351A Granted DE2322351A1 (de) | 1972-05-24 | 1973-05-03 | Selbstschneidendes gewinde-befestigungsglied sowie verfahren und gewinderollbackenpaar zu dessen herstellung |
| DE2322351A Expired - Lifetime DE2322351C2 (enrdf_load_stackoverflow) | 1972-05-24 | 1973-05-03 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2322351A Expired - Lifetime DE2322351C2 (enrdf_load_stackoverflow) | 1972-05-24 | 1973-05-03 |
Country Status (18)
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703433A1 (de) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens |
| DE2844412A1 (de) * | 1978-10-12 | 1980-04-17 | Standard Elektrik Lorenz Ag | Becherfoermiges gehaeuse fuer elektrische bauelemente |
| DE102022121435A1 (de) * | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
| DE102022121434A1 (de) * | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4411147A (en) * | 1981-08-12 | 1983-10-25 | Russell Burdsall & Ward Corporation | Rolling dies and method of forming the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2348850A (en) * | 1939-05-03 | 1944-05-16 | Groov Pin Corp | Art of screw rolling |
| FR1337952A (fr) * | 1961-10-25 | 1963-09-20 | Gen Am Transport | Outils à tarauder sans rainure et leurs procédés de fabrication |
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| US3504722A (en) * | 1968-11-20 | 1970-04-07 | Lamson & Sessions Co | Thread forming and locking fastener |
-
1973
- 1973-02-16 CA CA163,957A patent/CA977192A/en not_active Expired
- 1973-05-03 DE DE2322351A patent/DE2322351A1/de active Granted
- 1973-05-03 DE DE2322351A patent/DE2322351C2/de not_active Expired - Lifetime
- 1973-05-09 FI FI1498/73A patent/FI58819C/fi active
- 1973-05-10 CH CH701373A patent/CH572165A5/xx not_active IP Right Cessation
- 1973-05-10 IE IE741/73A patent/IE37620B1/xx unknown
- 1973-05-15 IL IL42270A patent/IL42270A0/xx unknown
- 1973-05-18 NL NLAANVRAGE7307022,A patent/NL174914C/xx not_active IP Right Cessation
- 1973-05-22 FR FR7318538A patent/FR2186084A5/fr not_active Expired
- 1973-05-23 IT IT24448/73A patent/IT987827B/it active
- 1973-05-23 GB GB1473274A patent/GB1376586A/en not_active Expired
- 1973-05-23 BE BE131440A patent/BE799936A/xx not_active IP Right Cessation
- 1973-05-23 ZA ZA733514A patent/ZA733514B/xx unknown
- 1973-05-23 GB GB2477973A patent/GB1376585A/en not_active Expired
- 1973-05-23 NO NO2121/73A patent/NO139343C/no unknown
- 1973-05-23 AT AT448573A patent/AT339118B/de not_active IP Right Cessation
- 1973-05-23 LU LU67649A patent/LU67649A1/xx unknown
- 1973-05-23 SE SE7307258A patent/SE397394B/xx unknown
- 1973-05-24 ES ES415433A patent/ES415433A1/es not_active Expired
-
1975
- 1975-03-03 NO NO750695A patent/NO750695L/no unknown
-
1978
- 1978-11-16 HK HK658/78A patent/HK65878A/xx unknown
- 1978-11-16 HK HK657/78A patent/HK65778A/xx unknown
-
1980
- 1980-06-12 FI FI801888A patent/FI801888A7/fi not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2348850A (en) * | 1939-05-03 | 1944-05-16 | Groov Pin Corp | Art of screw rolling |
| FR1337952A (fr) * | 1961-10-25 | 1963-09-20 | Gen Am Transport | Outils à tarauder sans rainure et leurs procédés de fabrication |
| US3426642A (en) * | 1962-02-05 | 1969-02-11 | Res Eng & Mfg | Self-tapping screws with threadforming projections |
| US3504722A (en) * | 1968-11-20 | 1970-04-07 | Lamson & Sessions Co | Thread forming and locking fastener |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703433A1 (de) * | 1977-01-28 | 1978-12-07 | Schumacher Wilhelm Kg | Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens |
| DE2844412A1 (de) * | 1978-10-12 | 1980-04-17 | Standard Elektrik Lorenz Ag | Becherfoermiges gehaeuse fuer elektrische bauelemente |
| DE102022121435A1 (de) * | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
| DE102022121434A1 (de) * | 2022-08-24 | 2024-02-29 | Ejot Se & Co. Kg | Schraube für die Direktverschraubung in ein Bauteil |
Also Published As
| Publication number | Publication date |
|---|---|
| HK65878A (en) | 1978-11-24 |
| NO139343B (no) | 1978-11-13 |
| IE37620B1 (en) | 1977-08-31 |
| IE37620L (en) | 1973-11-24 |
| DE2322351C2 (enrdf_load_stackoverflow) | 1990-08-23 |
| CA977192A (en) | 1975-11-04 |
| FR2186084A5 (enrdf_load_stackoverflow) | 1974-01-04 |
| NL174914C (nl) | 1984-09-03 |
| SE397394B (sv) | 1977-10-31 |
| IL42270A0 (en) | 1973-07-30 |
| NO750695L (enrdf_load_stackoverflow) | 1973-11-27 |
| NL174914B (nl) | 1984-04-02 |
| ATA448573A (de) | 1977-01-15 |
| FI801888A7 (fi) | 1981-01-01 |
| BE799936A (fr) | 1973-09-17 |
| CH572165A5 (enrdf_load_stackoverflow) | 1976-01-30 |
| HK65778A (en) | 1978-11-24 |
| FI58819C (fi) | 1981-04-10 |
| GB1376586A (en) | 1974-12-04 |
| GB1376585A (en) | 1974-12-04 |
| FI58819B (fi) | 1980-12-31 |
| AT339118B (de) | 1977-10-10 |
| IT987827B (it) | 1975-03-20 |
| NO139343C (no) | 1979-02-21 |
| AU5598073A (en) | 1974-11-28 |
| LU67649A1 (enrdf_load_stackoverflow) | 1973-07-26 |
| ES415433A1 (es) | 1976-02-16 |
| ZA733514B (en) | 1974-11-27 |
| NL7307022A (enrdf_load_stackoverflow) | 1973-11-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| 8125 | Change of the main classification |
Ipc: B21H 3/06 |
|
| 8127 | New person/name/address of the applicant |
Owner name: EMHART INDUSTRIES, INC., FARMINGTON, CONN., US |
|
| 8128 | New person/name/address of the agent |
Representative=s name: BARDEHLE, H., DIPL.-ING. DOST, W., DIPL.-CHEM. DR. |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |