CA2142522A1 - Method of applying a decoration to a culinary utensil - Google Patents
Method of applying a decoration to a culinary utensilInfo
- Publication number
- CA2142522A1 CA2142522A1 CA002142522A CA2142522A CA2142522A1 CA 2142522 A1 CA2142522 A1 CA 2142522A1 CA 002142522 A CA002142522 A CA 002142522A CA 2142522 A CA2142522 A CA 2142522A CA 2142522 A1 CA2142522 A1 CA 2142522A1
- Authority
- CA
- Canada
- Prior art keywords
- decoration
- fluorocarbon resin
- microcavities
- disk
- utensil
- 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.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
- B05D5/086—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers having an anchoring layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/05—Cooking vessels
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Cookers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Printing Methods (AREA)
- Frying-Pans Or Fryers (AREA)
- Washing And Drying Of Tableware (AREA)
- Toys (AREA)
- Adornments (AREA)
- Glass Compositions (AREA)
- Vending Machines For Individual Products (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- General Preparation And Processing Of Foods (AREA)
Abstract
The method of forming a decoration comprises the following steps:
a) at least one side of the utensil (1) is chemically attacked to form attachment microcavities (3) thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration (2);
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface (4) is applied to said one side, including said decoration, with sufficient pressure to eliminate the microcavities (3) outside the areas covered by the decoration (2).
a) at least one side of the utensil (1) is chemically attacked to form attachment microcavities (3) thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration (2);
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface (4) is applied to said one side, including said decoration, with sufficient pressure to eliminate the microcavities (3) outside the areas covered by the decoration (2).
Description
~ 21~2~22 "Method for applying decoration to a culinary utensil"
The present invention concerns a method of applying a decoration based on fluorocarbon resin and a colored pigment to part of one side of a metal culinary utensil.
Non-stick culinary utensils whose outside is also covered with a non-stick coating usually have the outside of the bottom dressed (i.e. the coating of fluorocarbon resin such as PTFE is machined away).
The aluminum bottom therefore comprises a varying depth spiral groove which is a problem because it rapidly becomes soiled with use. Apart from being unattractive in appearance, it is very difficult to clean and its appearance deteriorates with further use.
A brushed finish can make the bottom easier to clean, but is still unattractive, however.
Consideration has therefore been given to improving the appearance of the bottom of the utensil by direct application to the metal of the utensil of a decoration based on fluorocarbon resin and pigment.
An object of the present invention is therefore the direct application of a decoration which is strongly adherent to one side, for example the bottom, of a metal utensil, all of the side so decorated being resistant to soiling and easy to clean.
In accordance with the invention, this method is characterized by the following steps:
a) at least said one side of the utensil is chemically attacked to form attachment microcavities thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration;
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface is applied to said one side, 21~2522 including said decoration, with sufficient pressure to eliminate the microcavities outside the areas covered by the decoration.
The effect of application of the pressing surface to the side carrying the decoration is:
firstly to crush the fluorocarbon resin based decoration, which strengthens its attachment in the microcavities; and secondly to crush the microcavities located outside the decoration, the effect of which is to eliminate these microcavities and to obtain a smooth, easy cleanable surface with a metallic appearance.
In a preferred embodiment of the invention:
- an aluminum disk is etched with an acid to create microcavities on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration based on fluorocarbon res-in and pigment is applied to the other side of the disk;
- the disk is heated to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface is applied to the side carrying the decoration to crush and so eliminate the microcavities.
Other features and advantages of the invention will emerge further in the following description.
In the appended drawings which are given by way of non-limiting example:
- figure 1 is a part-sectional view of the bottom of a culinary utensil having decoration applied by the method of the invention;
- figure 2 is a view analogous to figure 1 showing the condition of the surface after the pressing stage;
- figure 3 is a view analogous to figure 2 showing an alternative embodiment of the 'invention in which a ,_ , recess is formed during the pressing stage;
- figure 4 is a view analogous to figure 3 showing a further embodiment in which a projection is formed during the pressing stage;
- figure 5 is a plan view of the bottom of a frying pan to which decoration has been applied in accordance with the invention.
