DE29513571U1 - screw - Google Patents

screw

Info

Publication number
DE29513571U1
DE29513571U1 DE29513571U DE29513571U DE29513571U1 DE 29513571 U1 DE29513571 U1 DE 29513571U1 DE 29513571 U DE29513571 U DE 29513571U DE 29513571 U DE29513571 U DE 29513571U DE 29513571 U1 DE29513571 U1 DE 29513571U1
Authority
DE
Germany
Prior art keywords
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
DE29513571U
Other languages
German (de)
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.)
HSU KUO-TAI TAINAN TW
Original Assignee
HSU KUO-TAI TAINAN TW
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 HSU KUO-TAI TAINAN TW filed Critical HSU KUO-TAI TAINAN TW
Priority to DE29513571U priority Critical patent/DE29513571U1/en
Priority to FR9512800A priority patent/FR2740516B3/en
Publication of DE29513571U1 publication Critical patent/DE29513571U1/en
Priority to GB9613342A priority 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)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Connection Of Plates (AREA)
DE29513571U 1995-08-24 1995-08-24 screw Expired - Lifetime DE29513571U1 (en)

Priority Applications (3)

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
GB9613342A GB2304849B (en) 1995-08-24 1996-06-26 A screw structure

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 (1)

Publication Number Publication Date
DE29513571U1 true DE29513571U1 (en) 1995-12-14

Family

ID=26058159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29513571U Expired - Lifetime DE29513571U1 (en) 1995-08-24 1995-08-24 screw

Country Status (3)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807926A1 (en) * 1998-02-25 1999-09-09 Hettich Ludwig & Co screw
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

Families Citing this family (7)

* 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
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
DK1881209T3 (en) * 2006-07-20 2009-02-09 Kuo-Tai Hsu Wooden screw with cutting teeth on screw threads and gaps in the shaft
EP2735746A1 (en) * 2012-11-23 2014-05-28 Peak Innovation Limited Screw, assembly, and method of screwing a screw in an object

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530258A (en) * 1953-07-09
BE620370A (en) * 1961-11-23
GB1409984A (en) * 1973-03-08 1975-10-15 Pioneer Screw Nut Co Thread-forming self-locking fastener
JPH041371Y2 (en) * 1987-02-16 1992-01-17
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
FR2725252B1 (en) * 1994-10-04 1996-12-27 Vynex Sa SELF-DRILLING COUNTERSUNK HEAD SCREWS

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807926A1 (en) * 1998-02-25 1999-09-09 Hettich Ludwig & Co screw
DE102006057259A1 (en) * 2006-11-22 2008-05-29 Swg Schraubenwerk Gaisbach Gmbh screw
EP1925828A3 (en) * 2006-11-22 2009-08-12 SWG Schraubenwerk Gaisbach GmbH Screw
US7862279B2 (en) 2006-11-22 2011-01-04 Swg Schraubenwerk Gaisbach Gmbh Screw
US8408855B2 (en) 2006-11-22 2013-04-02 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

Also Published As

Publication number Publication date
FR2740516B3 (en) 1997-09-26
GB2304849B (en) 1999-07-28
GB2304849A (en) 1997-03-26
GB9613342D0 (en) 1996-08-28
FR2740516A3 (en) 1997-04-30

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19960201

R150 Term of protection extended to 6 years

Effective date: 19981123

R151 Term of protection extended to 8 years

Effective date: 20011121

R152 Term of protection extended to 10 years

Effective date: 20031028

R071 Expiry of right