GB8428592D0 - Rotary cutter heads - Google Patents

Rotary cutter heads

Info

Publication number
GB8428592D0
GB8428592D0 GB848428592A GB8428592A GB8428592D0 GB 8428592 D0 GB8428592 D0 GB 8428592D0 GB 848428592 A GB848428592 A GB 848428592A GB 8428592 A GB8428592 A GB 8428592A GB 8428592 D0 GB8428592 D0 GB 8428592D0
Authority
GB
United Kingdom
Prior art keywords
rotary cutter
cutter heads
heads
rotary
cutter
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.)
Granted
Application number
GB848428592A
Other versions
GB2166779A (en
GB2166779B (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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB08428592A priority Critical patent/GB2166779B/en
Publication of GB8428592D0 publication Critical patent/GB8428592D0/en
Publication of GB2166779A publication Critical patent/GB2166779A/en
Application granted granted Critical
Publication of GB2166779B publication Critical patent/GB2166779B/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
    • 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
    • E21C25/14—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate with equipment for cleaning the slit

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)
  • Excavating Of Shafts Or Tunnels (AREA)
GB08428592A 1984-11-13 1984-11-13 Rotary cutter heads for mine winning machines Expired GB2166779B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08428592A GB2166779B (en) 1984-11-13 1984-11-13 Rotary cutter heads for mine winning machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08428592A GB2166779B (en) 1984-11-13 1984-11-13 Rotary cutter heads for mine winning machines

Publications (3)

Publication Number Publication Date
GB8428592D0 true GB8428592D0 (en) 1984-12-19
GB2166779A GB2166779A (en) 1986-05-14
GB2166779B GB2166779B (en) 1987-10-21

Family

ID=10569628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08428592A Expired GB2166779B (en) 1984-11-13 1984-11-13 Rotary cutter heads for mine winning machines

Country Status (1)

Country Link
GB (1) GB2166779B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB950635A (en) * 1960-04-23 1964-02-26 Eickhoff Geb Improvements in or relating to mining machines having drum-type cutters

Also Published As

Publication number Publication date
GB2166779A (en) 1986-05-14
GB2166779B (en) 1987-10-21

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee