GB2072781B - Woodscrew - Google Patents

Woodscrew

Info

Publication number
GB2072781B
GB2072781B GB8100285A GB8100285A GB2072781B GB 2072781 B GB2072781 B GB 2072781B GB 8100285 A GB8100285 A GB 8100285A GB 8100285 A GB8100285 A GB 8100285A GB 2072781 B GB2072781 B GB 2072781B
Authority
GB
United Kingdom
Prior art keywords
woodscrew
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
GB8100285A
Other versions
GB2072781A (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.)
GKN Screws and Fasteners Ltd
Original Assignee
GKN Screws and Fasteners Ltd
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 GKN Screws and Fasteners Ltd filed Critical GKN Screws and Fasteners Ltd
Priority to GB8100285A priority Critical patent/GB2072781B/en
Publication of GB2072781A publication Critical patent/GB2072781A/en
Application granted granted Critical
Publication of GB2072781B publication Critical patent/GB2072781B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/56—Making machine elements screw-threaded elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/44—Making machine elements bolts, studs, or the like
    • B21K1/46—Making machine elements bolts, studs, or the like with heads
    • B21K1/463—Making machine elements bolts, studs, or the like with heads with recessed heads
    • 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
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
GB8100285A 1980-03-28 1981-01-06 Woodscrew Expired GB2072781B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8100285A GB2072781B (en) 1980-03-28 1981-01-06 Woodscrew

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8010556 1980-03-28
GB8100285A GB2072781B (en) 1980-03-28 1981-01-06 Woodscrew

Publications (2)

Publication Number Publication Date
GB2072781A GB2072781A (en) 1981-10-07
GB2072781B true GB2072781B (en) 1983-12-07

Family

ID=26275014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8100285A Expired GB2072781B (en) 1980-03-28 1981-01-06 Woodscrew

Country Status (1)

Country Link
GB (1) GB2072781B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102605B1 (en) * 1982-09-02 1986-08-13 Rockenfeller KG Befestigungselemente Wood-screw
GB8326359D0 (en) * 1983-10-01 1983-11-02 Headrate Ltd Fastening
GB2202023B (en) * 1987-03-06 1991-04-17 Huntingdon Fastener Co Limited Improvements in wall fixings
CA2140475C (en) * 1995-01-18 2000-03-07 Uli Walther Screw
GB2318534A (en) * 1996-10-28 1998-04-29 Richard Gareth Cross Masonry drill for driving compatible screws
DE20315202U1 (en) * 2003-10-02 2003-12-18 Abc Verbindungstechnik Gmbh & Co. Kg Screw element, in particular for Querzug- and / or transverse pressure reinforcement of timber components

Also Published As

Publication number Publication date
GB2072781A (en) 1981-10-07

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Legal Events

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