Referring to the appended drawing, the method of forming on part of one side of a metal culinary utensil 1 a decoration 2 based on fluorocarbon resin and a colored pigment comprises the following steps:
- a) at least said one side of the utensil is chemically attacked to form attachment microcavities 3 thereon (figure l);
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration 2;
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface 4 is applied to said one side, including said decoration 2, with sufficient pressure to eliminate the microcavities 3 outside the areas covered by the decoration 2 (see figure 2).
The culinary utensil 1 is preferably pressed from a sheet of aluminum or aluminum alloy.
The decoration 2 can be ap~lied to said side by silkscreen printing by the method described in European patent n 188 958 in the name of this ~pplicant.
In the figure 3 and 4 examples the pressing surface 4A, 4B has a raised pattern 7, 8 to produce in the area of the side of the utensil outside the decoration 2 one or more recesses or projections whose surface is also made smooth by crushing the microcavities.
The decoration 2 could instead ~e applied from an aqueous suspension by spraying PTFE~and pigment through a 21~2522 stencil, or by any other known method.
In practise, the procedure is as follows:
- - an aluminum disk 1 is etched with an acid to create microcavities 3 on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration 2 based on fluorocarbon resin and pigment is applied to the other side of the disk;
- the disk is heated to a temperature between 400C
and 450C in an oven to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface 4, 4A or 4B is applied to the side carrying the decoration 2 to crush and so eliminate the microcavities 3. The pressing must be carried out at a pressure of not less than 600 kg/cm2.
Figure 5 shows a frying pan whose bottom has a decorated area 5 and an external area 6 where the metal is bare but has been made smooth by the method of the invention.
The pressing operation not only attaches the decoration 5 firmly to the microcavities but also makes the area 6 smooth and easy to clean.
The present invention concerns a method of applying a decoration based on fluorocarbon resin and a colored pigment to part of one side of a metal culinary utensil.
Non-stick culinary utensils whose outside is also covered with a non-stick coating usually have the outside of the bottom dressed (i.e. the coating of fluorocarbon resin such as PTFE is machined away).
The aluminum bottom therefore comprises a varying depth spiral groove which is a problem because it rapidly becomes soiled with use. Apart from being unattractive in appearance, it is very difficult to clean and its appearance deteriorates with further use.
A brushed finish can make the bottom easier to clean, but is still unattractive, however.
Consideration has therefore been given to improving the appearance of the bottom of the utensil by direct application to the metal of the utensil of a decoration based on fluorocarbon resin and pigment.
An object of the present invention is therefore the direct application of a decoration which is strongly adherent to one side, for example the bottom, of a metal utensil, all of the side so decorated being resistant to soiling and easy to clean.
In accordance with the invention, this method is characterized by the following steps:
a) at least said one side of the utensil is chemically attacked to form attachment microcavities thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration;
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface is applied to said one side, 21~2522 including said decoration, with sufficient pressure to eliminate the microcavities outside the areas covered by the decoration.
The effect of application of the pressing surface to the side carrying the decoration is:
firstly to crush the fluorocarbon resin based decoration, which strengthens its attachment in the microcavities; and secondly to crush the microcavities located outside the decoration, the effect of which is to eliminate these microcavities and to obtain a smooth, easy cleanable surface with a metallic appearance.
In a preferred embodiment of the invention:
- an aluminum disk is etched with an acid to create microcavities on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration based on fluorocarbon res-in and pigment is applied to the other side of the disk;
- the disk is heated to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface is applied to the side carrying the decoration to crush and so eliminate the microcavities.
Other features and advantages of the invention will emerge further in the following description.
In the appended drawings which are given by way of non-limiting example:
- figure 1 is a part-sectional view of the bottom of a culinary utensil having decoration applied by the method of the invention;
- figure 2 is a view analogous to figure 1 showing the condition of the surface after the pressing stage;
- figure 3 is a view analogous to figure 2 showing an alternative embodiment of the 'invention in which a ,_ , recess is formed during the pressing stage;
- figure 4 is a view analogous to figure 3 showing a further embodiment in which a projection is formed during the pressing stage;
- figure 5 is a plan view of the bottom of a frying pan to which decoration has been applied in accordance with the invention.
