KR900020537U - Screw - Google Patents

Screw

Info

Publication number
KR900020537U
KR900020537U KR2019890006989U KR890006989U KR900020537U KR 900020537 U KR900020537 U KR 900020537U KR 2019890006989 U KR2019890006989 U KR 2019890006989U KR 890006989 U KR890006989 U KR 890006989U KR 900020537 U KR900020537 U KR 900020537U
Authority
KR
South Korea
Prior art keywords
screw
Prior art date
Application number
KR2019890006989U
Other languages
Korean (ko)
Other versions
KR910008551Y1 (en
Inventor
김용길
Original Assignee
김용길
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 김용길 filed Critical 김용길
Priority to KR2019890006989U priority Critical patent/KR910008551Y1/en
Publication of KR900020537U publication Critical patent/KR900020537U/en
Application granted granted Critical
Publication of KR910008551Y1 publication Critical patent/KR910008551Y1/en

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
    • F16B25/0036—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)
  • Connection Of Plates (AREA)
  • Joining Of Building Structures In Genera (AREA)
KR2019890006989U 1989-05-26 1989-05-26 Nail KR910008551Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890006989U KR910008551Y1 (en) 1989-05-26 1989-05-26 Nail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890006989U KR910008551Y1 (en) 1989-05-26 1989-05-26 Nail

Publications (2)

Publication Number Publication Date
KR900020537U true KR900020537U (en) 1990-12-13
KR910008551Y1 KR910008551Y1 (en) 1991-10-25

Family

ID=19286453

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890006989U KR910008551Y1 (en) 1989-05-26 1989-05-26 Nail

Country Status (1)

Country Link
KR (1) KR910008551Y1 (en)

Also Published As

Publication number Publication date
KR910008551Y1 (en) 1991-10-25

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee