GB625345A - Improvements relating to screws and their manufacture - Google Patents

Improvements relating to screws and their manufacture

Info

Publication number
GB625345A
GB625345A GB1360847A GB1360847A GB625345A GB 625345 A GB625345 A GB 625345A GB 1360847 A GB1360847 A GB 1360847A GB 1360847 A GB1360847 A GB 1360847A GB 625345 A GB625345 A GB 625345A
Authority
GB
United Kingdom
Prior art keywords
screws
head
wood
manufacture
improvements relating
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
GB1360847A
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.)
CHARLES HILL AND Co Ltd
Original Assignee
CHARLES HILL AND Co 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 CHARLES HILL AND Co Ltd filed Critical CHARLES HILL AND Co Ltd
Priority to GB1360847A priority Critical patent/GB625345A/en
Publication of GB625345A publication Critical patent/GB625345A/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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
    • F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/14—Cap nuts; Nut caps or bolt caps

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Artificial Fish Reefs (AREA)

Abstract

625,345. Wood-screws. HILL & CO., Ltd., C., and BRYANT, W. F. C. May 21, 1947, No. 13608. [Class 89 (ii)] [Also in Group XXII] Wood-screws for use with coffins &c. have die-cast heads attached after casting. The head a is cast with a recess having flat sides a<SP>3 </SP>to engage corresponding flats milled on the head of an ordinary wood screw. A flange a2 is spun or pressed in to engage beneath the head b<SP>1</SP> and lock the head a in place.
GB1360847A 1947-05-21 1947-05-21 Improvements relating to screws and their manufacture Expired GB625345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1360847A GB625345A (en) 1947-05-21 1947-05-21 Improvements relating to screws and their manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1360847A GB625345A (en) 1947-05-21 1947-05-21 Improvements relating to screws and their manufacture

Publications (1)

Publication Number Publication Date
GB625345A true GB625345A (en) 1949-06-27

Family

ID=10026127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1360847A Expired GB625345A (en) 1947-05-21 1947-05-21 Improvements relating to screws and their manufacture

Country Status (1)

Country Link
GB (1) GB625345A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295767A (en) * 1979-11-26 1981-10-20 Temple Jr John W Corrosion resistant fastener
US4373842A (en) * 1980-10-20 1983-02-15 Illinois Tool Works Inc. Plastic-headed fastener assembly
US4452556A (en) * 1980-10-06 1984-06-05 Nelson John F Plastic headed fastener
GB2179416A (en) * 1985-08-16 1987-03-04 Auto Turned Products Decorative nut, bolt or screw
US4948318A (en) * 1989-04-03 1990-08-14 Textron, Inc. Non-corrosive headed composite fasteners and a method of producing the same
US4962806A (en) * 1989-04-03 1990-10-16 Textro, Inc. Method of producing non-corrosive headed composite fasteners
US5851095A (en) * 1998-04-14 1998-12-22 Southco, Inc. Captive screw
US6238155B1 (en) 1995-11-06 2001-05-29 Southco, Inc. Torque screw fastener
US6468012B2 (en) 1998-04-14 2002-10-22 Southco, Inc. Captive screw
US6761521B2 (en) 2000-12-16 2004-07-13 Southco, Inc. Captive screw
EP2172661A1 (en) * 2008-10-02 2010-04-07 David Hui Wheel bolts

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295767A (en) * 1979-11-26 1981-10-20 Temple Jr John W Corrosion resistant fastener
US4452556A (en) * 1980-10-06 1984-06-05 Nelson John F Plastic headed fastener
US4373842A (en) * 1980-10-20 1983-02-15 Illinois Tool Works Inc. Plastic-headed fastener assembly
GB2179416A (en) * 1985-08-16 1987-03-04 Auto Turned Products Decorative nut, bolt or screw
US4948318A (en) * 1989-04-03 1990-08-14 Textron, Inc. Non-corrosive headed composite fasteners and a method of producing the same
US4962806A (en) * 1989-04-03 1990-10-16 Textro, Inc. Method of producing non-corrosive headed composite fasteners
US6238155B1 (en) 1995-11-06 2001-05-29 Southco, Inc. Torque screw fastener
US5851095A (en) * 1998-04-14 1998-12-22 Southco, Inc. Captive screw
US6468012B2 (en) 1998-04-14 2002-10-22 Southco, Inc. Captive screw
US6761521B2 (en) 2000-12-16 2004-07-13 Southco, Inc. Captive screw
EP2172661A1 (en) * 2008-10-02 2010-04-07 David Hui Wheel bolts

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