GB2304849B - A screw structure - Google Patents

A screw structure

Info

Publication number
GB2304849B
GB2304849B GB9613342A GB9613342A GB2304849B GB 2304849 B GB2304849 B GB 2304849B GB 9613342 A GB9613342 A GB 9613342A GB 9613342 A GB9613342 A GB 9613342A GB 2304849 B GB2304849 B GB 2304849B
Authority
GB
United Kingdom
Prior art keywords
screw structure
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.)
Expired - Lifetime
Application number
GB9613342A
Other versions
GB2304849A (en
GB9613342D0 (en
Inventor
Kuo-Tai Hsu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9613342D0 publication Critical patent/GB9613342D0/en
Publication of GB2304849A publication Critical patent/GB2304849A/en
Application granted granted Critical
Publication of GB2304849B publication Critical patent/GB2304849B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads
    • F16B35/065—Specially-shaped heads with self-countersink-cutting means
    • 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
    • F16B25/0042—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Connection Of Plates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Materials For Medical Uses (AREA)
  • Polyesters Or Polycarbonates (AREA)
GB9613342A 1995-08-24 1996-06-26 A screw structure Expired - Lifetime GB2304849B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29513571U DE29513571U1 (en) 1995-08-24 1995-08-24 screw
FR9512800A FR2740516B3 (en) 1995-08-24 1995-10-30 SCREW STRUCTURE

Publications (3)

Publication Number Publication Date
GB9613342D0 GB9613342D0 (en) 1996-08-28
GB2304849A GB2304849A (en) 1997-03-26
GB2304849B true GB2304849B (en) 1999-07-28

Family

ID=26058159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9613342A Expired - Lifetime GB2304849B (en) 1995-08-24 1996-06-26 A screw structure

Country Status (3)

Country Link
DE (1) DE29513571U1 (en)
FR (1) FR2740516B3 (en)
GB (1) GB2304849B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999017908A1 (en) * 1997-10-07 1999-04-15 Fcd (Holdings) Pty. Limited A tool and countersinking screw
DE19807926A1 (en) * 1998-02-25 1999-09-09 Hettich Ludwig & Co screw
GB2336415A (en) * 1998-04-14 1999-10-20 Kenneth Williams Self countersinking screw
GB2333567B (en) * 1998-04-28 1999-12-08 T I Midwood & Co Ltd Brass woodscrew
AUPQ727500A0 (en) * 2000-05-03 2000-05-25 Itw Australia Pty Ltd A screw fastener
GB0129141D0 (en) * 2001-12-05 2002-01-23 Gell Terry Screw
DE602006003091D1 (en) * 2006-07-20 2008-11-20 Kuo-Tai Hsu Wood screw with cutting teeth on the thread and with a shaft with grooves
DE102006057259A1 (en) 2006-11-22 2008-05-29 Swg Schraubenwerk Gaisbach Gmbh screw
DE102008057678A1 (en) 2008-11-17 2010-05-20 Markus Rensburg Screw for use in e.g. timber work, has thread rolled on region, where folded thread is provided in tip region of thread and expanding units i.e. cutting ribs, are provided in another region, above thread and below screw shaft
EP2735746A1 (en) * 2012-11-23 2014-05-28 Peak Innovation Limited Screw, assembly, and method of screwing a screw in an object

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757763A (en) * 1953-07-09 1956-09-26 American Screw Co Improved self-locking screw
GB925135A (en) * 1961-11-23 1963-05-01 Robertson Mfg Co Self-tapping wood screw
GB1409984A (en) * 1973-03-08 1975-10-15 Pioneer Screw Nut Co Thread-forming self-locking fastener
US4874278A (en) * 1987-02-16 1989-10-17 Kabushiki Kaisha Yamahiro Wood screw with chip removing portion
US5199839A (en) * 1991-10-09 1993-04-06 Abbott-Interfast Corporation Fastener screw having improved installation and self-locking characteristics
US5273383A (en) * 1991-04-04 1993-12-28 Research Engineering & Manufacturing, Inc. Threaded fastener for use in thermoplastics and roll die for producing same
EP0705987A1 (en) * 1994-10-04 1996-04-10 Vynex S.A. Self-cutting drilled screw head

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757763A (en) * 1953-07-09 1956-09-26 American Screw Co Improved self-locking screw
GB925135A (en) * 1961-11-23 1963-05-01 Robertson Mfg Co Self-tapping wood screw
GB1409984A (en) * 1973-03-08 1975-10-15 Pioneer Screw Nut Co Thread-forming self-locking fastener
US4874278A (en) * 1987-02-16 1989-10-17 Kabushiki Kaisha Yamahiro Wood screw with chip removing portion
US5273383A (en) * 1991-04-04 1993-12-28 Research Engineering & Manufacturing, Inc. Threaded fastener for use in thermoplastics and roll die for producing same
US5199839A (en) * 1991-10-09 1993-04-06 Abbott-Interfast Corporation Fastener screw having improved installation and self-locking characteristics
EP0705987A1 (en) * 1994-10-04 1996-04-10 Vynex S.A. Self-cutting drilled screw head

Also Published As

Publication number Publication date
FR2740516A3 (en) 1997-04-30
GB2304849A (en) 1997-03-26
DE29513571U1 (en) 1995-12-14
GB9613342D0 (en) 1996-08-28
FR2740516B3 (en) 1997-09-26

Similar Documents

Publication Publication Date Title
HK1014443A1 (en) A screw
GB2300796B (en) A falsie
GB2310195B (en) A tapeline
ZA962982B (en) A new combination
GB2304849B (en) A screw structure
GB2297489B (en) A tooth-cleaner
GB2306244B (en) A tremolo effect unit
IL116426A0 (en) A deep-fryer structure
GB9522865D0 (en) A stay
GB2299970B (en) A publication
GB2297894B (en) A falsie
GB2307877B (en) A plane
GB2304376B (en) A stay
AU121622S (en) A screw
AU121658S (en) A screw
GB9516323D0 (en) A structure
AU131061S (en) Screw
TW318532U (en) Screw
AU128985S (en) A screw cap
AU129067S (en) A screw cap
GB9519300D0 (en) A depth-finder
ZA965287B (en) A weight-belt
AU126914S (en) A teatowel
GB9504971D0 (en) A sackbarrow
AU126915S (en) A teatowel

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160625