GB190417891A - - Google Patents

Info

Publication number
GB190417891A
GB190417891A GB190417891DA GB190417891A GB 190417891 A GB190417891 A GB 190417891A GB 190417891D A GB190417891D A GB 190417891DA GB 190417891 A GB190417891 A GB 190417891A
Authority
GB
United Kingdom
Prior art keywords
tubbing
hoffmann
wells
aug
wedge
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
Inventor
Rudolf Hoffmann
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 GB190417891A publication Critical patent/GB190417891A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/124Shaft entirely made of synthetic material

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)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Abstract

17,891. Hoffmann, R. Aug. 17. Wells and shafts.-The adjacent bearing-flanges of the segments a, forming the tubbing-rings, are provided with grooves b and projections c, preferably of wedge-shaped cross-section, which engage with one another.
GB190417891D 1904-08-17 1904-08-17 Expired GB190417891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190417891T 1904-08-17

Publications (1)

Publication Number Publication Date
GB190417891A true GB190417891A (en) 1904-10-13

Family

ID=32626854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190417891D Expired GB190417891A (en) 1904-08-17 1904-08-17

Country Status (1)

Country Link
GB (1) GB190417891A (en)

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