NL278918A - - Google Patents

Info

Publication number: NL278918A
Authority: NL; Netherlands

Application number

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.)

1961-05-26

Publication of NL278918A publication Critical patent/NL278918A/xx

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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/44—Making machine elements bolts, studs, or the like
- B21K1/46—Making machine elements bolts, studs, or the like with heads
- B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B15/00—Screwdrivers
- B25B15/001—Screwdrivers characterised by material or shape of the tool bit
- B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
- B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section

NL278918D 1961-05-26 NL278918A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US11283661A	1961-05-26	1961-05-26

Publications (1)

Publication Number	Publication Date
NL278918A true NL278918A (en)

Family

ID=22346082

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
NL133564D NL133564C (en)	1961-05-26
NL278918D NL278918A (en)	1961-05-26

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
NL133564D NL133564C (en)	1961-05-26

Country Status (11)

Country	Link
AT (2)	AT253309B (en)
BE (1)	BE618104A (en)
CH (3)	CH456312A (en)
DE (3)	DE1950935U (en)
DK (1)	DK113041B (en)
ES (1)	ES277721A1 (en)
FI (1)	FI45380C (en)
GB (1)	GB1006509A (en)
LU (1)	LU41783A1 (en)
MY (1)	MY6600087A (en)
NL (2)	NL278918A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1521141A (en) *	1975-07-19	1978-08-16	Gkn Fasteners Ltd	Threaded fastener
US4355552A (en) *	1980-04-14	1982-10-26	Technofast, Inc.	Recessed head screw
GB2129348B (en) *	1982-09-08	1986-09-24	Blum Gmbh Julius	Screws
EP0206564B1 (en) *	1985-06-03	1990-04-04	Isotech Consultants Inc.	Screw driving socket
DE3709513A1 (en) *	1987-03-23	1988-10-13	Salice Arturo Spa	METHOD FOR PRODUCING A SCREW WITH A SCREW HEAD WITH CROSS-SLOTS
GB2244775B (en) *	1990-06-05	1993-08-11	Titus Tool Co Ltd	Screws
IT1269314B (en) *	1994-04-14	1997-03-26	Carlo Sala	SCREW AND RELATIVE SCREWING TOOL
US6223634B1 (en)	1997-10-03	2001-05-01	Phillips Screw Company	Recessed head fastener and driver systems
WO1999047820A1 (en) *	1998-03-18	1999-09-23	Francisco Casino Lorite	Assembly of screw and screwdriver which are mutually self-gripping
BR112017012818A2 (en)	2014-12-17	2018-01-02	Res Engineering & Manufacturing Inc	fixative.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2588404A (en) *	1946-09-04	1952-03-11	Herman G Muenchinger	Fastening device and method of making same
FR1255865A (en) *	1959-05-05	1961-03-10	Phillips Screw Co	Hollow head threaded fastener

0
- NL NL133564D patent/NL133564C/xx active
- NL NL278918D patent/NL278918A/xx unknown
1962
- 1962-05-04 GB GB1712262A patent/GB1006509A/en not_active Expired
- 1962-05-18 DE DE1962G0035522 patent/DE1950935U/en not_active Expired
- 1962-05-18 DE DE19621675640 patent/DE1675640B1/en active Pending
- 1962-05-18 DE DE1962G0025981 patent/DE1949486U/en not_active Expired
- 1962-05-24 FI FI104862A patent/FI45380C/en active
- 1962-05-25 CH CH317067A patent/CH456312A/en unknown
- 1962-05-25 AT AT430062A patent/AT253309B/en active
- 1962-05-25 BE BE618104A patent/BE618104A/en unknown
- 1962-05-25 AT AT1008463A patent/AT241237B/en active
- 1962-05-25 LU LU41783D patent/LU41783A1/xx unknown
- 1962-05-25 CH CH637462A patent/CH451605A/en unknown
- 1962-05-25 CH CH320866A patent/CH464117A/en unknown
- 1962-05-25 DK DK237762A patent/DK113041B/en unknown
- 1962-05-26 ES ES277721A patent/ES277721A1/en not_active Expired
1966
- 1966-12-31 MY MY6600087A patent/MY6600087A/en unknown

Also Published As

Publication number	Publication date
NL133564C (en)
CH464117A (en)	1968-10-15
FI45380B (en)	1972-01-31
DK113041B (en)	1969-02-10
AT241237B (en)	1965-07-12
DE1949486U (en)	1966-11-10
CH456312A (en)	1968-07-15
ES277721A1 (en)	1962-10-01
DE1675640B1 (en)	1969-12-11
GB1006509A (en)	1965-10-06
BE618104A (en)	1962-09-17
FI45380C (en)	1972-05-10
MY6600087A (en)	1966-12-31
DE1950935U (en)	1966-12-01
AT253309B (en)	1967-04-10
LU41783A1 (en)	1962-07-25
CH451605A (en)	1968-05-15

Publication	Publication Date	Title
FI45380B (en)	1972-01-31
AT224007B (en)	1962-10-25
BE622174A (en)
BE623056A (en)
BE600768A (en)
BE482264A (en)
BE478349A (en)
BE600841A (en)
BE600983A (en)
BE476407A (en)
BE475477A (en)
BE475425A (en)
BE601041A (en)
BE601042A (en)
BE472265A (en)
BE469342A (en)
BE601393A (en)
BE464928A (en)
BE601415A (en)
BE458606A (en)
BE601466A (en)
BE601488A (en)
BE601532A (en)
BE601679A (en)
BE601744A (en)