DK247776A - SELF-CUTTING SCREW - Google Patents

SELF-CUTTING SCREW

Info

Publication number
DK247776A
DK247776A DK247776A DK247776A DK247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A DK 247776 A DK247776 A DK 247776A
Authority
DK
Denmark
Prior art keywords
self
cutting screw
cutting
screw
Prior art date
Application number
DK247776A
Other languages
Danish (da)
Inventor
S Lejdegard
I A Eklund
Original Assignee
Bulten Kanthal Ab
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 Bulten Kanthal Ab filed Critical Bulten Kanthal Ab
Publication of DK247776A publication Critical patent/DK247776A/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
    • 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
    • F16B25/0026—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 a hard non-organic material, e.g. stone, concrete or drywall
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Dowels (AREA)
DK247776A 1975-06-05 1976-06-04 SELF-CUTTING SCREW DK247776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7506443A SE398149B (en) 1975-06-05 1975-06-05 NATURAL SCREW

Publications (1)

Publication Number Publication Date
DK247776A true DK247776A (en) 1976-12-06

Family

ID=20324764

Family Applications (1)

Application Number Title Priority Date Filing Date
DK247776A DK247776A (en) 1975-06-05 1976-06-04 SELF-CUTTING SCREW

Country Status (6)

Country Link
DE (1) DE2625372A1 (en)
DK (1) DK247776A (en)
FI (1) FI761600A (en)
FR (1) FR2313588A1 (en)
NO (1) NO761908L (en)
SE (1) SE398149B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055652A (en) * 1979-08-11 1981-03-11 Gkn Fasteners Ltd Self-drilling self tapping screw
FR2514086A1 (en) * 1981-10-05 1983-04-08 Itw De France ASSEMBLY DEVICE, IN PARTICULAR OF THE INSERT TYPE, FOR MAINTAINING ANY ELEMENT ON PLASTIC, SPECIAL, RIGID SUBSTRATES AND SUBJECTS WHICH ARE DETERIORATED AT FASTENING
US4842467A (en) * 1984-08-24 1989-06-27 Yamashina Seiko-Sho, Ltd. Concrete screw
DE3620372C3 (en) * 1986-06-18 1995-04-20 Rockenfeller Gmbh & Co Kg Nail for driving into pre-drilled holes on components made of hard material
DE8804654U1 (en) * 1988-04-08 1988-08-11 Adolf Würth GmbH & Co. KG, 74653 Künzelsau Self-drilling screw
GB8819820D0 (en) * 1988-08-20 1988-09-21 Tucker Fasteners Ltd Anchors for fixing to dense concrete masonry &c
CH682450A5 (en) * 1990-12-07 1993-09-30 Protek Ag Orthopaedic bone-implant anchoring pin - has retaining portions along spiral line around shank and with cutting edges towards head which is turned by tool
DE19801102A1 (en) * 1998-01-15 1999-07-22 Toge Duebel A Gerhard Kg Tapping screw
DE102010031410A1 (en) * 2010-07-15 2012-01-19 TOGE-Dübel A. Gerhard KG Self-centering screw

Also Published As

Publication number Publication date
SE7506443L (en) 1976-12-06
FR2313588B3 (en) 1979-02-23
DE2625372A1 (en) 1976-12-23
FI761600A (en) 1976-12-06
NO761908L (en) 1976-12-07
FR2313588A1 (en) 1976-12-31
SE398149B (en) 1977-12-05

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