GB1409984A - Thread-forming self-locking fastener - Google Patents

Thread-forming self-locking fastener

Info

Publication number
GB1409984A
GB1409984A GB181174A GB181174A GB1409984A GB 1409984 A GB1409984 A GB 1409984A GB 181174 A GB181174 A GB 181174A GB 181174 A GB181174 A GB 181174A GB 1409984 A GB1409984 A GB 1409984A
Authority
GB
United Kingdom
Prior art keywords
thread
locking fastener
forming self
self
forming
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
GB181174A
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.)
Pioneer Screw and Nut Co
Original Assignee
Pioneer Screw and Nut Co
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 Pioneer Screw and Nut Co filed Critical Pioneer Screw and Nut Co
Publication of GB1409984A publication Critical patent/GB1409984A/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
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
    • 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)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
GB181174A 1973-03-08 1974-01-15 Thread-forming self-locking fastener Expired GB1409984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33943673A 1973-03-08 1973-03-08

Publications (1)

Publication Number Publication Date
GB1409984A true GB1409984A (en) 1975-10-15

Family

ID=23328998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB181174A Expired GB1409984A (en) 1973-03-08 1974-01-15 Thread-forming self-locking fastener

Country Status (5)

Country Link
JP (1) JPS49119050A (en)
CH (1) CH585858A5 (en)
DE (1) DE2405430A1 (en)
GB (1) GB1409984A (en)
NL (1) NL7400672A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304849A (en) * 1995-08-24 1997-03-26 Hsu Kuo Tai A screw structure

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51124766A (en) * 1975-04-24 1976-10-30 Crown Seimitsu Kogyo Kk A screw
US5071301A (en) * 1991-02-28 1991-12-10 General Motors Corporation Modified rolled thread form for studs
US5304024A (en) * 1991-03-18 1994-04-19 Adolf Wurth Gmbh & Co. Kg Screw, method and rolling die for the production thereof
DE4108771A1 (en) * 1991-03-18 1992-09-24 Wuerth Adolf Gmbh & Co Kg CHIPBOARD SCREW
JP4875957B2 (en) * 2006-10-10 2012-02-15 株式会社トープラ Tapping screw
KR101350491B1 (en) * 2012-05-14 2014-01-15 최광일 Self-Tapping Bolt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA718526B (en) * 1971-02-11 1972-09-27 Westinghouse Electric Corp An improvement in or relating to ac-dc converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2304849A (en) * 1995-08-24 1997-03-26 Hsu Kuo Tai A screw structure
GB2304849B (en) * 1995-08-24 1999-07-28 Hsu Kuo Tai A screw structure

Also Published As

Publication number Publication date
NL7400672A (en) 1974-09-10
CH585858A5 (en) 1977-03-15
DE2405430A1 (en) 1974-09-19
JPS49119050A (en) 1974-11-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee