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AU471198B2 - Improvements in or relating to removable covers and frames therefor - Google Patents

Improvements in or relating to removable covers and frames therefor

Info

Publication number
AU471198B2
AU471198B2 AU55066/73A AU5506673A AU471198B2 AU 471198 B2 AU471198 B2 AU 471198B2 AU 55066/73 A AU55066/73 A AU 55066/73A AU 5506673 A AU5506673 A AU 5506673A AU 471198 B2 AU471198 B2 AU 471198B2
Authority
AU
Australia
Prior art keywords
relating
removable covers
frames therefor
therefor
frames
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
AU55066/73A
Other languages
English (en)
Other versions
AU5506673A (en
Inventor
Jack Holdstock Allan George Swaner Herbert
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.)
Dover Engineering Group Ltd
Original Assignee
Dover Engineering Group 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 Dover Engineering Group Ltd filed Critical Dover Engineering Group Ltd
Publication of AU5506673A publication Critical patent/AU5506673A/en
Application granted granted Critical
Publication of AU471198B2 publication Critical patent/AU471198B2/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)
  • Binders And Loading Units For Sheaves (AREA)
AU55066/73A 1972-05-04 1973-05-01 Improvements in or relating to removable covers and frames therefor Expired AU471198B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2075872A GB1418485A (en) 1972-05-04 1972-05-04 Removable covers and frames therefor
GBGB20758/72 1972-05-04

Publications (2)

Publication Number Publication Date
AU5506673A AU5506673A (en) 1974-11-07
AU471198B2 true AU471198B2 (en) 1976-04-15

Family

ID=10151167

Family Applications (1)

Application Number Title Priority Date Filing Date
AU55066/73A Expired AU471198B2 (en) 1972-05-04 1973-05-01 Improvements in or relating to removable covers and frames therefor

Country Status (9)

Country Link
AU (1) AU471198B2 (it)
BE (1) BE799017A (it)
CH (1) CH565906A5 (it)
DE (1) DE2322060A1 (it)
ES (1) ES217363Y (it)
FR (1) FR2183270B1 (it)
GB (1) GB1418485A (it)
IT (1) IT994446B (it)
NL (1) NL7306184A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188663A (en) * 1986-04-02 1987-10-07 Selflevel Covers Ag Cover and frame assemblies for manholes or access holes
GB8708751D0 (en) * 1987-04-11 1987-05-20 Mcburney W C Floor unit for animal house

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1290583A (fr) * 1961-05-19 1962-04-13 Broads Mfg Company Ltd Couvercle de trou d'homme avec cadre de support

Also Published As

Publication number Publication date
BE799017A (fr) 1973-08-31
FR2183270A1 (it) 1973-12-14
ES217363Y (es) 1977-01-01
GB1418485A (en) 1975-12-24
CH565906A5 (it) 1975-08-29
ES217363U (es) 1976-08-16
DE2322060A1 (de) 1973-11-15
NL7306184A (it) 1973-11-06
IT994446B (it) 1975-10-20
AU5506673A (en) 1974-11-07
FR2183270B1 (it) 1974-05-17

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