DK24678A - Gevinddannende skrue og fremgangsmaade til fremstilling af skruen samt valsebakke til gennemfoerelse af fremgangsmaaden - Google Patents

Gevinddannende skrue og fremgangsmaade til fremstilling af skruen samt valsebakke til gennemfoerelse af fremgangsmaaden

Info

Publication number: DK24678A
Authority: DK; Denmark
Prior art keywords: screw; threatening; implementing; procedure; manufacturing
Prior art date: 1977-01-28

Application number

DK24678A

Other languages

English (en)

Other versions

DK148545B (da

DK148545C (da

Inventor

U Schumacher

W Wittmann

Original Assignee

Schumacher W

Priority date (The priority date 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 date listed.)

1977-01-28

Filing date

1978-01-18

Publication date

1978-07-29

1978-01-18 Application filed by Schumacher W filed Critical Schumacher W

1978-07-29 Publication of DK24678A publication Critical patent/DK24678A/da

1985-07-29 Publication of DK148545B publication Critical patent/DK148545B/da

1986-04-07 Application granted granted Critical

1986-04-07 Publication of DK148545C publication Critical patent/DK148545C/da

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
- F16B25/0042—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
- F16B25/0047—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 being characterised by its cross-section in the plane of the shaft axis
- 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
- F16B25/0042—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)
Pinball Game Machines (AREA)
Refuse Collection And Transfer (AREA)
Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)
Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

DK24678A 1977-01-28 1978-01-18 Gevinddannende skrue og fremgangsmaade til fremstilling af skruen DK148545C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2703433		1977-01-28
DE19772703433 DE2703433A1 (de)	1977-01-28	1977-01-28	Gewindeformende schraube sowie verfahren zum herstellen derselben und walzbacke zur durchfuehrung des verfahrens

Publications (3)

Publication Number	Publication Date
DK24678A true DK24678A (da)	1978-07-29
DK148545B DK148545B (da)	1985-07-29
DK148545C DK148545C (da)	1986-04-07

Family

ID=5999735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK24678A DK148545C (da)	1977-01-28	1978-01-18	Gevinddannende skrue og fremgangsmaade til fremstilling af skruen

Country Status (14)

Country	Link
AT (1)	AT362626B (da)
BE (1)	BE863419A (da)
CH (1)	CH632321A5 (da)
DE (1)	DE2703433A1 (da)
DK (1)	DK148545C (da)
ES (1)	ES238409Y (da)
FI (1)	FI68539C (da)
FR (1)	FR2378973A1 (da)
GB (1)	GB1568801A (da)
IT (1)	IT1092132B (da)
NL (1)	NL184127C (da)
NO (1)	NO146507C (da)
PT (1)	PT67580B (da)
SE (1)	SE434295B (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4811585A (en) *	1986-04-02	1989-03-14	Nissan Motor Co., Ltd.	Device for forming asymmetrical articles by rolling
GB8819820D0 (en) *	1988-08-20	1988-09-21	Tucker Fasteners Ltd	Anchors for fixing to dense concrete masonry &c
DE4131165A1 (de) *	1991-09-19	1993-03-25	Schumacher Wilhelm Kg	Gewindefurchende schraube sowie verfahren zum herstellen derselben und walzbacken zur durchfuehrung des verfahrens
DE102005041586A1 (de)	2005-09-01	2007-03-08	Ejot Gmbh & Co. Kg	Gewindefurchende Schraube
DE202010015839U1 (de) *	2010-11-26	2011-02-24	Acument Gmbh & Co. Ohg	Selbstsicherndes Gewinde
DE102020130085B3 (de)	2020-11-13	2022-04-28	Essence Method Refine Co., Ltd.	Methode zur herstellung eines multifunktionellen befestigungselements

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1400838A1 (de) *	1961-04-03	1968-11-14	Jllinois Tool Works Inc	Befestigungselement
US3426642A (en) *	1962-02-05	1969-02-11	Res Eng & Mfg	Self-tapping screws with threadforming projections
GB1219237A (en) *	1969-04-08	1971-01-13	Leon Simons	Vibration-resistant screw
ZA71559B (en) *	1970-01-30	1972-03-29	Nat Lead Co	Thread-rolling method,thread-rolling dies,and method of manufacturing the dies
GB1308413A (en) *	1970-07-14	1973-02-21	Nl Industries Inc	Vibration-resistant thread-forming screw
CA977192A (en) *	1972-05-24	1975-11-04	Usm Corporation	Self tapping fastener and method and dies for making same
US3866509A (en) *	1973-08-22	1975-02-18	Mite Corp	Self-tapping and self-retaining, screw thread insert
US3935785A (en) *	1974-01-03	1976-02-03	Rockford Headed Products, Inc.	Thread swaging screw
US4046051A (en) *	1974-11-14	1977-09-06	Industrial Fasteners Corporation	Thread forming screw

1977
- 1977-01-28 DE DE19772703433 patent/DE2703433A1/de active Granted
- 1977-12-28 NO NO774469A patent/NO146507C/no unknown
1978
- 1978-01-16 NL NLAANVRAGE7800519,A patent/NL184127C/xx not_active IP Right Cessation
- 1978-01-17 SE SE7800519A patent/SE434295B/sv not_active IP Right Cessation
- 1978-01-18 DK DK24678A patent/DK148545C/da not_active IP Right Cessation
- 1978-01-20 FR FR7801956A patent/FR2378973A1/fr active Granted
- 1978-01-23 ES ES1978238409U patent/ES238409Y/es not_active Expired
- 1978-01-24 FI FI780224A patent/FI68539C/fi not_active IP Right Cessation
- 1978-01-25 PT PT67580A patent/PT67580B/pt unknown
- 1978-01-26 IT IT19638/78A patent/IT1092132B/it active
- 1978-01-26 GB GB3175/78A patent/GB1568801A/en not_active Expired
- 1978-01-27 BE BE184713A patent/BE863419A/xx not_active IP Right Cessation
- 1978-01-27 AT AT59978A patent/AT362626B/de not_active IP Right Cessation
- 1978-01-28 CH CH92778A patent/CH632321A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB1568801A (en)	1980-06-04
SE434295B (sv)	1984-07-16
NO146507B (no)	1982-07-05
NO146507C (no)	1982-10-13
NO774469L (no)	1978-07-31
ATA59978A (de)	1980-10-15
NL184127C (nl)	1989-04-17
ES238409Y (es)	1979-04-01
FI68539C (fi)	1985-10-10
FI68539B (fi)	1985-06-28
DK148545B (da)	1985-07-29
FI780224A (fi)	1978-07-29
PT67580A (de)	1978-02-01
BE863419A (fr)	1978-05-16
DE2703433A1 (de)	1978-12-07
ES238409U (es)	1978-11-16
DE2703433C2 (da)	1988-11-03
SE7800519L (sv)	1978-07-29
FR2378973A1 (fr)	1978-08-25
DK148545C (da)	1986-04-07
NL184127B (nl)	1988-11-16
CH632321A5 (en)	1982-09-30
IT1092132B (it)	1985-07-06
PT67580B (de)	1979-06-20
AT362626B (de)	1981-06-10
IT7819638A0 (it)	1978-01-26
FR2378973B1 (da)	1985-01-04
NL7800519A (nl)	1978-08-01

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Legal Events

Date	Code	Title	Description
1998-02-23	PUP	Patent expired