BE1029998B1 - Method and device for galvanizing threaded rods with open drum - Google Patents

Method and device for galvanizing threaded rods with open drum

Info

Publication number
BE1029998B1
BE1029998B1 BE20215953A BE202105953A BE1029998B1 BE 1029998 B1 BE1029998 B1 BE 1029998B1 BE 20215953 A BE20215953 A BE 20215953A BE 202105953 A BE202105953 A BE 202105953A BE 1029998 B1 BE1029998 B1 BE 1029998B1
Authority
BE
Belgium
Prior art keywords
drum
bath
threaded rods
galvanizing
zinc
Prior art date
Application number
BE20215953A
Other languages
Dutch (nl)
Other versions
BE1029998A1 (en
Inventor
Emmanuel Hens
Original Assignee
Duroc Nv
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 Duroc Nv filed Critical Duroc Nv
Priority to BE20215953A priority Critical patent/BE1029998B1/en
Publication of BE1029998A1 publication Critical patent/BE1029998A1/en
Application granted granted Critical
Publication of BE1029998B1 publication Critical patent/BE1029998B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/16—Apparatus for electrolytic coating of small objects in bulk
    • C25D17/22—Apparatus for electrolytic coating of small objects in bulk having open containers
    • C25D17/26—Oscillating baskets
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/003—Threaded pieces, e.g. bolts or nuts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

De huidige uitvinding heeft betrekking op een werkwijze voor het elektrolytisch verzinken van draadstangen, omvattende het aanbrengen van een veelheid draadstangen in een geperforeerde trommel via een overlangse sleuf en het sequentieel onderdompelen van de trommel in volgende vier baden: een ontvetbad, een beitsbad, een zinkbad, voorzien van een zure, waterige oplossing die zinkionen en chloride-ionen omvat, en een passiveerbad, waarbij de trommel tijdens het onderdompelen in het zinkbad gezwenkt wordt tussen een hoek van 180° en -180°. In het bijzonder zullen de draadstangen verenkeld en verdeeld worden tijdens het zwenken middels een interne hoek aanwezig in de trommel. De uitvinding heeft eveneens betrekking op een inrichting voor het elektrolytisch verzinken van draadstangen omvattende: een van een sleuf voorziene, prismavormige trommel met geperforeerde zijvlakken, en een hangbaan voorzien van ophangelementen, zwenkbaar gekoppeld aan het grond- en bovenvlak van de trommel, waarbij de hangbaan is uitgevoerd met ten minste een daling en tenminste een stijging voor het respectievelijk neerwaarts in een bad en opwaarts uit het bad voeren van de trommel. In het bijzonder bezit één van de zijvlakken van de trommel over de lengte een geul.The present invention relates to a method for electrolytically galvanizing threaded rods, comprising inserting a plurality of threaded rods into a perforated drum through a longitudinal slot and sequentially immersing the drum in the following four baths: a degreasing bath, a pickling bath, a zinc bath , provided with an acidic, aqueous solution comprising zinc ions and chloride ions, and a passivation bath, in which the drum is pivoted between an angle of 180° and -180° during immersion in the zinc bath. In particular, the threaded rods will be separated and divided during pivoting by means of an internal angle present in the drum. The invention also relates to an apparatus for electrolytically galvanizing threaded rods, comprising: a slotted, prism-shaped drum with perforated side surfaces, and an overhead track provided with suspension elements, pivotally coupled to the base and top surface of the drum, wherein the overhead track is provided with at least one descent and at least one rise for carrying the drum downwards into a bath and upwards out of the bath, respectively. In particular, one of the side surfaces of the drum has a groove along its length.

BE20215953A 2021-12-08 2021-12-08 Method and device for galvanizing threaded rods with open drum BE1029998B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE20215953A BE1029998B1 (en) 2021-12-08 2021-12-08 Method and device for galvanizing threaded rods with open drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE20215953A BE1029998B1 (en) 2021-12-08 2021-12-08 Method and device for galvanizing threaded rods with open drum

Publications (2)

Publication Number Publication Date
BE1029998A1 BE1029998A1 (en) 2023-06-30
BE1029998B1 true BE1029998B1 (en) 2023-07-03

Family

ID=79185571

Family Applications (1)

Application Number Title Priority Date Filing Date
BE20215953A BE1029998B1 (en) 2021-12-08 2021-12-08 Method and device for galvanizing threaded rods with open drum

Country Status (1)

Country Link
BE (1) BE1029998B1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4728717U (en) * 1971-04-19 1972-12-01
US3803007A (en) * 1970-02-09 1974-04-09 Oxy Metal Finishing Corp Method for treating workpieces in bulk
US3809641A (en) * 1968-05-11 1974-05-07 Nippon Kokan Kk Electroplating apparatus with plating vessel having protrusions and recesses
GB1391707A (en) * 1971-05-07 1975-04-23 Strecke H Containers for electroplating baths
GB1422525A (en) * 1972-03-24 1976-01-28 Electroloid Ltd Electro-plating plants
US20070246369A1 (en) * 2004-03-23 2007-10-25 Glomax S.R.L. Process and Apparatus for the Electrogalvanic Coating of Metal Items
KR102273839B1 (en) * 2021-03-09 2021-07-06 (주)엠앤에스코리아 Apparatus for treating surface

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2008522C2 (en) 2012-03-22 2013-09-25 Gto Holding B V DEVICE, SYSTEM, AND METHOD FOR ELECTROLYTIC SINKING OF METAL TUBES.

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809641A (en) * 1968-05-11 1974-05-07 Nippon Kokan Kk Electroplating apparatus with plating vessel having protrusions and recesses
US3803007A (en) * 1970-02-09 1974-04-09 Oxy Metal Finishing Corp Method for treating workpieces in bulk
JPS4728717U (en) * 1971-04-19 1972-12-01
GB1391707A (en) * 1971-05-07 1975-04-23 Strecke H Containers for electroplating baths
GB1422525A (en) * 1972-03-24 1976-01-28 Electroloid Ltd Electro-plating plants
US20070246369A1 (en) * 2004-03-23 2007-10-25 Glomax S.R.L. Process and Apparatus for the Electrogalvanic Coating of Metal Items
KR102273839B1 (en) * 2021-03-09 2021-07-06 (주)엠앤에스코리아 Apparatus for treating surface

Also Published As

Publication number Publication date
BE1029998A1 (en) 2023-06-30

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Legal Events

Date Code Title Description
FG Patent granted

Effective date: 20230703