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GB2178986B - Drill screw - Google Patents
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GB2178986B - Drill screw - Google Patents

Drill screw

Info

Publication number
GB2178986B
GB2178986B GB8619508A GB8619508A GB2178986B GB 2178986 B GB2178986 B GB 2178986B GB 8619508 A GB8619508 A GB 8619508A GB 8619508 A GB8619508 A GB 8619508A GB 2178986 B GB2178986 B GB 2178986B
Authority
GB
United Kingdom
Prior art keywords
drill screw
drill
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
Application number
GB8619508A
Other versions
GB2178986A (en
GB8619508D0 (en
Inventor
George Jesson
Frank Piacenti
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.)
Emhart Industries Inc
Emhart Enterprises Corp
USM Corp
Original Assignee
Emhart Industries Inc
Emhart Enterprises Corp
USM Corp
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 Emhart Industries Inc, Emhart Enterprises Corp, USM Corp filed Critical Emhart Industries Inc
Publication of GB8619508D0 publication Critical patent/GB8619508D0/en
Publication of GB2178986A publication Critical patent/GB2178986A/en
Application granted granted Critical
Publication of GB2178986B publication Critical patent/GB2178986B/en
Expired 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
    • F16B25/10—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Forging (AREA)
  • Dowels (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
GB8619508A 1985-08-14 1986-08-11 Drill screw Expired GB2178986B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76558185A 1985-08-14 1985-08-14

Publications (3)

Publication Number Publication Date
GB8619508D0 GB8619508D0 (en) 1986-09-24
GB2178986A GB2178986A (en) 1987-02-25
GB2178986B true GB2178986B (en) 1989-12-28

Family

ID=25073921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8619508A Expired GB2178986B (en) 1985-08-14 1986-08-11 Drill screw

Country Status (7)

Country Link
JP (1) JPS6241416A (en)
AU (1) AU582457B2 (en)
CA (1) CA1275840C (en)
DE (1) DE3626627C2 (en)
FR (1) FR2586275B1 (en)
GB (1) GB2178986B (en)
IT (1) IT1197865B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2511769B2 (en) * 1991-05-30 1996-07-03 エヌ．ジアンヌズィ ルイス Self drill anchor
US5129901A (en) * 1991-06-10 1992-07-14 Decoste Vern X Cannulated orthopedic screw
US6382892B1 (en) * 2001-01-16 2002-05-07 Dave C. Hempfling Wall anchor with improved drilling tip
JP2003222116A (en) * 2002-01-31 2003-08-08 Honda Motor Co Ltd Self tapping bolt

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100628A (en) * 1981-06-25 1983-01-06 Shinjo Seisakusho Yk A drill screw
GB2169826A (en) * 1985-01-17 1986-07-23 Usm Corp Drill and thread forming fastener

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD81268A (en) *
DD72426A (en) *
DE1938944U (en) * 1966-02-05 1966-05-18 Lennewerk Altena G M B H Schra TIN DRILLING SCREW.
US3395603A (en) * 1966-09-13 1968-08-06 Parker Kaion Corp Rotary threaded fasteners
DD83671A1 (en) * 1969-12-23 1971-08-05 Dieter Dr-Ing Roehrich Bohrtreibschraube
US4147088A (en) * 1977-03-16 1979-04-03 Nl Industries, Inc. Drill screw
US4192217A (en) * 1978-07-17 1980-03-11 J. Schwartzman Manufacturing & Supply Co. Self-drilling screw
US4233880A (en) * 1978-07-20 1980-11-18 Illinois Tool Works Inc. Stainless steel drill screw
JPS597046A (en) * 1982-07-03 1984-01-14 日東紡績株式会社 Synthetic-resin laminated board enabling sharp cutting by laser beam

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2100628A (en) * 1981-06-25 1983-01-06 Shinjo Seisakusho Yk A drill screw
GB2169826A (en) * 1985-01-17 1986-07-23 Usm Corp Drill and thread forming fastener

Also Published As

Publication number Publication date
GB2178986A (en) 1987-02-25
AU582457B2 (en) 1989-03-23
IT1197865B (en) 1988-12-21
JPS6241416A (en) 1987-02-23
FR2586275B1 (en) 1990-01-05
GB8619508D0 (en) 1986-09-24
CA1275840C (en) 1990-11-06
DE3626627A1 (en) 1987-02-19
DE3626627C2 (en) 1995-03-16
IT8621477A0 (en) 1986-08-13
IT8621477A1 (en) 1988-02-13
AU6110986A (en) 1987-02-19
FR2586275A1 (en) 1987-02-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20060810