IT966310B - MACHINE FOR BREAKING THE CRUST IN ELECTROLYTIC MELTING BATHS - Google Patents

MACHINE FOR BREAKING THE CRUST IN ELECTROLYTIC MELTING BATHS

Info

Publication number
IT966310B
IT966310B IT7253335A IT5333572A IT966310B IT 966310 B IT966310 B IT 966310B IT 7253335 A IT7253335 A IT 7253335A IT 5333572 A IT5333572 A IT 5333572A IT 966310 B IT966310 B IT 966310B
Authority
IT
Italy
Prior art keywords
crust
breaking
machine
melting baths
electrolytic melting
Prior art date
Application number
IT7253335A
Other languages
Italian (it)
Inventor
J Hatlevoll
P Jordal
G Sivertsen
Original Assignee
Ardal Og Sunndal Verk
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 Ardal Og Sunndal Verk filed Critical Ardal Og Sunndal Verk
Application granted granted Critical
Publication of IT966310B publication Critical patent/IT966310B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • B25D17/32—Trolleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Catching Or Destruction (AREA)
  • Percussive Tools And Related Accessories (AREA)
IT7253335A 1971-10-14 1972-10-12 MACHINE FOR BREAKING THE CRUST IN ELECTROLYTIC MELTING BATHS IT966310B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO3792/71A NO131036C (en) 1971-10-14 1971-10-14

Publications (1)

Publication Number Publication Date
IT966310B true IT966310B (en) 1974-02-11

Family

ID=19879850

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7253335A IT966310B (en) 1971-10-14 1972-10-12 MACHINE FOR BREAKING THE CRUST IN ELECTROLYTIC MELTING BATHS

Country Status (10)

Country Link
US (1) US3819144A (en)
JP (1) JPS4847651A (en)
CA (1) CA993833A (en)
CH (1) CH569798A5 (en)
DE (1) DE2250367A1 (en)
FR (1) FR2158887A5 (en)
GB (1) GB1379427A (en)
IT (1) IT966310B (en)
NO (1) NO131036C (en)
SU (1) SU639460A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702324A (en) * 1984-05-14 1987-10-27 Aluminum Company Of America Control system for positioning and operating a pneumatic percussion tool
US4852661A (en) * 1987-05-26 1989-08-01 Ellington David A Portable concrete hammer
US5490740A (en) * 1994-09-22 1996-02-13 Johnson; Robert J. Ground stabilized transportable drop hammer
CA2553813C (en) * 2004-01-29 2010-05-18 Clark Equipment Company Drop hammer
CN103046079B (en) * 2012-12-27 2015-11-18 东北大学 A kind of crust breaking control method for aluminium cell and device
CN104630830A (en) * 2015-03-13 2015-05-20 王冲 Bump-free crust breaking device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2423787A (en) * 1944-11-01 1947-07-08 Aluminum Co Of America Crust breaking apparatus
US2903949A (en) * 1956-05-14 1959-09-15 John H Lucas Helve action telescoping boom compactor
NL126517C (en) * 1959-09-03
NL129766C (en) * 1962-09-14
FI45374C (en) * 1970-10-19 1972-05-10 Tampella Oy Ab Fan drilling device.

Also Published As

Publication number Publication date
JPS4847651A (en) 1973-07-06
NO131036C (en) 1975-07-29
GB1379427A (en) 1975-01-02
CA993833A (en) 1976-07-27
SU639460A3 (en) 1978-12-25
FR2158887A5 (en) 1973-06-15
US3819144A (en) 1974-06-25
CH569798A5 (en) 1975-11-28
NO131036B (en) 1974-12-16
DE2250367A1 (en) 1973-04-19

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