CA939280A - Bottomless sub-assembly for producing an underfloor electrical cable trench - Google Patents

Bottomless sub-assembly for producing an underfloor electrical cable trench

Info

Publication number
CA939280A
CA939280A CA120,677A CA120677A CA939280A CA 939280 A CA939280 A CA 939280A CA 120677 A CA120677 A CA 120677A CA 939280 A CA939280 A CA 939280A
Authority
CA
Canada
Prior art keywords
bottomless
sub
producing
assembly
electrical cable
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
CA120,677A
Other versions
CA120677S (en
Inventor
Frank W. Fork
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.)
HH Robertson Co
Original Assignee
HH Robertson Co
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 HH Robertson Co filed Critical HH Robertson Co
Priority to CA174,173A priority Critical patent/CA939281A/en
Application granted granted Critical
Publication of CA939280A publication Critical patent/CA939280A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
CA120,677A 1970-09-11 1971-08-16 Bottomless sub-assembly for producing an underfloor electrical cable trench Expired CA939280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA174,173A CA939281A (en) 1970-09-11 1973-06-15 Bottomless sub-assembly for producing an underfloor electrical cable trench

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7149470A 1970-09-11 1970-09-11
US15876971A 1971-07-01 1971-07-01

Publications (1)

Publication Number Publication Date
CA939280A true CA939280A (en) 1974-01-01

Family

ID=26752291

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,677A Expired CA939280A (en) 1970-09-11 1971-08-16 Bottomless sub-assembly for producing an underfloor electrical cable trench

Country Status (3)

Country Link
CA (1) CA939280A (en)
DE (1) DE2139810A1 (en)
FR (1) FR2106440B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517777A (en) * 1983-03-07 1985-05-21 W. C. Pursley Limited Trenchduct side member extrusion adapted for multiple positioning of cover plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517777A (en) * 1983-03-07 1985-05-21 W. C. Pursley Limited Trenchduct side member extrusion adapted for multiple positioning of cover plate

Also Published As

Publication number Publication date
FR2106440A1 (en) 1972-05-05
FR2106440B1 (en) 1981-09-25
DE2139810A1 (en) 1972-03-16

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