DE393474C - Schraem rod - Google Patents

Schraem rod

Info

Publication number
DE393474C
DE393474C DEM80916D DEM0080916D DE393474C DE 393474 C DE393474 C DE 393474C DE M80916 D DEM80916 D DE M80916D DE M0080916 D DEM0080916 D DE M0080916D DE 393474 C DE393474 C DE 393474C
Authority
DE
Germany
Prior art keywords
schraem
rod
schrämstiften
schrämstange
schräm
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
DEM80916D
Other languages
German (de)
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.)
WESTFALIA AG MASCHF
Original Assignee
WESTFALIA AG MASCHF
Publication date
Priority to DEM80916D priority Critical patent/DE393474C/en
Application granted granted Critical
Publication of DE393474C publication Critical patent/DE393474C/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/10—Rods; Drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)

Description

Abb.Fig.

Claims (1)

Patent-Anspruch :Patent claim: Schrämstange mit vorstehender, ununterbrochen durchlaufender Schrauben- : windung und in deren zylindrische Umfläche eingesetzten Schrämstiften, dadurch gekennzeichnet, daß konische Schräm- · stifte, die am Ende dachartig zu einer Querschneide abgeflacht sind und außerdem eine seitliche, in der Bewegungsrichtung nach vorn gerichtete Schneide haben, exzentrisch in der Drehrichtung geneigt ' eingesetzt sind.Schrämstange with protruding, uninterrupted by operating screw: convolution and Schrämstiften used in their cylindrical circumferential surface, characterized in that conical Schräm- · pins which are flattened like a roof to a chisel edge at the end and also a have side in the moving direction forwardly directed cutting 'Inclined eccentrically in the direction of rotation' are used.
DEM80916D Schraem rod Expired DE393474C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM80916D DE393474C (en) Schraem rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM80916D DE393474C (en) Schraem rod

Publications (1)

Publication Number Publication Date
DE393474C true DE393474C (en) 1924-04-09

Family

ID=7318872

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM80916D Expired DE393474C (en) Schraem rod

Country Status (1)

Country Link
DE (1) DE393474C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927024C (en) * 1953-01-31 1955-04-28 Eickhoff Maschinenfabrik Geb Schraemwalze

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927024C (en) * 1953-01-31 1955-04-28 Eickhoff Maschinenfabrik Geb Schraemwalze

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