EP1632588A1 - Procédé de fabrication d'une article de stockage - Google Patents

Procédé de fabrication d'une article de stockage Download PDF

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Publication number
EP1632588A1
EP1632588A1 EP04019964A EP04019964A EP1632588A1 EP 1632588 A1 EP1632588 A1 EP 1632588A1 EP 04019964 A EP04019964 A EP 04019964A EP 04019964 A EP04019964 A EP 04019964A EP 1632588 A1 EP1632588 A1 EP 1632588A1
Authority
EP
European Patent Office
Prior art keywords
tarnish
storage means
silver
sacrificial material
flock
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.)
Granted
Application number
EP04019964A
Other languages
German (de)
English (en)
Other versions
EP1632588B1 (fr
Inventor
Hans-Friedrich Dr. Ing. Fehse
Wolfgang Schweizer
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.)
WMF Group GmbH
Original Assignee
WMF Group GmbH
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 WMF Group GmbH filed Critical WMF Group GmbH
Priority to DE502004004515T priority Critical patent/DE502004004515D1/de
Priority to AT04019964T priority patent/ATE368757T1/de
Priority to EP04019964A priority patent/EP1632588B1/fr
Priority to ES04019964T priority patent/ES2289402T3/es
Publication of EP1632588A1 publication Critical patent/EP1632588A1/fr
Application granted granted Critical
Publication of EP1632588B1 publication Critical patent/EP1632588B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C23F15/00—Other methods of preventing corrosion or incrustation

Definitions

  • the invention relates to a method for producing a storage means and to a storage means for metal parts, in particular silver parts.
  • DE-C-198 34 226 describes a tarnish-preventing agent for metal objects which can be used inside closed spaces, e.g. in packaging or showcases, can be used.
  • the well-known anti-tarnish agent is a vapor-phase corrosion inhibitor, whose principle of action is based on the fact that it maintains or enhances the inherent, but mostly limited protective primary oxide layer formed very rapidly by contact with the atmosphere.
  • the known vapor-phase corrosion inhibitors are present as powders and are introduced into the packaging in a suitable manner.
  • the invention has for its object to provide a method for producing a storage means, can be effectively and safely protected against tarnishing with the metal parts.
  • the object is achieved by the method according to claim 1 and the storage means according to claim 6.
  • the combination according to the invention of a flocking storage means and a tarnish protection agent containing a sacrificial material provides a greatly enlarged surface for receiving a large amount of the tarnish protection agent by the flocking.
  • no chemical substances are released into the atmosphere by the anti-tarnish agent acting through a sacrificial material.
  • the anti-tarnish agent is also effective when airborne pollutants are present. Due to the large amount of anti-tarnish that can absorb flocking, the tarnish protection nevertheless lasts for a very long time.
  • the anti-tarnishing agent is preferably applied by dipping, as this is a particularly uniform and intensive distribution of the anti-tarnish agent is achieved.
  • a rinsing bath in particular the rinsing bath of a dyeing process for the flock, so that no separate process step is necessary for applying the tarnishing agent.
  • the anti-tarnishing agent should be selected in view of a particularly high degree of dissociation of the sacrificial material in the dipping bath, as a particularly fine distribution and an ionic form is achieved with a particularly high responsiveness.
  • a silver compound in particular silver nitrate, is preferably used as the sacrificial material.
  • the storage means 1 shows a highly schematic representation of an exemplary method for producing a storage means 1 for metal parts, in particular for silver-plated parts, Parts of solid silver, parts of copper, copper parts, parts with surfaces of other non-ferrous metals or the like.
  • the method of the invention is particularly suitable for cutlery, coins, jewelry or the like.
  • the storage means 1 is cup-shaped in the illustrated embodiment and can be used, for example as an insert an outer packaging or directly serve as a packaging or storage container. However, the storage means 1 may be formed as a cloth for wrapping or covering or the like.
  • the storage medium according to the invention is preferably produced by a simple modification of a conventional flocking process.
  • a sufficient amount of flock is initially provided, consisting of extremely short, no longer spinnable or weavable fibers, which may have a length of between 0.5 to 2 mm.
  • the flock used in the method according to the invention preferably has a fiber length between 1 mm and 1.5 mm.
  • the flock can be made from cotton fibers, viscose fibers, polyamide fibers or other suitable fibers or filaments.
  • the flock 2 is first dyed in a conventional dyeing device 3 and then rinsed in water, which happens in one or more immersion baths 4.
  • a tarnish-protection agent 5 is added to the single or preferably the last immersion bath 4 in the process according to the invention.
  • the tarnish protection agent 5 is present in the immersion bath 4 in aqueous solution and contains a sacrificial material, with the sacrificial material preferably forming the sole constituent of the tarnish protection agent.
  • the anti-tarnishing agent may optionally contain additives to improve, for example, the wetting or the like.
  • the term "sacrificial material” is to be understood as a material that shows greater chemical reactivity than the metal to be protected against the specific pollutant against which the metal should be protected by the tarnishing agent.
  • silver is attacked primarily by sulfur compounds, in particular hydrogen sulfide, in the air, forming the known gray or black tarnish layer.
  • a sacrificial material is therefore suitable especially a silver compound, and in particular silver nitrate, which has a high degree of dissociation and thus is in ionogenic form.
  • the silver nitrate has a high reaction surface and is thus much more responsive than metallic silver or the usual metallic silver alloys.
  • the anti-tarnish agent 5 is added in sufficient quantity to soak as possible and substantially the entire surface of each fiber of the flock 2 with the aqueous solution of the anti-tarnish agent and to occupy with anti-tarnish agent.
  • Useful amounts are for example up to 6 kg to 130 kg of flock. If less tarnish protection agent is used, this does not affect the overall protective effect; only the duration of full protection is reduced.
  • the soaked with anti-tarnish 5 flock 2 is dried in a drying device 6 and is ready for further processing.
  • a carrier 7 is provided.
  • the carrier 7 may be any suitable sheet or plate material, but is preferably a polystyrene sheet and is unwound, for example, from a coil.
  • an adhesive 9 is applied by means of an applicator 8 and equalized by a doctor blade 10 to a uniformly thick layer.
  • coated with adhesive carrier 9 7 passes through the total designated 11 flocking device having a first Beflockungsschacht 12. In this flocking shaft impregnated with anti-tarnish and dried flock 2 is blown, wherein the fibers are aligned by means of a flocking 13 perpendicular to the carrier 7.
  • the tarnish protection can also be sprayed or painted.
  • a rinsing bath as a dip is particularly useful because it saves a further step, it is quite possible to use a separate dipping only for applying the tarnish protection or another possibly necessary in the course of the process becoming immersion bath analogous to the rinse during dyeing twice use.
  • the flock can be applied by any known method. Furthermore, it is not absolutely necessary for the process to be continuous, in particular in the area of the flocking device. Thus, for example, it is also possible to subsequently flock preformed and pre-cut carriers.
  • silver nitrate for example, silver sulfate can be used as a sacrificial material. If other metals are to be protected against sulfur compounds or if they are to be protected against other pollutants, then the sacrificial material can also be different.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Wrappers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Holo Graphy (AREA)
EP04019964A 2004-08-23 2004-08-23 Procédé de fabrication d'une article de stockage Expired - Lifetime EP1632588B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE502004004515T DE502004004515D1 (de) 2004-08-23 2004-08-23 Verfahren zum Herstellen eines Aufbewahrungsmittels
AT04019964T ATE368757T1 (de) 2004-08-23 2004-08-23 Verfahren zum herstellen eines aufbewahrungsmittels
EP04019964A EP1632588B1 (fr) 2004-08-23 2004-08-23 Procédé de fabrication d'une article de stockage
ES04019964T ES2289402T3 (es) 2004-08-23 2004-08-23 Metodo para producir un medio de conservacion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04019964A EP1632588B1 (fr) 2004-08-23 2004-08-23 Procédé de fabrication d'une article de stockage

