FR597358A - Improvements to haveuses - Google Patents

Improvements to haveuses

Info

Publication number: FR597358A
Authority: FR; France
Prior art keywords: haveuses
Prior art date: 1924-12-19
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

Other languages

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.)

Sullivan Machinery Co

Original Assignee

Sullivan Machinery 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.)

1924-12-19

Filing date

1925-04-10

Publication date

1925-11-19

1925-04-10 Application filed by Sullivan Machinery Co filed Critical Sullivan Machinery Co

1925-11-19 Application granted granted Critical

1925-11-19 Publication of FR597358A publication Critical patent/FR597358A/en

Status Expired legal-status Critical Current

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
- E21C29/10—Cable or chain co-operating with a winch or the like on the machine

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)

FR597358D 1924-12-19 1925-04-10 Improvements to haveuses Expired FR597358A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US597358XA	1924-12-19	1924-12-19

Publications (1)

Publication Number	Publication Date
FR597358A true FR597358A (en)	1925-11-19

Family

ID=22024894

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR597358D Expired FR597358A (en)	1924-12-19	1925-04-10	Improvements to haveuses

Country Status (1)

Country	Link
FR (1)	FR597358A (en)

1925
- 1925-04-10 FR FR597358D patent/FR597358A/en not_active Expired

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