GB190704149A - An Improved Screw-nail - Google Patents
An Improved Screw-nailInfo
- 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
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.
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)
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 |
-
1907
- 1907-02-19 GB GB190704149D patent/GB190704149A/en not_active Expired
Cited By (2)
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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