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GB9612421D0 - Countersunk screw - Google Patents

Countersunk screw

Info

Publication number
GB9612421D0
GB9612421D0 GBGB9612421.9A GB9612421A GB9612421D0 GB 9612421 D0 GB9612421 D0 GB 9612421D0 GB 9612421 A GB9612421 A GB 9612421A GB 9612421 D0 GB9612421 D0 GB 9612421D0
Authority
GB
United Kingdom
Prior art keywords
countersunk screw
countersunk
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.)
Granted
Application number
GBGB9612421.9A
Other versions
GB2314133B (en
GB2314133A (en
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.)
YU CHAO H
Original Assignee
YU CHAO H
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 YU CHAO H filed Critical YU CHAO H
Priority to GB9612421A priority Critical patent/GB2314133B/en
Publication of GB9612421D0 publication Critical patent/GB9612421D0/en
Publication of GB2314133A publication Critical patent/GB2314133A/en
Application granted granted Critical
Publication of GB2314133B publication Critical patent/GB2314133B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB9612421A 1996-06-13 1996-06-13 Countersunk screws Expired - Lifetime GB2314133B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9612421A GB2314133B (en) 1996-06-13 1996-06-13 Countersunk screws

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9612421A GB2314133B (en) 1996-06-13 1996-06-13 Countersunk screws

Publications (3)

Publication Number Publication Date
GB9612421D0 true GB9612421D0 (en) 1996-08-14
GB2314133A GB2314133A (en) 1997-12-17
GB2314133B GB2314133B (en) 1998-03-11

Family

ID=10795267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9612421A Expired - Lifetime GB2314133B (en) 1996-06-13 1996-06-13 Countersunk screws

Country Status (1)

Country Link
GB (1) GB2314133B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2358688A (en) * 2000-01-26 2001-08-01 Martin James Killeavy Self countersinking woodscrew
ES2672593T3 (en) * 2015-09-30 2018-06-15 Hung-I Hsu Screw

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602614A (en) * 1945-08-10 1948-05-31 Mark Bryan Improvements in or relating to screws
GB1120844A (en) * 1965-07-22 1968-07-24 James Henry Thomas Harrington Improvements in screws
US3903784A (en) * 1972-01-03 1975-09-09 Anchor Bolt And Screw Company Self-countersinking fastener head
GB2210428A (en) * 1987-11-05 1989-06-07 George Nicholas Pillans The self-countersingking screw
GB8901659D0 (en) * 1989-01-27 1989-03-15 Quarmby David I Improvements in or relating to screw fasteners
FR2725252B1 (en) * 1994-10-04 1996-12-27 Vynex Sa SELF-DRILLING COUNTERSUNK HEAD SCREWS

Also Published As

Publication number Publication date
GB2314133B (en) 1998-03-11
GB2314133A (en) 1997-12-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110512 AND 20110518

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120126 AND 20120201

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120202 AND 20120208

PE20 Patent expired after termination of 20 years

Expiry date: 20160612