GB2152980B - Rotary cutting head - Google Patents

Rotary cutting head

Info

Publication number
GB2152980B
GB2152980B GB08500826A GB8500826A GB2152980B GB 2152980 B GB2152980 B GB 2152980B GB 08500826 A GB08500826 A GB 08500826A GB 8500826 A GB8500826 A GB 8500826A GB 2152980 B GB2152980 B GB 2152980B
Authority
GB
United Kingdom
Prior art keywords
cutting head
rotary cutting
rotary
head
cutting
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
GB08500826A
Other versions
GB2152980A (en
GB8500826D0 (en
Inventor
George Albert Parrott
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.)
Minnovation Ltd
Original Assignee
Minnovation 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
Priority claimed from GB848400972A external-priority patent/GB8400972D0/en
Application filed by Minnovation Ltd filed Critical Minnovation Ltd
Priority to GB08500826A priority Critical patent/GB2152980B/en
Publication of GB8500826D0 publication Critical patent/GB8500826D0/en
Publication of GB2152980A publication Critical patent/GB2152980A/en
Application granted granted Critical
Publication of GB2152980B publication Critical patent/GB2152980B/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
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/22—Equipment for preventing the formation of, or for removal of, dust
    • E21C35/23—Distribution of spraying-fluids in rotating cutter-heads

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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
GB08500826A 1984-01-13 1985-01-14 Rotary cutting head Expired GB2152980B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08500826A GB2152980B (en) 1984-01-13 1985-01-14 Rotary cutting head

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848400972A GB8400972D0 (en) 1984-01-13 1984-01-13 Rotary cutting head
GB08500826A GB2152980B (en) 1984-01-13 1985-01-14 Rotary cutting head

Publications (3)

Publication Number Publication Date
GB8500826D0 GB8500826D0 (en) 1985-02-20
GB2152980A GB2152980A (en) 1985-08-14
GB2152980B true GB2152980B (en) 1986-12-17

Family

ID=26287190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08500826A Expired GB2152980B (en) 1984-01-13 1985-01-14 Rotary cutting head

Country Status (1)

Country Link
GB (1) GB2152980B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8612968D0 (en) * 1986-05-28 1986-07-02 Presswell Eng Ltd Operating head
DE3633361C1 (en) * 1986-10-01 1988-02-11 Krampe & Co Shearer drum for underground mining

Also Published As

Publication number Publication date
GB2152980A (en) 1985-08-14
GB8500826D0 (en) 1985-02-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee