GB2464108A - Coating for glass container plungers - Google Patents
Coating for glass container plungers Download PDFInfo
- Publication number
- GB2464108A GB2464108A GB0818004A GB0818004A GB2464108A GB 2464108 A GB2464108 A GB 2464108A GB 0818004 A GB0818004 A GB 0818004A GB 0818004 A GB0818004 A GB 0818004A GB 2464108 A GB2464108 A GB 2464108A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coating
- plungers
- glass container
- glass
- coated
- 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.)
- Withdrawn
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 22
- 239000011248 coating agent Substances 0.000 title claims abstract description 21
- 239000011521 glass Substances 0.000 title claims abstract description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims description 2
- 239000000956 alloy Substances 0.000 abstract description 7
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 239000011159 matrix material Substances 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010941 cobalt Substances 0.000 abstract description 3
- 229910017052 cobalt Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001018 Cast iron Inorganic materials 0.000 abstract 1
- 229910001208 Crucible steel Inorganic materials 0.000 abstract 1
- 239000006060 molten glass Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910017061 Fe Co Inorganic materials 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3828—Moulds made of at least two different materials having different thermal conductivities
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/10—Construction of plunger or mould for making hollow or semi-hollow articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/13—Blowing glass; Production of hollow glass articles in gob feeder machines
- C03B9/193—Blowing glass; Production of hollow glass articles in gob feeder machines in "press-and-blow" machines
- C03B9/1932—Details of such machines, e.g. plungers or plunger mechanisms for the press-and-blow machine, cooling of plungers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B9/00—Blowing glass; Production of hollow glass articles
- C03B9/30—Details of blowing glass; Use of materials for the moulds
- C03B9/48—Use of materials for the moulds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/067—Metallic material containing free particles of non-metal elements, e.g. carbon, silicon, boron, phosphorus or arsenic
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
A plunger used to manufacture glass containers (unit 1) is usually made from cast iron or steel. To protect it from high temperature abrasion, the molten glass contact (unit 2) is protected by applying a coating to the external surface of the plunger. The coating material is a blend of 62% CoBSiCr self-fluxing alloy and 38% WC-12Co. The tungsten carbide is supported by the matrix of self-fluxing alloy. The cobalt-based self-fluxing alloy prevents the risk of nickel inclusions in the glass.
Description
Title: Coating for Glass container plungers.
Background:
Hunprenco is a company that manufacture plungers for the Glass Container industry.
As such these plungers are subjected to excessive heat and abrasion. The industry standards for the coating materials for these plungers are normally a Tungsten Carbide bearing material supported by a NiCrBSi matrix.
Statement of invention:
Hunprenco is the only company in the World to develop the solution to replace the Nickel matrix with a Cobalt matrix, increasing the working temperature of the Glass Plant of up to 100°C., also the chance of Nickel inclusions currently being experienced has almost been eradicated, which will be a vast cost saving for the Glass Industry, Tungsten Carbide is added for additional wear resistance.
Advantages: The working temperature of the plunger is around 530°C, at this temperature the conventional plungers work OK. If for whatever reason the plunger over heats it can result in the Nickel matrix breaking down resulting in Nickel voids in the glass, causing a high percentage of scrap, the scrap containers then have to be re-made.
A lot of Glass Container manufacturing companies are looking at high velocity machines resulting in higher operating temperatures. This Cobalt/Tungsten coating will give them that.
This will also have an environmental effect by giving the Glass Container manufacturers higher yields from their production, thus using less energy.
Introduction to the Chemical composition of coating: An example of the coating solution is shown on the Laboratory report attached. See fig 1.
For an example of a typical plunger. See figure 2. (Although this is not the invention, it is the coating on the outside of the plunger which is the invention).
Figure 1: Laboratory Report Date: 30th September 2008 Reported By: John Lapping Examination of Hunprenco glass industry plunger A plunger was supplied for examination. It was manufactured from AISI-SAE 8620 Heat-Treatable Low-Alloy (HTLA) steel and a hard-surface coating applied by HVOF.
The plunger was submitted to a series of chemical and metallographic tests.
RESULTS: Plunger -Coated with alloy HTC6IC Chemical Composition Table 1 -Base Metal. AISI-SAE 8620 steel C Si Mn P S Cr Mo Ni Result 0.197 0.24 0.78 0.01 0.01 0.51 0.19 0.48 Minimum 0.18 0.15 0.70 --0.40 0.15 0.40 Maximum 0.23 0.35 0.90 0.035 0.04 0.60 0.25 0.70 Analysis method: ICP / Leco combustometric C, P, S. The chemical analysis of the base metal corresponds to AISI 8620.
Coating Alloy: Coating material is a blend of; a) 62% CoBSiCr self-fluxing alloy and; b) 38% WC-l2Co "sintered" tungsten carbide.
