FR83086E - Improvements to shearers - Google Patents

Improvements to shearers

Info

Publication number
FR83086E
FR83086E FR925203A FR925203A FR83086E FR 83086 E FR83086 E FR 83086E FR 925203 A FR925203 A FR 925203A FR 925203 A FR925203 A FR 925203A FR 83086 E FR83086 E FR 83086E
Authority
FR
France
Prior art keywords
shearers
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
FR925203A
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
Priority to GB687362A priority Critical patent/GB954122A/en
Application filed by HEELEY MINING MACHINERY COMPAN filed Critical HEELEY MINING MACHINERY COMPAN
Priority to FR925203A priority patent/FR83086E/en
Application granted granted Critical
Publication of FR83086E publication Critical patent/FR83086E/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/10Rods; Drums
FR925203A 1962-02-22 1963-02-19 Improvements to shearers Expired FR83086E (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB687362A GB954122A (en) 1962-02-22 1962-02-22 Improvements in or relating to coal cutting machines
FR925203A FR83086E (en) 1962-02-22 1963-02-19 Improvements to shearers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925203A FR83086E (en) 1962-02-22 1963-02-19 Improvements to shearers

Publications (1)

Publication Number Publication Date
FR83086E true FR83086E (en) 1964-06-05

Family

ID=26199880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925203A Expired FR83086E (en) 1962-02-22 1963-02-19 Improvements to shearers

Country Status (1)

Country Link
FR (1) FR83086E (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2330806A1 (en) * 1975-11-06 1977-06-03 Dresser Ind ROTARY CUTTING TOOL FOR A SCRAPER
FR2538850A1 (en) * 1983-01-04 1984-07-06 Krampe & Co Rock cutting drum for coal mining machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2330806A1 (en) * 1975-11-06 1977-06-03 Dresser Ind ROTARY CUTTING TOOL FOR A SCRAPER
FR2538850A1 (en) * 1983-01-04 1984-07-06 Krampe & Co Rock cutting drum for coal mining machine

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