FI80771B - Traeskruv. - Google Patents

Traeskruv. Download PDF

Info

Publication number
FI80771B
FI80771B FI860315A FI860315A FI80771B FI 80771 B FI80771 B FI 80771B FI 860315 A FI860315 A FI 860315A FI 860315 A FI860315 A FI 860315A FI 80771 B FI80771 B FI 80771B
Authority
FI
Finland
Prior art keywords
screw
threads
core
wood
cutting edge
Prior art date
Application number
FI860315A
Other languages
English (en)
Finnish (fi)
Other versions
FI80771C (sv
FI860315A0 (fi
FI860315A (fi
Inventor
Anders Sahlin
Mats Sahlin
Original Assignee
Anders Sahlin
Mats Sahlin
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20356000&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI80771(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Anders Sahlin, Mats Sahlin filed Critical Anders Sahlin
Publication of FI860315A0 publication Critical patent/FI860315A0/fi
Publication of FI860315A publication Critical patent/FI860315A/fi
Application granted granted Critical
Publication of FI80771B publication Critical patent/FI80771B/fi
Publication of FI80771C publication Critical patent/FI80771C/sv

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
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
    • 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
    • F16B25/0015—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 soft organic material, e.g. wood or plastic
    • 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
    • F16B25/0068—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 with multiple-threads, e.g. a double thread 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
    • F16B25/0084—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 geometric details of the tip
    • 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
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Connection Of Plates (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Furniture Connections (AREA)
  • Dowels (AREA)
  • Drilling Tools (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Claims (2)

1. Träskruv innefattande en cylindrisk kärna (2) vars diameter ej överskrider diametern hos ett förborrat hai (13) i en träkropp, samt tvä gängor, nämligen en huvudgänga (3) och en hjälpgänga (4), av vilka den förstnämnda skjuter ut betydligt roer frän kärnans mantelyta än den sistnämnda, varvid i kärnans (2) främre ände förefinns en urtagning (5) uppvisande en sasom ett skär verkande kant (8), kännetecknad av att de bada gängorna (3, 4) är utformade sasom skarpgängor, dvs är tunna i förhällande tili sitt dj up, och ändar pä avständ frän cylinderkärnans (2) främre ände (9) under lämnande av ett frän gängor fritt, väsent-ligen cylindriskt kärnparti (10) avsett att initiellt styra in skruven i tillhörande hai (13) innan gängorna tar, och att urtag-ningen (5) och därmed skärkanten (8) är längre än det gängfria kärnpartiet (10) för att lokalisera änden (3', 4') av en eller flera gängor i omedelbar anslutning tili skärkanten (8) och däri-genom säkerställa avskärning av ifrägakommande träfibrer vid gän- ' gornas inträngning i den hälet omgivande träkroppen snarare än att spjälka desamma.
2. Träskruv enligt patentkravet 1, kännetecknad av att o skärkanten (8) sträcker sig i vinkel, t ex 5-15 eller omkring o 10 mot en generatris utmed kärnans mantelyta.
FI860315A 1984-05-23 1986-01-22 Träskruv FI80771C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8402777A SE442047B (sv) 1984-05-23 1984-05-23 Treskruv
SE8402777 1984-05-23
PCT/SE1985/000199 WO1985005415A1 (en) 1984-05-23 1985-05-07 Wood screw
SE8500199 1985-05-07

Publications (4)

Publication Number Publication Date
FI860315A0 FI860315A0 (fi) 1986-01-22
FI860315A FI860315A (fi) 1986-01-22
FI80771B true FI80771B (fi) 1990-03-30
FI80771C FI80771C (sv) 1990-07-10

Family

ID=20356000

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860315A FI80771C (sv) 1984-05-23 1986-01-22 Träskruv

Country Status (10)

Country Link
EP (1) EP0181390B1 (sv)
JP (1) JPS61502344A (sv)
AT (1) ATE36383T1 (sv)
CA (1) CA1253018A (sv)
DE (1) DE3564316D1 (sv)
DK (1) DK153006C (sv)
FI (1) FI80771C (sv)
NO (1) NO162677C (sv)
SE (1) SE442047B (sv)
WO (1) WO1985005415A1 (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2642801A1 (fr) * 1989-01-17 1990-08-10 Hallouin Jean Insert concu pour etre mis en place dans les materiaux friables a l'aide d'un dispositif de vissage
GB8912483D0 (en) * 1989-05-31 1989-07-19 Unifix Ltd A fastening device
JP3245464B2 (ja) * 1992-11-26 2002-01-15 株式会社スズキ螺子製作所 弛み防止ねじ
JP2001227516A (ja) * 2000-02-15 2001-08-24 Otis:Kk ネ ジ
ITPD20110054A1 (it) * 2011-02-24 2012-08-25 Essetre Holding Spa Struttura di parete prefabbricata
AU2012201509B2 (en) * 2012-03-14 2014-04-24 Taiwan Shan Yin International Co., Ltd A screw capable of rapidly drilling and cutting
TW201632744A (zh) * 2015-03-11 2016-09-16 寬仕工業股份有限公司 防裂及防起毛邊之螺絲
EP3604834B1 (en) * 2017-03-23 2023-10-18 Meidoh Co., Ltd. Bolt
EP4103854A4 (en) * 2020-02-11 2024-01-31 B.M.B. Investments Pty Ltd MULTI-PURPOSE SCREWS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2255997A (en) * 1941-04-10 1941-09-16 Illinois Tool Works Thread cutting screw
US3207023A (en) * 1961-12-01 1965-09-21 Illinois Tool Works Screw fastener
ZA811222B (en) * 1980-03-07 1982-09-29 Illinois Tool Works Self-drilling,self-tapping fastener

Also Published As

Publication number Publication date
EP0181390B1 (en) 1988-08-10
NO162677C (no) 1990-01-31
NO162677B (no) 1989-10-23
CA1253018A (en) 1989-04-25
DK20986A (da) 1986-01-16
FI80771C (sv) 1990-07-10
DK153006B (da) 1988-06-06
FI860315A0 (fi) 1986-01-22
SE8402777D0 (sv) 1984-05-23
WO1985005415A1 (en) 1985-12-05
EP0181390A1 (en) 1986-05-21
JPS61502344A (ja) 1986-10-16
DK20986D0 (da) 1986-01-16
DK153006C (da) 1988-10-17
ATE36383T1 (de) 1988-08-15
DE3564316D1 (en) 1988-09-15
FI860315A (fi) 1986-01-22
SE442047B (sv) 1985-11-25
NO855339L (no) 1985-12-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SAHLIN, MATS

Owner name: SAHLIN, ANDERS