FR661910A - Removable shutter for manhole covers and similar devices - Google Patents

Removable shutter for manhole covers and similar devices

Info

Publication number
FR661910A
FR661910A FR661910DA FR661910A FR 661910 A FR661910 A FR 661910A FR 661910D A FR661910D A FR 661910DA FR 661910 A FR661910 A FR 661910A
Authority
FR
France
Prior art keywords
similar devices
manhole covers
removable shutter
shutter
removable
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
Other languages
French (fr)
Inventor
Joseph-Gabriel Maloisel
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 filed Critical
Application granted granted Critical
Publication of FR661910A publication Critical patent/FR661910A/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
    • E02D29/14—Covers for manholes or the like; Frames for covers

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)
FR661910D 1928-10-09 1928-10-09 Removable shutter for manhole covers and similar devices Expired FR661910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR661910T 1928-10-09

Publications (1)

Publication Number Publication Date
FR661910A true FR661910A (en) 1929-07-31

Family

ID=9011191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR661910D Expired FR661910A (en) 1928-10-09 1928-10-09 Removable shutter for manhole covers and similar devices

Country Status (1)

Country Link
FR (1) FR661910A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952609C (en) * 1952-01-27 1956-11-15 Johanna Loeffler Geb Kluge Gully with cleaning opening
US4454039A (en) * 1982-07-19 1984-06-12 Mccoy Archibald H R Frame and cover members for constructing apertures in road surfaces
US4528097A (en) * 1982-09-30 1985-07-09 Ward Raymond E Symmetrical fluid filter apparatus with multifaceted beads

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE952609C (en) * 1952-01-27 1956-11-15 Johanna Loeffler Geb Kluge Gully with cleaning opening
US4454039A (en) * 1982-07-19 1984-06-12 Mccoy Archibald H R Frame and cover members for constructing apertures in road surfaces
US4528097A (en) * 1982-09-30 1985-07-09 Ward Raymond E Symmetrical fluid filter apparatus with multifaceted beads

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