Publications (2)

Publication Number Publication Date
EP1632588A1 true EP1632588A1 (fr) 2006-03-08
EP1632588B1 EP1632588B1 (fr) 2007-08-01

Family

ID=34926266

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04019964A Expired - Lifetime EP1632588B1 (fr) 2004-08-23 2004-08-23 Procédé de fabrication d'une article de stockage

Country Status (4)

Country Link
EP (1) EP1632588B1 (fr)
AT (1) ATE368757T1 (fr)
DE (1) DE502004004515D1 (fr)
ES (1) ES2289402T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115558424A (zh) * 2022-10-21 2023-01-03 安徽上氟表面处理技术有限公司 一种贵金属表面保护剂及其制备方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013004980U1 (de) 2013-06-03 2013-06-25 Branofilter Gmbh Faserhaltiges Trägermaterial

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1766646A (en) * 1929-07-11 1930-06-24 Pacific Mills Method and material for preventing the tarnishing of silverware
US2590095A (en) * 1948-09-30 1952-03-25 Int Silver Co Silverware container
DE886996C (de) * 1951-07-15 1953-08-20 Wmf Wuerttemberg Metallwaren Anlaufschutzmittel fuer Silberwaren
DE957011C (de) * 1951-12-23 1957-01-24 Wmf Wuerttemberg Metallwaren Geschenkpackung, insbesondere Klarsichtpackung fuer Metallwaren, und Verfahren zur Herstellung derselben
DE1081746B (de) * 1952-04-08 1960-05-12 Wmf Wuerttemberg Metallwaren Behaelter zum Aufbewahren, Verpacken oder Lagern von Silberwaren od. dgl.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1766646A (en) * 1929-07-11 1930-06-24 Pacific Mills Method and material for preventing the tarnishing of silverware
US2590095A (en) * 1948-09-30 1952-03-25 Int Silver Co Silverware container
DE886996C (de) * 1951-07-15 1953-08-20 Wmf Wuerttemberg Metallwaren Anlaufschutzmittel fuer Silberwaren
DE957011C (de) * 1951-12-23 1957-01-24 Wmf Wuerttemberg Metallwaren Geschenkpackung, insbesondere Klarsichtpackung fuer Metallwaren, und Verfahren zur Herstellung derselben
DE1081746B (de) * 1952-04-08 1960-05-12 Wmf Wuerttemberg Metallwaren Behaelter zum Aufbewahren, Verpacken oder Lagern von Silberwaren od. dgl.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115558424A (zh) * 2022-10-21 2023-01-03 安徽上氟表面处理技术有限公司 一种贵金属表面保护剂及其制备方法

Also Published As

Publication number Publication date
EP1632588B1 (fr) 2007-08-01
ATE368757T1 (de) 2007-08-15
DE502004004515D1 (de) 2007-09-13
ES2289402T3 (es) 2008-02-01

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