CA2466700A1 - Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments - Google Patents

Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments Download PDF

Info

Publication number
CA2466700A1
CA2466700A1 CA 2466700 CA2466700A CA2466700A1 CA 2466700 A1 CA2466700 A1 CA 2466700A1 CA 2466700 CA2466700 CA 2466700 CA 2466700 A CA2466700 A CA 2466700A CA 2466700 A1 CA2466700 A1 CA 2466700A1
Authority
CA
Canada
Prior art keywords
away
bits
workpiece
cutting
screw capable
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.)
Granted
Application number
CA 2466700
Other languages
English (en)
Other versions
CA2466700C (fr
Inventor
Kuo-Tai Hsu
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.)
HUNAG MEI-HUA
Original Assignee
HUNAG MEI-HUA
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 HUNAG MEI-HUA filed Critical HUNAG MEI-HUA
Priority to CA 2466700 priority Critical patent/CA2466700C/fr
Publication of CA2466700A1 publication Critical patent/CA2466700A1/fr
Application granted granted Critical
Publication of CA2466700C publication Critical patent/CA2466700C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0068—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw with multiple-threads, e.g. a double thread 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0042—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw
    • F16B25/0073—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw characterised by its pitch, e.g. a varying pitch
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
CA 2466700 2004-05-07 2004-05-07 Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments Expired - Fee Related CA2466700C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2466700 CA2466700C (fr) 2004-05-07 2004-05-07 Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2466700 CA2466700C (fr) 2004-05-07 2004-05-07 Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments

Publications (2)

Publication Number Publication Date
CA2466700A1 true CA2466700A1 (fr) 2005-11-07
CA2466700C CA2466700C (fr) 2006-12-12

Family

ID=35452046

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2466700 Expired - Fee Related CA2466700C (fr) 2004-05-07 2004-05-07 Structure d'une vis pouvant couper des fragments d'une piece a travailler et retenir ces fragments

Country Status (1)

Country Link
CA (1) CA2466700C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3030388A1 (fr) 2016-07-11 2018-01-18 Phillips Screw Company Systeme a elements de fixation avec nervure de stabilisation
US12551992B2 (en) 2016-07-11 2026-02-17 Phillips Screw Company Fastener system with stabilizer ribs and square drive
US11466720B2 (en) 2017-12-15 2022-10-11 Phillips Screw Company Stick fit fastener recess system
US10995788B2 (en) 2017-12-15 2021-05-04 Phillips Screw Company Stick fit fastener recess system

Also Published As

Publication number Publication date
CA2466700C (fr) 2006-12-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170510