GB190704149A - An Improved Screw-nail - Google Patents

An Improved Screw-nail

Info

Publication number
GB190704149A
GB190704149A GB190704149DA GB190704149A GB 190704149 A GB190704149 A GB 190704149A GB 190704149D A GB190704149D A GB 190704149DA GB 190704149 A GB190704149 A GB 190704149A
Authority
GB
United Kingdom
Prior art keywords
nail
screw
improved screw
point
canham
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
Inventor
Robert Sackville Matheson
Thomas Wall Hardwick
Arthur Goodchild Canham
William Henry Clarke James
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190704149A publication Critical patent/GB190704149A/en
Expired legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

4149. Matheson, R. S., Hardwick, T. W., Canham, A. G., and James, W. H. C. Feb. 19. Screw nails.-A screw nail adapted to be driven into wood and locked by receiving a quarter-turn, is formed with intermittent cutting-threads b of elliptical shape, as shown in Fig. 3. The nail may have a plain point c or a gimlet point. The head is formed with a slot g parallel to the major diameter of the helices b, or it may be of eye, ring, square, or other form.
GB190704149D 1907-02-19 1907-02-19 An Improved Screw-nail Expired GB190704149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190704149T 1907-02-19

Publications (1)

Publication Number Publication Date
GB190704149A true GB190704149A (en) 1907-05-16

Family

ID=32546872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190704149D Expired GB190704149A (en) 1907-02-19 1907-02-19 An Improved Screw-nail

Country Status (1)

Country Link
GB (1) GB190704149A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192819A (en) * 1961-04-03 1965-07-06 Illinois Tool Works Thread forming screw having oval threads and a cutting edge
US4161132A (en) * 1975-06-05 1979-07-17 Bulten-Kanthal Aktiebolog Self-tapping screw

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192819A (en) * 1961-04-03 1965-07-06 Illinois Tool Works Thread forming screw having oval threads and a cutting edge
US4161132A (en) * 1975-06-05 1979-07-17 Bulten-Kanthal Aktiebolog Self-tapping screw

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