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DK137789B - PROCEDURE FOR MANUFACTURE OF A COOKING PLATE - Google Patents

PROCEDURE FOR MANUFACTURE OF A COOKING PLATE

Info

Publication number
DK137789B
DK137789B DK214273A DK214273A DK137789B DK 137789 B DK137789 B DK 137789B DK 214273 A DK214273 A DK 214273A DK 214273 A DK214273 A DK 214273A DK 137789 B DK137789 B DK 137789B
Authority
DK
Denmark
Prior art keywords
procedure
manufacture
cooking plate
cooking
plate
Prior art date
Application number
DK214273A
Other languages
Danish (da)
Other versions
DK137789C (en
Inventor
W Gruhl
D Hannibal
Original Assignee
Vaw Ver Aluminium Werke Ag
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 claimed from DE19722219250 external-priority patent/DE2219250C3/en
Priority claimed from DE19722240050 external-priority patent/DE2240050A1/en
Application filed by Vaw Ver Aluminium Werke Ag filed Critical Vaw Ver Aluminium Werke Ag
Publication of DK137789B publication Critical patent/DK137789B/en
Application granted granted Critical
Publication of DK137789C publication Critical patent/DK137789C/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/20—Acidic compositions for etching aluminium or alloys thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C22C21/10—Alloys based on aluminium with zinc as the next major constituent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • ing And Chemical Polishing (AREA)
DK214273A 1972-04-20 1973-04-18 PROCEDURE FOR MANUFACTURE OF A COOKING PLATE DK137789C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722219250 DE2219250C3 (en) 1972-04-20 1972-04-20 Etching plate
DE19722240050 DE2240050A1 (en) 1972-08-16 1972-08-16 Acid etched aluminium alloy plate - of increased hardness

Publications (2)

Publication Number Publication Date
DK137789B true DK137789B (en) 1978-05-08
DK137789C DK137789C (en) 1978-10-09

Family

ID=25763106

Family Applications (1)

Application Number Title Priority Date Filing Date
DK214273A DK137789C (en) 1972-04-20 1973-04-18 PROCEDURE FOR MANUFACTURE OF A COOKING PLATE

Country Status (8)

Country Link
AT (1) AT327230B (en)
CH (1) CH602924A5 (en)
DK (1) DK137789C (en)
FR (1) FR2181321A5 (en)
GB (1) GB1420819A (en)
IT (1) IT984483B (en)
LU (1) LU67457A1 (en)
NL (1) NL7305484A (en)

Also Published As

Publication number Publication date
ATA333373A (en) 1975-04-15
DK137789C (en) 1978-10-09
AT327230B (en) 1976-01-26
IT984483B (en) 1974-11-20
GB1420819A (en) 1976-01-14
NL7305484A (en) 1973-10-23
FR2181321A5 (en) 1973-11-30
CH602924A5 (en) 1978-08-15
LU67457A1 (en) 1973-07-05

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