Nominal Composition _______ _______ _______________________ Element Co Cr B Si Fe C Ni a) Balanc 18.00 2.60 3.60 3.50 0.50 20 CoCrBSi e ______ ______ ______ ____________________ Element W C Fe Co b)WC-Balanc 5.40 <0.20 12.00 12Cc e ______ ______ ______ Element B C Co Cr Fe Ni Si [ W Calculated 1.65 2.36 36.67 12.24 2.38 13.00 2.25 j 31.38 Element B C Co Cr Fe Ni Si W Actual 1.97 2.58 33.23 11.68 1.82 13.00 1.72 34.00 Max 2.00 2.75 57.25 13.00 2.50 13.00 2.25 50.00 Mm 1.50 2.00 14.50 11.00 1.75 10.00 1.50 15.00 Dimensional Inspection: Coating thickness _________ _________ __________ ___________ Tip Stem Stem Stem Stem Position A Position B Position C Position D Actual coating 0.50mm 0.47mm 0.45mm 0.52mm 0.45mm thickness ________ __________ _________ __________ ___________ Coating Mm. 0.30mm thickness _________ Coating Max. 0.80mm thickness _________
Claims (5)
- Claims: 1. A glass container manufacturing plant using plungers coated with the HTC61C coating will work at higher temperatures than the plungers they currently use.
- 2. A glass container manufacturing plant using plungers coated with the HTC61C coating will work at higher velocities than the plungers they currently use.
- 3. A glass container manufacturing plant using plungers coated with the HTC6IC coating will give a higher yield and cost effectiveness for the customer by working at higher velocities.
- 4. A glass container manufacturing plant using plungers coated with the HTC6 IC coating will have a positive environmental impact by reducing the amount of re-makes due to Nickel voids in the glass, thus using less power.
- 5. A glass container manufacturing plant using plungers coated with the HTC61C coating will help eliminate voids in the glass caused by the high Nickel content of the current coatings used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0818004A GB2464108A (en) | 2008-10-02 | 2008-10-02 | Coating for glass container plungers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0818004A GB2464108A (en) | 2008-10-02 | 2008-10-02 | Coating for glass container plungers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0818004D0 GB0818004D0 (en) | 2008-11-05 |
| GB2464108A true GB2464108A (en) | 2010-04-07 |
Family
ID=40019904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0818004A Withdrawn GB2464108A (en) | 2008-10-02 | 2008-10-02 | Coating for glass container plungers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2464108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2612944A1 (en) * | 2012-01-04 | 2013-07-10 | MEC Holding GmbH | Plunger for use in manufacturing glass containers |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867455A (en) * | 1958-04-24 | 1961-05-10 | Metco Inc | Improvements relating to the production of carbide-containing sprayweld coatings |
| JPS5893868A (en) * | 1981-11-30 | 1983-06-03 | Hitachi Metals Ltd | Material for composite hot worked tool and its production |
| US4507151A (en) * | 1980-12-05 | 1985-03-26 | Castolin S.A. | Coating material for the formation of abrasion-resistant and impact-resistant coatings on workpieces |
| JPS61201701A (en) * | 1985-03-04 | 1986-09-06 | Showa Denko Kk | Composite alloy powder |
| JPH08165581A (en) * | 1994-12-09 | 1996-06-25 | Kobe Steel Ltd | Member for die casting |
| JPH11171562A (en) * | 1997-12-17 | 1999-06-29 | Nippon Yuteku Kk | Plunger for bottle making and its production |
| EP1010674A2 (en) * | 1998-12-14 | 2000-06-21 | Praxair S.T. Technology, Inc. | Release coating for glass molds |
| KR20050062764A (en) * | 2005-06-03 | 2005-06-27 | 홍명수 | Run out table roll of hot rolled steel's manufacturing method |
-
2008
- 2008-10-02 GB GB0818004A patent/GB2464108A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB867455A (en) * | 1958-04-24 | 1961-05-10 | Metco Inc | Improvements relating to the production of carbide-containing sprayweld coatings |
| US4507151A (en) * | 1980-12-05 | 1985-03-26 | Castolin S.A. | Coating material for the formation of abrasion-resistant and impact-resistant coatings on workpieces |
| JPS5893868A (en) * | 1981-11-30 | 1983-06-03 | Hitachi Metals Ltd | Material for composite hot worked tool and its production |
| JPS61201701A (en) * | 1985-03-04 | 1986-09-06 | Showa Denko Kk | Composite alloy powder |
| JPH08165581A (en) * | 1994-12-09 | 1996-06-25 | Kobe Steel Ltd | Member for die casting |
| JPH11171562A (en) * | 1997-12-17 | 1999-06-29 | Nippon Yuteku Kk | Plunger for bottle making and its production |
| EP1010674A2 (en) * | 1998-12-14 | 2000-06-21 | Praxair S.T. Technology, Inc. | Release coating for glass molds |
| KR20050062764A (en) * | 2005-06-03 | 2005-06-27 | 홍명수 | Run out table roll of hot rolled steel's manufacturing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2612944A1 (en) * | 2012-01-04 | 2013-07-10 | MEC Holding GmbH | Plunger for use in manufacturing glass containers |
| WO2013102635A1 (en) * | 2012-01-04 | 2013-07-11 | Mec Holding Gmbh | Plunger for use in manufacturing glass containers |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0818004D0 (en) | 2008-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |