TW200512389A - Screw - Google Patents

Screw

Info

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
Application number
TW092127217A
Other languages
Chinese (zh)
Other versions
TWI223689B (en
Inventor
Keng-Shui Wu
Original Assignee
Keng-Shui Wu
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 Keng-Shui Wu filed Critical Keng-Shui Wu
Priority to TW92127217A priority Critical patent/TWI223689B/en
Application granted granted Critical
Publication of TWI223689B publication Critical patent/TWI223689B/en
Publication of TW200512389A publication Critical patent/TW200512389A/en

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.
TW92127217A 2003-09-30 2003-09-30 Screw TWI223689B (en)

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)

Also Published As

Publication number Publication date
TWI223689B (en) 2004-11-11

Similar Documents

Publication Publication Date Title
NZ705037A (en) Fastener with drill pilot and reversed threaded regions
PT1766248E (en) Screw
IL150013A0 (en) Rotary cutting tool
WO2008130855A3 (en) Threaded screw fastener with multiple characteristic threads
TW200740565A (en) Screw head and tool for use therewith
TW200724269A (en) Rotary cutting tool
MY160088A (en) Self-tapping screw
NZ586230A (en) Threaded screw fastener with an unthreaded linear travel region on shank
TW200718873A (en) Ribbed fastener
AU2009230753C1 (en) Self-countersinking fastener
PL1899613T3 (en) Screw anchor
TW200512389A (en) Screw
ATE557189T1 (en) SCREW WITH LOW DRILLING RESISTANCE
TW200700648A (en) Screw for use in environment-conservation recycled composite material
AU2012101055A4 (en) Fastening Structure Capable of Being Operated without an External Tool
CN202108837U (en) Wood screw
CN210660953U (en) Straight countersunk cement screw
CN202895166U (en) Multifunctional wrench
CN202895081U (en) Monkey wrench
RU146678U1 (en) THREADED FIXING DEVICE WITH HIDDEN HEXAGON HEAD AND WITH INNER SPLINE
KR20160075275A (en) awl with driver
CN104260038A (en) Box spanner
AU2009100604A4 (en) Security Screw
DE602008001630D1 (en) Fastener with removable part
KR20110007643U (en) screw for fixing a lumber

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees