BE531326A - - Google Patents

Info

Publication number: BE531326A
Authority: BE; Belgium

Application number

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.)

1953-08-24

Publication of BE531326A publication Critical patent/BE531326A/xx

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)
Earth Drilling (AREA)

BE531326D 1953-08-24 BE531326A (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2326353A GB741904A (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
BE531326A true BE531326A (zh)

Family

ID=10192825

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE531326D BE531326A (zh)	1953-08-24

Country Status (4)

Country	Link
BE (1)	BE531326A (zh)
DE (1)	DE963323C (zh)
FR (1)	FR1114347A (zh)
GB (1)	GB741904A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2954219A (en) *	1958-02-28	1960-09-27	Joy Mfg Co	Screw wedge burster

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2250670A (en) *	1939-01-20	1941-07-29	Joy Mfg Co	Drilling apparatus
US2399074A (en) *	1945-06-13	1946-04-23	Charles E Tibbals	Breaking down mechanism

0
- BE BE531326D patent/BE531326A/xx unknown
1953
- 1953-08-24 GB GB2326353A patent/GB741904A/en not_active Expired
1954
- 1954-08-17 FR FR1114347D patent/FR1114347A/fr not_active Expired
- 1954-08-22 DE DEJ9049A patent/DE963323C/de not_active Expired

Also Published As

Publication number	Publication date
DE963323C (de)	1957-05-09
FR1114347A (fr)	1956-04-11
GB741904A (en)	1955-12-14

Publication	Publication Date	Title
BE517130A (zh)	1953-02-14
JPS312152B1 (zh)	1956-03-26
AT199365B (zh)	1958-08-25
DE1066820B1 (zh)	1959-10-08
AT199317B (zh)	1958-08-25
AT197771B (zh)	1958-05-27
AT213751B (zh)	1961-02-27
AT205166B (zh)	1959-09-10
BE517261A (zh)
BE516895A (zh)
BE531325A (zh)
BE531328A (zh)
BE533263A (zh)
BE532773A (zh)
BE532115A (zh)
BE531977A (zh)
BE524228A (zh)
BE517828A (zh)
BE517734A (zh)	1953-03-14
BE517732A (zh)
BE517726A (zh)	1953-08-17
BE517667A (zh)
BE517380A (zh)
BE517318A (zh)
LU32737A1 (zh)