FR2027001A1 - - Google Patents

Info

Publication number
FR2027001A1
FR2027001A1 FR6943116A FR6943116A FR2027001A1 FR 2027001 A1 FR2027001 A1 FR 2027001A1 FR 6943116 A FR6943116 A FR 6943116A FR 6943116 A FR6943116 A FR 6943116A FR 2027001 A1 FR2027001 A1 FR 2027001A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6943116A
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
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 Joy Manufacturing Co filed Critical Joy Manufacturing Co
Publication of FR2027001A1 publication Critical patent/FR2027001A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • E21C27/24—Mineral freed by means not involving slitting by milling means acting on the full working face, i.e. the rotary axis of the tool carrier being substantially parallel to the working face

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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
FR6943116A 1968-12-24 1969-12-12 Withdrawn FR2027001A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78665068A 1968-12-24 1968-12-24
US78664868A 1968-12-24 1968-12-24

Publications (1)

Publication Number Publication Date
FR2027001A1 true FR2027001A1 (enrdf_load_stackoverflow) 1970-09-25

Family

ID=27120560

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6943116A Withdrawn FR2027001A1 (enrdf_load_stackoverflow) 1968-12-24 1969-12-12

Country Status (4)

Country Link
JP (1) JPS4834962B1 (enrdf_load_stackoverflow)
DE (1) DE1962462A1 (enrdf_load_stackoverflow)
FR (1) FR2027001A1 (enrdf_load_stackoverflow)
GB (1) GB1290907A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704676C2 (de) * 1977-02-04 1986-01-16 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Gewinnungsmaschine
DE4031860A1 (de) * 1990-10-08 1992-04-09 Roland Man Druckmasch Verfahren zur herstellung einer oberflaechenstruktur auf druckwerkszylindern fuer offsetdruckmaschinen
CN103883324B (zh) * 2014-04-11 2016-03-02 乐山市红川机械有限责任公司 三刀截割煤设备
JP6837126B6 (ja) 2016-07-28 2021-03-31 スリーエム イノベイティブ プロパティズ カンパニー セグメント化シリコーンポリアミドブロックコポリマー及びそれを含む物品
US20250215659A1 (en) * 2022-03-30 2025-07-03 Vermeer Manufacturing Company Systems and methods for operating excavation machines
CN114776294B (zh) * 2022-04-11 2025-02-21 天地上海采掘装备科技有限公司 滚动式辅助受力机构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650813A (en) * 1949-08-06 1953-09-01 Joy Mfg Co Disintegrating and gathering chain structure
US2650812A (en) * 1949-03-29 1953-09-01 Joy Mfg Co Disintegrating and conveying chain
US2676005A (en) * 1949-03-29 1954-04-20 Joy Mfg Co Disintegrating and gathering chain
US2862700A (en) * 1957-04-10 1958-12-02 Goodman Mfg Co Boring type miner
US3305273A (en) * 1964-04-24 1967-02-21 Galion Jeffrey Mfg Co Mining apparatus supporting and driving construction
US3318638A (en) * 1964-08-17 1967-05-09 Galion Jeffrey Mfg Co Mining machine having auxiliary cutters driven from rear of drum support

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650812A (en) * 1949-03-29 1953-09-01 Joy Mfg Co Disintegrating and conveying chain
US2676005A (en) * 1949-03-29 1954-04-20 Joy Mfg Co Disintegrating and gathering chain
US2650813A (en) * 1949-08-06 1953-09-01 Joy Mfg Co Disintegrating and gathering chain structure
US2862700A (en) * 1957-04-10 1958-12-02 Goodman Mfg Co Boring type miner
US3305273A (en) * 1964-04-24 1967-02-21 Galion Jeffrey Mfg Co Mining apparatus supporting and driving construction
US3318638A (en) * 1964-08-17 1967-05-09 Galion Jeffrey Mfg Co Mining machine having auxiliary cutters driven from rear of drum support

Also Published As

Publication number Publication date
DE1962462A1 (enrdf_load_stackoverflow) 1970-07-02
JPS4834962B1 (enrdf_load_stackoverflow) 1973-10-25
GB1290907A (enrdf_load_stackoverflow) 1972-09-27

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