FR1279953A - Chain type hacker - Google Patents

Chain type hacker

Info

Publication number
FR1279953A
FR1279953A FR841038A FR841038A FR1279953A FR 1279953 A FR1279953 A FR 1279953A FR 841038 A FR841038 A FR 841038A FR 841038 A FR841038 A FR 841038A FR 1279953 A FR1279953 A FR 1279953A
Authority
FR
France
Prior art keywords
hacker
chain type
chain
type
type hacker
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
FR841038A
Other languages
French (fr)
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.)
HEELEY MINING MACHINERY COMPAN
Original Assignee
HEELEY MINING MACHINERY COMPAN
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 HEELEY MINING MACHINERY COMPAN filed Critical HEELEY MINING MACHINERY COMPAN
Priority to FR841038A priority Critical patent/FR1279953A/en
Application granted granted Critical
Publication of FR1279953A publication Critical patent/FR1279953A/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
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides

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)
FR841038A 1960-10-13 1960-10-13 Chain type hacker Expired FR1279953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841038A FR1279953A (en) 1960-10-13 1960-10-13 Chain type hacker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841038A FR1279953A (en) 1960-10-13 1960-10-13 Chain type hacker

Publications (1)

Publication Number Publication Date
FR1279953A true FR1279953A (en) 1961-12-29

Family

ID=8740675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841038A Expired FR1279953A (en) 1960-10-13 1960-10-13 Chain type hacker

Country Status (1)

Country Link
FR (1) FR1279953A (en)

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