Referring to the appended drawing, the method of forming on part of one side of a metal culinary utensil 1 a decoration 2 based on fluorocarbon resin and a colored pigment comprises the following steps:
- a) at least said one side of the utensil is chemically attacked to form attachment microcavities 3 thereon (figure l);
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration 2;
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface 4 is applied to said one side, including said decoration 2, with sufficient pressure to eliminate the microcavities 3 outside the areas covered by the decoration 2 (see figure 2).
The culinary utensil 1 is preferably pressed from a sheet of aluminum or aluminum alloy.
The decoration 2 can be ap~lied to said side by silkscreen printing by the method described in European patent n 188 958 in the name of this ~pplicant.
In the figure 3 and 4 examples the pressing surface 4A, 4B has a raised pattern 7, 8 to produce in the area of the side of the utensil outside the decoration 2 one or more recesses or projections whose surface is also made smooth by crushing the microcavities.
The decoration 2 could instead ~e applied from an aqueous suspension by spraying PTFE~and pigment through a 21~2522 stencil, or by any other known method.
In practise, the procedure is as follows:
- - an aluminum disk 1 is etched with an acid to create microcavities 3 on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration 2 based on fluorocarbon resin and pigment is applied to the other side of the disk;
- the disk is heated to a temperature between 400C
and 450C in an oven to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface 4, 4A or 4B is applied to the side carrying the decoration 2 to crush and so eliminate the microcavities 3. The pressing must be carried out at a pressure of not less than 600 kg/cm2.
Figure 5 shows a frying pan whose bottom has a decorated area 5 and an external area 6 where the metal is bare but has been made smooth by the method of the invention.
The pressing operation not only attaches the decoration 5 firmly to the microcavities but also makes the area 6 smooth and easy to clean.
Claims (6)
1. Method of forming on part of one side of a metal culinary utensil (1) a decoration (2) based on fluorocarbon resin and a colored pigment, characterized by the following steps:
a) at least said one side of the utensil (1) is chemically attacked to form attachment microcavities (3) thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration (2);
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface (4, 4A, 4B) is applied to said one side, including said decoration (2), with sufficient pressure to eliminate the microcavities (3) outside the areas covered by the decoration and to recreate a bright metallic appearance.
a) at least said one side of the utensil (1) is chemically attacked to form attachment microcavities (3) thereon;
b) a composition based on fluorocarbon resin and a colored pigment is applied directly to predetermined areas of said one side delimiting the decoration (2);
c) the fluorocarbon resin of said decoration is cured by heating;
d) a pressing surface (4, 4A, 4B) is applied to said one side, including said decoration (2), with sufficient pressure to eliminate the microcavities (3) outside the areas covered by the decoration and to recreate a bright metallic appearance.
2. Method according to claim 1 characterized in that the culinary utensil (1) is pressed from a sheet of aluminum or aluminum alloy.
3. Method according to claim 1 or claim 2 characterized in that said decoration (2) is applied to said one side by silkscreen printing.
4. Method according to claim 1 or claim 2 characterized in that said decoration (2) is applied to said one side by spraying through a stencil.
5. Method according to any one of claims 1 to 4 characterized by the following steps:
- an aluminum disk (1) is etched with an acid to create microcavities (3) on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration (2) based on fluorocarbon resin and pigment is applied to the other side of the disk;
- the disk is heated to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface (4, 4A, 4B) is applied to the side (1) carrying the decoration to crush and so eliminate the microcavities (3).
- an aluminum disk (1) is etched with an acid to create microcavities (3) on both sides;
- a layer of fluorocarbon resin is applied to one side of the disk;
- a decoration (2) based on fluorocarbon resin and pigment is applied to the other side of the disk;
- the disk is heated to cure the fluorocarbon resin present on both sides of the disk;
- a pressing surface (4, 4A, 4B) is applied to the side (1) carrying the decoration to crush and so eliminate the microcavities (3).
