TW200512389A - Screw - Google Patents
ScrewInfo
- Publication number
- TW200512389A TW200512389A TW092127217A TW92127217A TW200512389A TW 200512389 A TW200512389 A TW 200512389A TW 092127217 A TW092127217 A TW 092127217A TW 92127217 A TW92127217 A TW 92127217A TW 200512389 A TW200512389 A TW 200512389A
- Authority
- TW
- Taiwan
- Prior art keywords
- screwing
- threads
- screw
- wooden object
- thread
- Prior art date
Links
Landscapes
- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A screw includes a head and a shank provided with screwing threads and cutting threads. Each thread of the screwing threads and each thread of the cutting threads are positioned to form an angle φ so that the screw can smoothly move in a wooden object by means of the screwing threads in screwing in the wooden object, lowering screwing toque by means of the cutting threads, and thus enhancing locking force of the screw against the wooden object.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW92127217A TWI223689B (en) | 2003-09-30 | 2003-09-30 | Screw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW92127217A TWI223689B (en) | 2003-09-30 | 2003-09-30 | Screw |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI223689B TWI223689B (en) | 2004-11-11 |
TW200512389A true TW200512389A (en) | 2005-04-01 |
Family
ID=34568535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW92127217A TWI223689B (en) | 2003-09-30 | 2003-09-30 | Screw |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI223689B (en) |
-
2003
- 2003-09-30 TW TW92127217A patent/TWI223689B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI223689B (en) | 2004-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |