FR20701E - Ball joint flap and orifice guard for inspection window - Google Patents

Ball joint flap and orifice guard for inspection window

Info

Publication number
FR20701E
FR20701E FR20701DA FR20701E FR 20701 E FR20701 E FR 20701E FR 20701D A FR20701D A FR 20701DA FR 20701 E FR20701 E FR 20701E
Authority
FR
France
Prior art keywords
ball joint
inspection window
joint flap
orifice guard
guard
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
Louis-Nestor Bourdoncle
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR20701E publication Critical patent/FR20701E/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)
FR20701D 1917-03-09 1918-01-10 Ball joint flap and orifice guard for inspection window Expired FR20701E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR484807T 1917-03-09
FR20701T 1918-01-10

Publications (1)

Publication Number Publication Date
FR20701E true FR20701E (en) 1919-04-12

Family

ID=1361718

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20701D Expired FR20701E (en) 1917-03-09 1918-01-10 Ball joint flap and orifice guard for inspection window

Country Status (1)

Country Link
FR (1) FR20701E (en)

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