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FR1009440A - Perfectionnements aux chaînes porte-outils pour haveuses et appareils analogues - Google Patents

Perfectionnements aux chaînes porte-outils pour haveuses et appareils analogues

Info

Publication number
FR1009440A
FR1009440A FR1009440DA FR1009440A FR 1009440 A FR1009440 A FR 1009440A FR 1009440D A FR1009440D A FR 1009440DA FR 1009440 A FR1009440 A FR 1009440A
Authority
FR
France
Prior art keywords
cutters
similar devices
tool chains
chains
tool
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
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.)
Austin Hoy and Co Ltd
Original Assignee
Austin Hoy and Co Ltd
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 Austin Hoy and Co Ltd filed Critical Austin Hoy and Co Ltd
Application granted granted Critical
Publication of FR1009440A publication Critical patent/FR1009440A/fr
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
    • E21C25/34—Chains
    • E21C25/36—Couplings for links
    • E21C25/365—Couplings for links allowing the bending into at least two planes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/06—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms

Landscapes

  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Scissors And Nippers (AREA)
  • Chain Conveyers (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
FR1009440D 1949-01-17 1950-01-17 Perfectionnements aux chaînes porte-outils pour haveuses et appareils analogues Expired FR1009440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB129849A GB665900A (en) 1949-01-17 1949-01-17 Improvements in or relating to coal cutter chains and the like

Publications (1)

Publication Number Publication Date
FR1009440A true FR1009440A (fr) 1952-05-29

Family

ID=38683460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1009440D Expired FR1009440A (fr) 1949-01-17 1950-01-17 Perfectionnements aux chaînes porte-outils pour haveuses et appareils analogues

Country Status (3)

Country Link
DE (1) DE810150C (fr)
FR (1) FR1009440A (fr)
GB (1) GB665900A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089561A (en) * 1976-10-05 1978-05-16 Gimda, Inc. Cutter chains having picks and to picks therefor

Also Published As

Publication number Publication date
GB665900A (en) 1952-01-30
DE810150C (de) 1951-08-06

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