CA2139607A1 - Self drilling fastener - Google Patents

Self drilling fastener

Info

Publication number
CA2139607A1
CA2139607A1 CA 2139607 CA2139607A CA2139607A1 CA 2139607 A1 CA2139607 A1 CA 2139607A1 CA 2139607 CA2139607 CA 2139607 CA 2139607 A CA2139607 A CA 2139607A CA 2139607 A1 CA2139607 A1 CA 2139607A1
Authority
CA
Canada
Prior art keywords
shank
fastener
flat drill
portions
drill
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 2139607
Other languages
French (fr)
Other versions
CA2139607C (en
Inventor
Louis Thomas
Daniel J. Kenny
Syed Riaz-Ul Hasan
George G. Dewey
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.)
Illinois Tool Works Inc
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
Priority claimed from US08/291,740 external-priority patent/US5413444A/en
Application filed by Individual filed Critical Individual
Publication of CA2139607A1 publication Critical patent/CA2139607A1/en
Application granted granted Critical
Publication of CA2139607C publication Critical patent/CA2139607C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Abstract

A self-drilling fastener for use with medium density wood panels, such as oriented strand board (OSB), having a head and first and second shank portions where the first shank portion includes threads for mating engagement with an OSB panel and the second shank portion substantially is formed as a taper shank flat drill which forms the drilling end of the fastener, the taper shank flat drill having conical shaped tapered portions, a triangular drill tip and a pair of wing portions formed on opposite sides of the flat drill forming helical cutting edges.
CA 2139607 1994-01-06 1995-01-05 Self drilling fastener Expired - Fee Related CA2139607C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US17809694A 1994-01-06 1994-01-06
US08/178,096 1994-01-06
US08/291,740 US5413444A (en) 1994-01-06 1994-08-17 Self-drilling fastener
US08/291,740 1994-08-17

Publications (2)

Publication Number Publication Date
CA2139607A1 true CA2139607A1 (en) 1995-07-07
CA2139607C CA2139607C (en) 1998-12-08

Family

ID=26873964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2139607 Expired - Fee Related CA2139607C (en) 1994-01-06 1995-01-05 Self drilling fastener

Country Status (1)

Country Link
CA (1) CA2139607C (en)

Also Published As

Publication number Publication date
CA2139607C (en) 1998-12-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed