DE29611864U1 - screw - Google Patents

screw

Info

Publication number
DE29611864U1
DE29611864U1 DE29611864U DE29611864U DE29611864U1 DE 29611864 U1 DE29611864 U1 DE 29611864U1 DE 29611864 U DE29611864 U DE 29611864U DE 29611864 U DE29611864 U DE 29611864U DE 29611864 U1 DE29611864 U1 DE 29611864U1
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
DE29611864U
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.)
CHU YAO CHING
CHU YUNG CHANG
Original Assignee
CHU YAO CHING
CHU YUNG CHANG
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
Priority to FR9607399A priority Critical patent/FR2749890B3/en
Priority to NL1003399A priority patent/NL1003399C1/en
Application filed by CHU YAO CHING, CHU YUNG CHANG filed Critical CHU YAO CHING
Priority to DE29611864U priority patent/DE29611864U1/en
Priority to CA002183211A priority patent/CA2183211A1/en
Publication of DE29611864U1 publication Critical patent/DE29611864U1/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
    • 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
    • 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
    • F16B25/0057—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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
DE29611864U 1996-06-14 1996-07-08 screw Expired - Lifetime DE29611864U1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9607399A FR2749890B3 (en) 1996-06-14 1996-06-14 CUTTING THREAD SCREWS
NL1003399A NL1003399C1 (en) 1996-06-14 1996-06-21 Screw bolt.
DE29611864U DE29611864U1 (en) 1996-06-14 1996-07-08 screw
CA002183211A CA2183211A1 (en) 1996-06-14 1996-08-13 Screw

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9607399A FR2749890B3 (en) 1996-06-14 1996-06-14 CUTTING THREAD SCREWS
NL1003399A NL1003399C1 (en) 1996-06-14 1996-06-21 Screw bolt.
DE29611864U DE29611864U1 (en) 1996-06-14 1996-07-08 screw
CA002183211A CA2183211A1 (en) 1996-06-14 1996-08-13 Screw

Publications (1)

Publication Number Publication Date
DE29611864U1 true DE29611864U1 (en) 1996-09-12

Family

ID=27427282

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29611864U Expired - Lifetime DE29611864U1 (en) 1996-06-14 1996-07-08 screw

Country Status (4)

Country Link
CA (1) CA2183211A1 (en)
DE (1) DE29611864U1 (en)
FR (1) FR2749890B3 (en)
NL (1) NL1003399C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001178A2 (en) 1998-11-13 2000-05-17 TOGE-Dübel A. Gerhard KG Screw for gas concrete
DE10045274A1 (en) * 2000-09-13 2002-03-21 Toge Duebel A Gerhard Kg Thread-forming screw, especially concrete screw

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29812526U1 (en) * 1998-07-14 1999-11-25 Fischer Artur Werke Gmbh Thread forming screw

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943575A (en) * 1961-04-26 1963-12-04 Gen Am Transport Thread-swaging and fastening screws
US4844676A (en) * 1986-10-23 1989-07-04 Pheoll Manufacturing Company, Inc. Self-penetrating screw
DE3926951A1 (en) * 1989-08-14 1991-02-21 Wakai Sangyo Kk Clamping screw with alternate cutting and guiding threads - has some of cutting threada1s, near screw head, provided with projections around thread circumference
DE4419988A1 (en) * 1994-06-08 1995-12-14 Eichsfelder Schraubenwerk Gmbh Thread=cutting screw, in partic. for chipboard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB943575A (en) * 1961-04-26 1963-12-04 Gen Am Transport Thread-swaging and fastening screws
US4844676A (en) * 1986-10-23 1989-07-04 Pheoll Manufacturing Company, Inc. Self-penetrating screw
DE3926951A1 (en) * 1989-08-14 1991-02-21 Wakai Sangyo Kk Clamping screw with alternate cutting and guiding threads - has some of cutting threada1s, near screw head, provided with projections around thread circumference
DE4419988A1 (en) * 1994-06-08 1995-12-14 Eichsfelder Schraubenwerk Gmbh Thread=cutting screw, in partic. for chipboard

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1001178A2 (en) 1998-11-13 2000-05-17 TOGE-Dübel A. Gerhard KG Screw for gas concrete
DE19852339A1 (en) * 1998-11-13 2000-05-18 Toge Duebel A Gerhard Kg Gas concrete screw
DE19852339B4 (en) * 1998-11-13 2008-02-07 TOGE-Dübel A. Gerhard KG Concrete screw
DE10045274A1 (en) * 2000-09-13 2002-03-21 Toge Duebel A Gerhard Kg Thread-forming screw, especially concrete screw

Also Published As

Publication number Publication date
FR2749890A3 (en) 1997-12-19
FR2749890B3 (en) 1998-05-07
CA2183211A1 (en) 1998-02-14
NL1003399C1 (en) 1997-12-23

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19961024

R163 Identified publications notified

Effective date: 19960920

R156 Lapse of ip right after 3 years

Effective date: 20000503