ES399291A1 - Aparato perfeccionado para la dulcificacion bajo vacio del plomo. - Google Patents

Aparato perfeccionado para la dulcificacion bajo vacio del plomo.

Info

Publication number
ES399291A1
ES399291A1 ES399291A ES399291A ES399291A1 ES 399291 A1 ES399291 A1 ES 399291A1 ES 399291 A ES399291 A ES 399291A ES 399291 A ES399291 A ES 399291A ES 399291 A1 ES399291 A1 ES 399291A1
Authority
ES
Spain
Prior art keywords
kettle
bearing flange
lead
ring
vacuum
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
ES399291A
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.)
Societe Miniere et Metallurgique de Penarroya
Original Assignee
Societe Miniere et Metallurgique de Penarroya
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 Societe Miniere et Metallurgique de Penarroya filed Critical Societe Miniere et Metallurgique de Penarroya
Publication of ES399291A1 publication Critical patent/ES399291A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B13/00Obtaining lead
    • C22B13/06Refining
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/04Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Thermal Insulation (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Physical Vapour Deposition (AREA)
ES399291A 1971-02-03 1972-01-28 Aparato perfeccionado para la dulcificacion bajo vacio del plomo. Expired ES399291A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717103539A FR2124073B1 (es) 1971-02-03 1971-02-03

Publications (1)

Publication Number Publication Date
ES399291A1 true ES399291A1 (es) 1974-12-16

Family

ID=9071303

Family Applications (1)

Application Number Title Priority Date Filing Date
ES399291A Expired ES399291A1 (es) 1971-02-03 1972-01-28 Aparato perfeccionado para la dulcificacion bajo vacio del plomo.

Country Status (16)

Country Link
US (1) US3774892A (es)
AT (1) AT312948B (es)
BE (1) BE778799A (es)
BG (1) BG19196A3 (es)
BR (1) BR7200619D0 (es)
CA (1) CA952307A (es)
CS (1) CS162774B2 (es)
ES (1) ES399291A1 (es)
FR (1) FR2124073B1 (es)
GB (1) GB1326175A (es)
IT (1) IT949401B (es)
LU (1) LU64703A1 (es)
NL (1) NL154556B (es)
RO (1) RO61847A (es)
SU (1) SU419046A3 (es)
YU (1) YU34560B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2041066C (en) * 1991-04-23 1997-03-25 Philip G. Evans One step process for the treatment of parkes desilvering crust to recover zinc and produce a suitable feed for cupellation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615706A (en) * 1949-08-05 1952-10-28 Broken Hill Ass Smelter Distillation of metals

Also Published As

Publication number Publication date
AT312948B (de) 1974-01-25
NL7201201A (es) 1972-08-07
FR2124073A1 (es) 1972-09-22
CA952307A (en) 1974-08-06
LU64703A1 (es) 1972-06-30
YU34560B (en) 1979-09-10
SU419046A3 (es) 1974-03-05
YU23972A (en) 1979-02-28
FR2124073B1 (es) 1974-02-15
NL154556B (nl) 1977-09-15
BG19196A3 (bg) 1975-04-30
GB1326175A (en) 1973-08-08
RO61847A (es) 1977-05-15
US3774892A (en) 1973-11-27
IT949401B (it) 1973-06-11
BE778799A (fr) 1972-05-30
CS162774B2 (es) 1975-07-15
BR7200619D0 (pt) 1973-06-14

Similar Documents

Publication Publication Date Title
ES221766U (es) Barril con tapadera.
ES399291A1 (es) Aparato perfeccionado para la dulcificacion bajo vacio del plomo.
FR2381447A7 (fr) Recipient pour fromage frais
GB535303A (en) An improved container for projectile fuzes
GB961778A (en) Device for deflecting molasses from the outside of a screening insert of a sugar centrifuge
ES65504U (es) Un bote para hilatura
ES70743U (es) Aro protector intermedio entre el recipiente y la tapa de envases
ES316716A3 (es) Perfeccionamientos en los envases metalicos
GB1258864A (es)
CH559931A (en) Wrist watch with mineral glass lens - has seal between mounting ring and peripheral edge of watch glass
ES58544U (es) Vaso de cierre hermético perfeccionado
ES358910A3 (es) Perfeccionamientos en los separadores centrifugos de marchacontinua y evacuacion automatica de las impurezas contenidasen el liquido a purificar.
ES61999U (es) Olla a presión perfeccionada
ES173834U (es) Tapa perfeccionada para envases cilindricos.
ES205622U (es) Disposicion sustentadora elastica para equipos motores.
ES159286U (es) Envase conico de cierre hermetico.
ES167820U (es) Un tapón hermético
ES72163U (es) Disposición perfeccionada para el cierre de la boca de envases metálicos
ES58652U (es) Bote perfeccionado para envase de pintura y similares
ES194880U (es) Cierre para envases.
ES206110U (es) Maquina portatil para cerrar aros de precinto.
ES273035A1 (es) Perfeccionamientos en los cierres de envases metalicos con precinto protector
ES150290U (es) Jarra-termos.
ES155984U (es) Dispositivo de cierre para cursores.
YU182671A (en) Process for obtaining the intracellular enzyme glucose oxidase from the mycelium of aspergillus niger