GB742204A - An improved cutter head for a mineral-mining or earth-boring machine - Google Patents

An improved cutter head for a mineral-mining or earth-boring machine

Info

Publication number
GB742204A
GB742204A GB2326453A GB2326453A GB742204A GB 742204 A GB742204 A GB 742204A GB 2326453 A GB2326453 A GB 2326453A GB 2326453 A GB2326453 A GB 2326453A GB 742204 A GB742204 A GB 742204A
Authority
GB
United Kingdom
Prior art keywords
mineral
cutter head
mining
earth
boring machine
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
GB2326453A
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 SULLIVAN Ltd
WALTER MORRIS SMITH
Original Assignee
JOY SULLIVAN Ltd
WALTER MORRIS SMITH
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 to BE531327D priority Critical patent/BE531327A/xx
Application filed by JOY SULLIVAN Ltd, WALTER MORRIS SMITH filed Critical JOY SULLIVAN Ltd
Priority to GB2326453A priority patent/GB742204A/en
Priority to FR1114348D priority patent/FR1114348A/en
Publication of GB742204A publication Critical patent/GB742204A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/58—Machines slitting by drilling hole on hole

Abstract

742,204. Mineral-mining apparatus. JOYSULLIVAN, Ltd., and SMITH, W. M. July 7, 1954 [Aug. 24, 1953], No. 23264/53. Class 68(1) In a mineral-boring cutter head of the type having a cutter-armed, open-ended cylinder a, a burster c, and a scroll conveyer d mounted on a rotatable and advanceable shaft e, the leading end d<SP>1</SP> of the conveyer d is positioned to the rear of the rear end of the cylinder a. The scroll conveyer is of substantially the same diameter as the cylinder, which has a length of between 40 and 50 per cent of its diameter. The burster may be of the forms disclosed in Specifications 741,903 and 701,904, which are referred to.
GB2326453A 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine Expired GB742204A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE531327D BE531327A (en) 1953-08-24
GB2326453A GB742204A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine
FR1114348D FR1114348A (en) 1953-08-24 1954-08-17 Improvement in shear or auger heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2326453A GB742204A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine

Publications (1)

Publication Number Publication Date
GB742204A true GB742204A (en) 1955-12-21

Family

ID=10192838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2326453A Expired GB742204A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine

Country Status (3)

Country Link
BE (1) BE531327A (en)
FR (1) FR1114348A (en)
GB (1) GB742204A (en)

Also Published As

Publication number Publication date
BE531327A (en)
FR1114348A (en) 1956-04-11

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