AU8684191A - Roof screw - Google Patents

Roof screw

Info

Publication number
AU8684191A
AU8684191A AU86841/91A AU8684191A AU8684191A AU 8684191 A AU8684191 A AU 8684191A AU 86841/91 A AU86841/91 A AU 86841/91A AU 8684191 A AU8684191 A AU 8684191A AU 8684191 A AU8684191 A AU 8684191A
Authority
AU
Australia
Prior art keywords
roof screw
roof
screw
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
AU86841/91A
Other versions
AU649736B2 (en
Inventor
Nicolaas Hendrik Arnold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Council of Scientific and Industrial Research CSIR
Original Assignee
Council of Scientific and Industrial Research CSIR
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 Council of Scientific and Industrial Research CSIR filed Critical Council of Scientific and Industrial Research CSIR
Publication of AU8684191A publication Critical patent/AU8684191A/en
Application granted granted Critical
Publication of AU649736B2 publication Critical patent/AU649736B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F16B25/0042—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
    • F16B25/0073—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 characterised by its pitch, e.g. a varying pitch
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/3605—Connecting; Fastening of roof covering supported directly by the roof structure
    • E04D3/3606—Connecting; Fastening of roof covering supported directly by the roof structure the fastening means being screws or nails
    • 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
    • F16B25/0031—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 screw being designed to be screwed into different materials, e.g. a layered structure or through metallic and wooden parts
    • 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
    • F16B25/0057—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 screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
    • 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
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0275—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the screw-threaded element having at least two axially separated threaded portions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
AU86841/91A 1990-11-02 1991-10-29 Roof screw Ceased AU649736B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA908791 1990-11-02
ZA90/8791 1990-11-02

Publications (2)

Publication Number Publication Date
AU8684191A true AU8684191A (en) 1992-05-07
AU649736B2 AU649736B2 (en) 1994-06-02

Family

ID=25580371

Family Applications (1)

Application Number Title Priority Date Filing Date
AU86841/91A Ceased AU649736B2 (en) 1990-11-02 1991-10-29 Roof screw

Country Status (2)

Country Link
AU (1) AU649736B2 (en)
GB (1) GB2251666A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2140475C (en) * 1995-01-18 2000-03-07 Uli Walther Screw
DE29621923U1 (en) * 1996-12-17 1998-04-16 Mitek Ind Gmbh Timber structure connection system
DE29805784U1 (en) * 1998-03-30 1999-08-05 Sfs Industrie Holding Ag, Heerbrugg Screw for fastening wooden slats to a roof or wall substructure
EP1015774B1 (en) * 1997-09-22 2005-07-27 SFS intec Holding AG Fixation of wooden laths on a roof substructure or a wall foundation made i.a. of wood
DE20003705U1 (en) * 2000-02-29 2001-07-12 Sfs Industrie Holding Ag, Heerbrugg Connection of two wooden beams that adjoin one another at least approximately at right angles
CA2452521C (en) * 2003-01-07 2008-10-21 Altenloh, Brinck & Co. Gmbh & Co. Kg Self-tapping screw for composite materials
GB2428761B (en) * 2005-08-01 2008-04-09 Michael Wilkinson Universal screw
US7255523B2 (en) 2005-12-22 2007-08-14 Prime Source Building Products, Inc. Dual threaded screw for composite materials
DE202012013100U1 (en) * 2012-06-15 2014-10-30 Reisser Schraubentechnik Gmbh screw
EP3415773B1 (en) * 2017-06-15 2020-02-05 SFS Intec Holding AG Screw with a multi-speed jack thread and fastening arrangement for same
JP2019078153A (en) * 2017-10-25 2019-05-23 ヒロテツ工業株式会社 Drill screw for folded-plate roof and folded-plate roof method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478639A (en) * 1968-09-09 1969-11-18 Illinois Tool Works Screw type fastener
AT380732B (en) * 1984-12-21 1986-06-25 Sfs Stadler Ag SCREW FOR FASTENING ROOF OR WALL CLADDING ELEMENTS OF PROFILED PANELS AND INSULATING LAYER UNDER THEREOF ON A FIXED BASE

Also Published As

Publication number Publication date
AU649736B2 (en) 1994-06-02
GB9122612D0 (en) 1991-12-04
GB2251666A (en) 1992-07-15

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