FR2021944A1 - - Google Patents

Info

Publication number
FR2021944A1
FR2021944A1 FR6937306A FR6937306A FR2021944A1 FR 2021944 A1 FR2021944 A1 FR 2021944A1 FR 6937306 A FR6937306 A FR 6937306A FR 6937306 A FR6937306 A FR 6937306A FR 2021944 A1 FR2021944 A1 FR 2021944A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6937306A
Other languages
French (fr)
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.)
SD CAPPELEN ULEFOS JERN
Original Assignee
SD CAPPELEN ULEFOS JERN
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 SD CAPPELEN ULEFOS JERN filed Critical SD CAPPELEN ULEFOS JERN
Publication of FR2021944A1 publication Critical patent/FR2021944A1/fr
Priority to BE778535A priority Critical patent/BE778535Q/xx
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)
FR6937306A 1968-10-30 1969-10-30 Withdrawn FR2021944A1 (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE778535A BE778535Q (fr) 1968-10-30 1972-01-26 Perfectionnements aux chassis de regard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO430268A NO117735B (xx) 1968-10-30 1968-10-30

Publications (1)

Publication Number Publication Date
FR2021944A1 true FR2021944A1 (xx) 1970-07-24

Family

ID=19880191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6937306A Withdrawn FR2021944A1 (xx) 1968-10-30 1969-10-30

Country Status (7)

Country Link
CH (1) CH500347A (xx)
DE (1) DE1954133A1 (xx)
DK (1) DK122828B (xx)
FR (1) FR2021944A1 (xx)
GB (1) GB1283559A (xx)
NO (1) NO117735B (xx)
SE (1) SE362464B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012873A (en) * 1976-05-12 1977-03-22 H. H. Robertson Company Protective cap for underfloor access housing
US4012874A (en) * 1976-05-12 1977-03-22 H. H. Robertson Company Protective cover assembly for underfloor access housing
GB9800693D0 (en) * 1998-01-13 1998-03-11 Air Prod & Chem Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures
GB9800692D0 (en) * 1998-01-13 1998-03-11 Air Prod & Chem Separation of carbon monoxide from nitrogen-contaminated gaseous mixtures also containing hydrogen and methane

Also Published As

Publication number Publication date
CH500347A (fr) 1970-12-15
SE362464B (xx) 1973-12-10
NO117735B (xx) 1969-09-15
GB1283559A (en) 1972-07-26
DE1954133A1 (de) 1970-07-02
DK122828B (da) 1972-04-17

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Legal Events

Date Code Title Description
ST Notification of lapse