DE109341C - - Google Patents

Info

Publication number
DE109341C
DE109341C DENDAT109341D DE109341DA DE109341C DE 109341 C DE109341 C DE 109341C DE NDAT109341 D DENDAT109341 D DE NDAT109341D DE 109341D A DE109341D A DE 109341DA DE 109341 C DE109341 C DE 109341C
Authority
DE
Germany
Prior art keywords
saw
schrämklein
schräm
occupied
teeth
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
DENDAT109341D
Other languages
German (de)
Publication of DE109341C publication Critical patent/DE109341C/de
Active 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
    • E21C25/20—Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyors with cutting means

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)
  • Stringed Musical Instruments (AREA)
  • Sawing (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Kohlensäge, dadurch gekennzeichnet, dafs der Rücken des vorderen Sägetheiles mit rückwärts gerichteten stufenartigen Zähnen besetzt ist, um das Schrämklein aus dem Schräm zu entfernen.Coal saw, characterized in that the back of the front part of the saw goes backwards directed step-like teeth is occupied to the Schrämklein from the Schräm remove.
DENDAT109341D Active DE109341C (en)

Publications (1)

Publication Number Publication Date
DE109341C true DE109341C (en)

Family

ID=379248

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT109341D Active DE109341C (en)

Country Status (1)

Country Link
DE (1) DE109341C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038763A (en) * 1975-10-10 1977-08-02 Marion Edward Hutchison Orbital trench forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038763A (en) * 1975-10-10 1977-08-02 Marion Edward Hutchison Orbital trench forming apparatus

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