CH500347A - Manhole frame - Google Patents

Manhole frame

Info

Publication number
CH500347A
CH500347A CH1619169A CH1619169A CH500347A CH 500347 A CH500347 A CH 500347A CH 1619169 A CH1619169 A CH 1619169A CH 1619169 A CH1619169 A CH 1619169A CH 500347 A CH500347 A CH 500347A
Authority
CH
Switzerland
Prior art keywords
manhole frame
manhole
frame
Prior art date
Application number
CH1619169A
Other languages
French (fr)
Inventor
Haatveit Halvor
Kirkaas Knut
Myhre Olav
Nilsson Mats
Tobiassen Olav
Original Assignee
S D Cappelen Ulefos Jernvaerk
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 S D Cappelen Ulefos Jernvaerk filed Critical S D Cappelen Ulefos Jernvaerk
Publication of CH500347A publication Critical patent/CH500347A/en

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
CH1619169A 1968-10-30 1969-10-30 Manhole frame CH500347A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH500347A true CH500347A (en) 1970-12-15

Family

ID=19880191

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1619169A CH500347A (en) 1968-10-30 1969-10-30 Manhole frame

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012874A (en) * 1976-05-12 1977-03-22 H. H. Robertson Company Protective cover assembly for underfloor access housing
US4012873A (en) * 1976-05-12 1977-03-22 H. H. Robertson Company Protective cap 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
DK122828B (en) 1972-04-17
GB1283559A (en) 1972-07-26
NO117735B (en) 1969-09-15
FR2021944A1 (en) 1970-07-24
DE1954133A1 (en) 1970-07-02
SE362464B (en) 1973-12-10

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Legal Events

Date Code Title Description
PL Patent ceased