AU459319B2 - Manhole - Google Patents

Manhole

Info

Publication number
AU459319B2
AU459319B2 AU46521/72A AU4652172A AU459319B2 AU 459319 B2 AU459319 B2 AU 459319B2 AU 46521/72 A AU46521/72 A AU 46521/72A AU 4652172 A AU4652172 A AU 4652172A AU 459319 B2 AU459319 B2 AU 459319B2
Authority
AU
Australia
Prior art keywords
manhole
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
AU46521/72A
Other versions
AU4652172A (en
Inventor
Hawdon Francis
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.)
P G H Industries Ltd
Original Assignee
P G H Industries Ltd
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 P G H Industries Ltd filed Critical P G H Industries Ltd
Priority to AU46521/72A priority Critical patent/AU459319B2/en
Publication of AU4652172A publication Critical patent/AU4652172A/en
Application granted granted Critical
Publication of AU459319B2 publication Critical patent/AU459319B2/en
Expired 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like
AU46521/72A 1971-09-16 1971-09-16 Manhole Expired AU459319B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU46521/72A AU459319B2 (en) 1971-09-16 1971-09-16 Manhole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU46521/72A AU459319B2 (en) 1971-09-16 1971-09-16 Manhole

Publications (2)

Publication Number Publication Date
AU4652172A AU4652172A (en) 1974-03-28
AU459319B2 true AU459319B2 (en) 1975-03-20

Family

ID=3733532

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46521/72A Expired AU459319B2 (en) 1971-09-16 1971-09-16 Manhole

Country Status (1)

Country Link
AU (1) AU459319B2 (en)

Also Published As

Publication number Publication date
AU4652172A (en) 1974-03-28

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