CA959773A - Trench duct end closure - Google Patents

Trench duct end closure

Info

Publication number
CA959773A
CA959773A CA155,540A CA155540A CA959773A CA 959773 A CA959773 A CA 959773A CA 155540 A CA155540 A CA 155540A CA 959773 A CA959773 A CA 959773A
Authority
CA
Canada
Prior art keywords
end closure
duct end
trench duct
trench
closure
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.)
Expired
Application number
CA155,540A
Other versions
CA155540S (en
Inventor
John P. Casto
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.)
Textron Inc
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of CA959773A publication Critical patent/CA959773A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/28—Installations of cables, lines, or separate protective tubing therefor in conduits or ducts pre-established in walls, ceilings or floors
    • H02G3/283—Installations of cables, lines, or separate protective tubing therefor in conduits or ducts pre-established in walls, ceilings or floors in floors
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
CA155,540A 1972-01-14 1972-11-03 Trench duct end closure Expired CA959773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21789872A 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
CA959773A true CA959773A (en) 1974-12-24

Family

ID=22812934

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,540A Expired CA959773A (en) 1972-01-14 1972-11-03 Trench duct end closure

Country Status (2)

Country Link
US (1) US3733761A (en)
CA (1) CA959773A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1144632A (en) * 1980-05-16 1983-04-12 Frank P. Thorpe Junction box
US4420091A (en) * 1980-05-22 1983-12-13 Cts Corporation Junction box
US8826613B1 (en) 2012-02-29 2014-09-09 David J Chrien Utility trench system components

Also Published As

Publication number Publication date
US3733761A (en) 1973-05-22

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