AT339118B - PROCESS FOR MANUFACTURING A SELF-TAPPING SCREW, AND PAIR OF THREADED ROLLING JAWS THEREFORE - Google Patents

PROCESS FOR MANUFACTURING A SELF-TAPPING SCREW, AND PAIR OF THREADED ROLLING JAWS THEREFORE

Info

Publication number: AT339118B
Authority: AT; Austria
Prior art keywords: self; pair; manufacturing; tapping screw; rolling jaws
Prior art date: 1972-05-24

Application number

AT448573A

Other languages

German (de)

Other versions

ATA448573A (en

Original Assignee

Usm Corp

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.)

1972-05-24

Filing date

1973-05-23

Publication date

1977-10-10

1973-05-23 Application filed by Usm Corp filed Critical Usm Corp

1977-01-15 Publication of ATA448573A publication Critical patent/ATA448573A/en

1977-10-10 Application granted granted Critical

1977-10-10 Publication of AT339118B publication Critical patent/AT339118B/en

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)

AT448573A 1972-05-24 1973-05-23 PROCESS FOR MANUFACTURING A SELF-TAPPING SCREW, AND PAIR OF THREADED ROLLING JAWS THEREFORE AT339118B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US25637072A	1972-05-24	1972-05-24

Publications (2)

Publication Number	Publication Date
ATA448573A ATA448573A (en)	1977-01-15
AT339118B true AT339118B (en)	1977-10-10

Family

ID=22972001

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT448573A AT339118B (en)	1972-05-24	1973-05-23	PROCESS FOR MANUFACTURING A SELF-TAPPING SCREW, AND PAIR OF THREADED ROLLING JAWS THEREFORE

Country Status (18)

Country	Link
AT (1)	AT339118B (en)
BE (1)	BE799936A (en)
CA (1)	CA977192A (en)
CH (1)	CH572165A5 (en)
DE (2)	DE2322351A1 (en)
ES (1)	ES415433A1 (en)
FI (1)	FI58819C (en)
FR (1)	FR2186084A5 (en)
GB (2)	GB1376586A (en)
HK (2)	HK65878A (en)
IE (1)	IE37620B1 (en)
IL (1)	IL42270A0 (en)
IT (1)	IT987827B (en)
LU (1)	LU67649A1 (en)
NL (1)	NL174914C (en)
NO (2)	NO139343C (en)
SE (1)	SE397394B (en)
ZA (1)	ZA733514B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0071844A2 (en) *	1981-08-12	1983-02-16	Russell, Burdsall & Ward Corporation	Rolling dies and method of forming the same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
DE2844412C2 (en) *	1978-10-12	1986-03-27	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Cup-shaped housing for electrical components
DE102022121435A1 (en)	2022-08-24	2024-02-29	Ejot Se & Co. Kg	Screw for direct screwing into a component
DE102022121434A1 (en)	2022-08-24	2024-02-29	Ejot Se & Co. Kg	Screw for direct screwing into a component

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2348850A (en) *	1939-05-03	1944-05-16	Groov Pin Corp	Art of screw rolling
FR1337952A (en) *	1961-10-25	1963-09-20	Gen Am Transport	Groove-less tapping tools and manufacturing processes
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/en active Granted
- 1973-05-03 DE DE2322351A patent/DE2322351C2/de not_active Expired - Lifetime
- 1973-05-09 FI FI1498/73A patent/FI58819C/en active
- 1973-05-10 IE IE741/73A patent/IE37620B1/en unknown
- 1973-05-10 CH CH701373A patent/CH572165A5/xx not_active IP Right Cessation
- 1973-05-15 IL IL42270A patent/IL42270A0/en unknown
- 1973-05-18 NL NLAANVRAGE7307022,A patent/NL174914C/en not_active IP Right Cessation
- 1973-05-22 FR FR7318538A patent/FR2186084A5/fr not_active Expired
- 1973-05-23 AT AT448573A patent/AT339118B/en not_active IP Right Cessation
- 1973-05-23 BE BE131440A patent/BE799936A/en not_active IP Right Cessation
- 1973-05-23 GB GB1473274A patent/GB1376586A/en not_active Expired
- 1973-05-23 NO NO2121/73A patent/NO139343C/en unknown
- 1973-05-23 GB GB2477973A patent/GB1376585A/en not_active Expired
- 1973-05-23 IT IT24448/73A patent/IT987827B/en active
- 1973-05-23 SE SE7307258A patent/SE397394B/en unknown
- 1973-05-23 LU LU67649A patent/LU67649A1/xx unknown
- 1973-05-23 ZA ZA733514A patent/ZA733514B/en unknown
- 1973-05-24 ES ES415433A patent/ES415433A1/en not_active Expired
1975
- 1975-03-03 NO NO750695A patent/NO750695L/no unknown
1978
- 1978-11-16 HK HK658/78A patent/HK65878A/en unknown
- 1978-11-16 HK HK657/78A patent/HK65778A/en unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0071844A2 (en) *	1981-08-12	1983-02-16	Russell, Burdsall & Ward Corporation	Rolling dies and method of forming the same
EP0071844A3 (en) *	1981-08-12	1983-10-12	Russell, Burdsall & Ward Corporation	Rolling dies and method of forming the same

Also Published As

Publication number	Publication date
FR2186084A5 (en)	1974-01-04
DE2322351C2 (en)	1990-08-23
IT987827B (en)	1975-03-20
DE2322351A1 (en)	1973-12-06
GB1376586A (en)	1974-12-04
AU5598073A (en)	1974-11-28
CH572165A5 (en)	1976-01-30
LU67649A1 (en)	1973-07-26
BE799936A (en)	1973-09-17
NO750695L (en)	1973-11-27
NL174914C (en)	1984-09-03
IE37620L (en)	1973-11-24
ES415433A1 (en)	1976-02-16
NO139343C (en)	1979-02-21
NL174914B (en)	1984-04-02
HK65778A (en)	1978-11-24
NO139343B (en)	1978-11-13
GB1376585A (en)	1974-12-04
FI58819C (en)	1981-04-10
IE37620B1 (en)	1977-08-31
CA977192A (en)	1975-11-04
ATA448573A (en)	1977-01-15
IL42270A0 (en)	1973-07-30
NL7307022A (en)	1973-11-27
FI58819B (en)	1980-12-31
HK65878A (en)	1978-11-24
ZA733514B (en)	1974-11-27
SE397394B (en)	1977-10-31

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Legal Events

Date	Code	Title	Description
1987-10-15	ELJ	Ceased due to non-payment of the annual fee