CA2574526A1 - Electrical metallic tube, coupling, and connector apparatus and method - Google Patents

Electrical metallic tube, coupling, and connector apparatus and method Download PDF

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Publication number
CA2574526A1
CA2574526A1 CA002574526A CA2574526A CA2574526A1 CA 2574526 A1 CA2574526 A1 CA 2574526A1 CA 002574526 A CA002574526 A CA 002574526A CA 2574526 A CA2574526 A CA 2574526A CA 2574526 A1 CA2574526 A1 CA 2574526A1
Authority
CA
Canada
Prior art keywords
emt
sleeve
barb
indentation
coupling
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
CA002574526A
Other languages
French (fr)
Other versions
CA2574526C (en
Inventor
David R. Burnette
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.)
Wheatland Tube LLC
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
Application filed by Individual filed Critical Individual
Priority claimed from CA002428898A external-priority patent/CA2428898C/en
Publication of CA2574526A1 publication Critical patent/CA2574526A1/en
Application granted granted Critical
Publication of CA2574526C publication Critical patent/CA2574526C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Mutual Connection Of Rods And Tubes (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

A labor saving system, method, and apparatus for connecting or coupling lengths of electric metallic tubing ("EMT"). The invention uses couplings/connectors that have barbs that are designed to engage corresponding indentations on EMT to ensure proper installation. In one aspect, the invention is an EMT having: an EMT inner surface forming an EMT cavity; an EMT outer surface; an EMT first end; and at least one indentation in the EMT outer surface at or near the EMT first end, the indentation adapted to receive a corresponding barb from a sleeve device. In another aspect, the invention is a sleeve device comprising; a sleeve inner surface forming a sleeve cavity adapted to receive an end of an EMT; a sleeve outer surface; a first sleeve end; at least one barb on the sleeve inner surface at or near the first sleeve end, the barb adapted to engage a corresponding indentation on the EMT.
CA002574526A 2002-05-15 2003-05-14 Electrical metallic tube, coupling, and connector apparatus and method Expired - Lifetime CA2574526C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60/360,723 2002-03-01
US36072302 2002-05-15
CA002428898A CA2428898C (en) 2002-05-15 2003-05-14 Electrical metallic tube, coupling, and connector apparatus and method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002428898A Division CA2428898C (en) 2002-05-15 2003-05-14 Electrical metallic tube, coupling, and connector apparatus and method

Publications (2)

Publication Number Publication Date
CA2574526A1 true CA2574526A1 (en) 2003-11-15
CA2574526C CA2574526C (en) 2008-05-13

Family

ID=38007271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002574526A Expired - Lifetime CA2574526C (en) 2002-05-15 2003-05-14 Electrical metallic tube, coupling, and connector apparatus and method

Country Status (1)

Country Link
CA (1) CA2574526C (en)

Also Published As

Publication number Publication date
CA2574526C (en) 2008-05-13

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Effective date: 20230515