GB741903A - 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
GB741903A
GB741903A GB2326253A GB2326253A GB741903A GB 741903 A GB741903 A GB 741903A GB 2326253 A GB2326253 A GB 2326253A GB 2326253 A GB2326253 A GB 2326253A GB 741903 A GB741903 A GB 741903A
Authority
GB
United Kingdom
Prior art keywords
mineral
mining
shaft
breaker
cutter head
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
GB2326253A
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.)
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 BE531325D priority Critical patent/BE531325A/xx
Application filed by JOY SULLIVAN Ltd, WALTER MORRIS SMITH filed Critical JOY SULLIVAN Ltd
Priority to GB2326253A priority patent/GB741903A/en
Priority to FR1106828D priority patent/FR1106828A/fr
Priority to DEJ9047A priority patent/DE959273C/de
Publication of GB741903A publication Critical patent/GB741903A/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
    • E21C25/58—Machines slitting by drilling hole on hole

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)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)
GB2326253A 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine Expired GB741903A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE531325D BE531325A (de) 1953-08-24
GB2326253A GB741903A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine
FR1106828D FR1106828A (fr) 1953-08-24 1954-08-17 Tête de havense ou tarière
DEJ9047A DE959273C (de) 1953-08-24 1954-08-22 Gewinnungsbohrmaschinenkopf mit Schneidzylinder und konischer Kernbrechvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2326253A GB741903A (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
GB741903A true GB741903A (en) 1955-12-14

Family

ID=10192805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2326253A Expired GB741903A (en) 1953-08-24 1953-08-24 An improved cutter head for a mineral-mining or earth-boring machine

Country Status (4)

Country Link
BE (1) BE531325A (de)
DE (1) DE959273C (de)
FR (1) FR1106828A (de)
GB (1) GB741903A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245878A (en) * 1978-05-10 1981-01-20 Rotaflex (Great Britain) Limited Electrical wallplate fittings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR587002A (fr) * 1924-10-02 1925-04-09 Extracteur de charbon et de pierres
US2562841A (en) * 1949-07-13 1951-07-31 Charles E Compton Mining machine head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4245878A (en) * 1978-05-10 1981-01-20 Rotaflex (Great Britain) Limited Electrical wallplate fittings

Also Published As

Publication number Publication date
FR1106828A (fr) 1955-12-23
BE531325A (de)
DE959273C (de) 1957-03-07

Similar Documents

Publication Publication Date Title
GB741903A (en) An improved cutter head for a mineral-mining or earth-boring machine
GB741904A (en) An improved cutter head for a mineral-mining or earth-boring machine
GB733592A (en) Improvements in and relating to a method and machine for producing cylindrical elongated shaped charges of explosive material
GB667080A (en) Improvements in or relating to cam mechanisms
GB677900A (en) Improvements relating to pneumatic motors
GB1199216A (en) Tool Holder
GB698679A (en) Improvements in or relating to packing glands and the like
GB742204A (en) An improved cutter head for a mineral-mining or earth-boring machine
GB920334A (en) Improvements in or relating to rotary electro-magnets
JPS5228082A (en) Mass centering process of rotary part material
GB898548A (en) Mechanical hammer
GB574752A (en) Improvements in or relating to rotors for rotary machines, particularly steam or gasturbines
JPS5355005A (en) Production apparatus of rotary type memory device
GB742250A (en) Improvements in or relating to rotary drilling machines
GB670831A (en) Improvements relating to rotary swaging or forging machines
JPS53118009A (en) Video head cylinder device
JPS5434188A (en) Method of machining crankshaft
FR1002632A (fr) Générateur de gaz-vapeur sous haute et basse pression pour machines thermiques
GB684735A (en) Improved method and apparatus for the manufacture of cylindrical metallic shells
GB682752A (en) Diamond tool assembly
JPS51125798A (en) Process for preparing a new antibiotic, sf-1739 substance
JPS5253435A (en) Rotary mechanism
GB998113A (en) Improvements relating to rotary swaging and forging machines
JPS5224307A (en) An all-closed motor compressor
ES206363A1 (es) Perfeccionamientos en turbinas de gas