AT241237B - Stamp for embossing a cross-shaped recess - Google Patents

Stamp for embossing a cross-shaped recess

Info

Publication number
AT241237B
AT241237B AT1008463A AT1008463A AT241237B AT 241237 B AT241237 B AT 241237B AT 1008463 A AT1008463 A AT 1008463A AT 1008463 A AT1008463 A AT 1008463A AT 241237 B AT241237 B AT 241237B
Authority
AT
Austria
Prior art keywords
embossing
stamp
cross
shaped recess
recess
Prior art date
Application number
AT1008463A
Other languages
German (de)
Original Assignee
Gkn Screws Fasteners Ltd
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.)
Filing date
Publication date
Application filed by Gkn Screws Fasteners Ltd filed Critical Gkn Screws Fasteners Ltd
Application granted granted Critical
Publication of AT241237B publication Critical patent/AT241237B/en

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Insertion Pins And Rivets (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Connection Of Plates (AREA)
  • Slide Fasteners (AREA)
AT1008463A 1961-05-26 1962-05-25 Stamp for embossing a cross-shaped recess AT241237B (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
AT241237B true AT241237B (en) 1965-07-12

Family

ID=22346082

Family Applications (2)

Application Number Title Priority Date Filing Date
AT1008463A AT241237B (en) 1961-05-26 1962-05-25 Stamp for embossing a cross-shaped recess
AT430062A AT253309B (en) 1961-05-26 1962-05-25 Screw with cruciform recess embossed in the screw head and screwdriver to go with it

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT430062A AT253309B (en) 1961-05-26 1962-05-25 Screw with cruciform recess embossed in the screw head and screwdriver to go with it

Country Status (11)

Country Link
AT (2) AT241237B (en)
BE (1) BE618104A (en)
CH (3) CH456312A (en)
DE (3) DE1675640B1 (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
DE3670134D1 (en) * 1985-06-03 1990-05-10 Isotech Consultants Inc SCREW DRIVE REMOVAL.
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
US9957993B2 (en) 2014-12-17 2018-05-01 Research Engineering & Manufacturing Inc Recessed head fastener and driver combination

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

Also Published As

Publication number Publication date
BE618104A (en) 1962-09-17
NL133564C (en)
FI45380B (en) 1972-01-31
ES277721A1 (en) 1962-10-01
CH464117A (en) 1968-10-15
DE1949486U (en) 1966-11-10
DE1950935U (en) 1966-12-01
DE1675640B1 (en) 1969-12-11
MY6600087A (en) 1966-12-31
AT253309B (en) 1967-04-10
LU41783A1 (en) 1962-07-25
NL278918A (en)
FI45380C (en) 1972-05-10
CH456312A (en) 1968-07-15
CH451605A (en) 1968-05-15
GB1006509A (en) 1965-10-06
DK113041B (en) 1969-02-10

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