FR1371312A - Nouvelle tarière d'abattage - Google Patents

Nouvelle tarière d'abattage

Info

Publication number
FR1371312A
FR1371312A FR942414A FR942414A FR1371312A FR 1371312 A FR1371312 A FR 1371312A FR 942414 A FR942414 A FR 942414A FR 942414 A FR942414 A FR 942414A FR 1371312 A FR1371312 A FR 1371312A
Authority
FR
France
Prior art keywords
auger
felling
new
new felling
felling auger
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
FR942414A
Other languages
English (en)
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 Charbonnages de France CDF filed Critical Charbonnages de France CDF
Priority to FR942414A priority Critical patent/FR1371312A/fr
Priority to BE650852D priority patent/BE650852A/xx
Priority to GB30691/64A priority patent/GB1058815A/en
Application granted granted Critical
Publication of FR1371312A publication Critical patent/FR1371312A/fr
Priority to US604519A priority patent/US3325220A/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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/20—Mineral freed by means not involving slitting
    • E21C27/22—Mineral freed by means not involving slitting by rotary drills with breaking-down means, e.g. wedge-shaped drills, i.e. the rotary axis of the tool carrier being substantially perpendicular to the working face, e.g. MARIETTA-type

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)
  • Earth Drilling (AREA)
FR942414A 1963-07-23 1963-07-23 Nouvelle tarière d'abattage Expired FR1371312A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR942414A FR1371312A (fr) 1963-07-23 1963-07-23 Nouvelle tarière d'abattage
BE650852D BE650852A (fr) 1963-07-23 1964-07-22
GB30691/64A GB1058815A (en) 1963-07-23 1964-08-04 Improvements in or relating to cutting augers
US604519A US3325220A (en) 1963-07-23 1966-11-29 Cutting auger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR942414A FR1371312A (fr) 1963-07-23 1963-07-23 Nouvelle tarière d'abattage

Publications (1)

Publication Number Publication Date
FR1371312A true FR1371312A (fr) 1964-09-04

Family

ID=8808994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR942414A Expired FR1371312A (fr) 1963-07-23 1963-07-23 Nouvelle tarière d'abattage

Country Status (4)

Country Link
US (1) US3325220A (fr)
BE (1) BE650852A (fr)
FR (1) FR1371312A (fr)
GB (1) GB1058815A (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1854911A (en) * 1929-03-12 1932-04-19 Hughes Tool Co Earth boring drill
US2587065A (en) * 1950-03-25 1952-02-26 James S Robbins Cutting tool mounting
US2711888A (en) * 1954-05-24 1955-06-28 Goodman Mfg Co Mining machines with radially adjustable boring head
US2955810A (en) * 1959-05-11 1960-10-11 Goodman Mfg Co Cutting device for the continuous cutting of coal and the like

Also Published As

Publication number Publication date
BE650852A (fr) 1965-01-22
US3325220A (en) 1967-06-13
GB1058815A (en) 1967-02-15

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