DE306178C - - Google Patents

Info

Publication number
DE306178C
DE306178C DENDAT306178D DE306178DA DE306178C DE 306178 C DE306178 C DE 306178C DE NDAT306178 D DENDAT306178 D DE NDAT306178D DE 306178D A DE306178D A DE 306178DA DE 306178 C DE306178 C DE 306178C
Authority
DE
Germany
Prior art keywords
flexible
parts
wedge piece
punch
flexible 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.)
Active
Application number
DENDAT306178D
Other languages
German (de)
Publication of DE306178C publication Critical patent/DE306178C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/285—Telescopic props with parts held relatively to each other by friction or gripping by means of wedges or wedge combinations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Nachgiebiger, aus zwei Teilen bestehender Grubenstempel, bei welchem zwischen dem verjüngten Oberteil und dem Unterteil ein nachgiebiges Keilstück liegt, dadurch gekennzeichnet, daß das nachgiebige Keilstück (c) von einem die beiden Stempelteile (a und b) sowie das Schellenband (d) verbindenden, in einem Schlitz (f) des Oberteils (δ) geführten Schraubenbolzen (β) durchdrungen und gespannt wird.Flexible pit punch consisting of two parts, in which a flexible wedge piece lies between the tapered upper part and the lower part, characterized in that the flexible wedge piece (c) is connected by one of the two punch parts (a and b) and the clamp band (d) , in a slot (f) of the upper part (δ) guided screw bolt (β) is penetrated and tensioned.
DENDAT306178D Active DE306178C (en)

Publications (1)

Publication Number Publication Date
DE306178C true DE306178C (en)

Family

ID=559629

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT306178D Active DE306178C (en)

Country Status (1)

Country Link
DE (1) DE306178C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11202711B2 (en) 2009-12-16 2021-12-21 Scyon Orthopaedics Ag Partial hip prosthesis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11202711B2 (en) 2009-12-16 2021-12-21 Scyon Orthopaedics Ag Partial hip prosthesis

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