6. Method according to any one of claims 1 to 5 characterized in that the pressing surface (4A, 4B) has a raised pattern to create in the area of the side of the utensil outside the decoration (2) one or more recesses or projections.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9401708 | 1994-02-15 | ||
| FR9401708A FR2716143B1 (en) | 1994-02-15 | 1994-02-15 | Method for forming a decoration on a cooking utensil. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2142522A1 true CA2142522A1 (en) | 1995-08-16 |
Family
ID=9460097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002142522A Abandoned CA2142522A1 (en) | 1994-02-15 | 1995-02-14 | Method of applying a decoration to a culinary utensil |
Country Status (16)
| Country | Link |
|---|---|
| EP (1) | EP0672497B1 (en) |
| JP (1) | JP3696279B2 (en) |
| CN (1) | CN1090926C (en) |
| AT (1) | ATE166274T1 (en) |
| AU (1) | AU1227195A (en) |
| BR (1) | BR9500636A (en) |
| CA (1) | CA2142522A1 (en) |
| DE (2) | DE69502523T2 (en) |
| EG (1) | EG21145A (en) |
| ES (1) | ES2078207T1 (en) |
| FR (1) | FR2716143B1 (en) |
| MA (1) | MA23450A1 (en) |
| RU (1) | RU2112605C1 (en) |
| SA (1) | SA97170573A (en) |
| TN (1) | TNSN95011A1 (en) |
| TR (1) | TR28797A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2333063B (en) * | 1998-01-09 | 2001-09-26 | Meyer Manuf Co Ltd | Method for applying silkscreen pattern to cookware |
| FR2789334B1 (en) * | 1999-02-10 | 2001-03-23 | Jfce | PROCESS FOR THE SURFACE TREATMENT OF ANODIZED ALUMINUM PARTS AND PARTS OBTAINED BY THE IMPLEMENTATION OF THIS PROCESS |
| EP1103312A3 (en) * | 1999-11-25 | 2002-08-07 | Vesta GmbH | Process for coating of surfaces |
| FR2954074B1 (en) | 2009-12-23 | 2011-12-16 | Seb Sa | CULINARY ARTICLE COMPRISING AN EXTERNAL ANTI-ADHESIVE COATING, COMPRISING A DECORATION AT THE EXTERNAL BOTTOM LEVEL |
| CN107443991A (en) * | 2016-05-30 | 2017-12-08 | 比亚迪股份有限公司 | A kind of metallic article with decoration pattern and preparation method thereof |
| FR3111784B1 (en) * | 2020-06-25 | 2022-07-22 | Seb Sa | CULINARY ARTICLE WITH AN ANTI-SLIP OUTER COATING |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1184561A (en) * | 1966-03-25 | 1970-03-18 | K & F Treat S Ltd | Improvements in or relating to Abrasion Resistant Surfaces. |
| FR2576253B1 (en) * | 1985-01-23 | 1988-07-29 | Seb Sa | PROCESS FOR MAKING A DECORATION ON A POLYTETRAFLUORETHYLENE COATING AND CULINARY UTENSIL THEREOF |
| IT209577Z2 (en) * | 1986-02-21 | 1988-10-10 | Ballarini Paolo & Figli Spa | STRUCTURE OF ALUMINUM POT WITH TREATED BOTTOM. |
| FR2599302B1 (en) * | 1986-05-28 | 1990-02-02 | Seb Sa | CONTAINER IN PARTICULAR FOR CULINARY USE OBTAINED BY STAMPING A METAL DISC HAVING A DECOR |
| FR2643806B1 (en) * | 1989-03-01 | 1994-07-08 | Seb Sa | BOTTLE COOKING CONTAINER COATED WITH SILICONE RESIN |
-
1994
- 1994-02-15 FR FR9401708A patent/FR2716143B1/en not_active Expired - Fee Related
-
1995
- 1995-02-10 DE DE69502523T patent/DE69502523T2/en not_active Expired - Lifetime
- 1995-02-10 DE DE0672497T patent/DE672497T1/en active Pending
- 1995-02-10 AT AT95400284T patent/ATE166274T1/en active
- 1995-02-10 ES ES95400284T patent/ES2078207T1/en active Pending
- 1995-02-10 EP EP95400284A patent/EP0672497B1/en not_active Expired - Lifetime
- 1995-02-13 MA MA23778A patent/MA23450A1/en unknown
- 1995-02-14 CA CA002142522A patent/CA2142522A1/en not_active Abandoned
- 1995-02-14 EG EG12895A patent/EG21145A/en active
- 1995-02-14 BR BR9500636A patent/BR9500636A/en not_active IP Right Cessation
- 1995-02-14 CN CN95102923.1A patent/CN1090926C/en not_active Expired - Fee Related
- 1995-02-15 JP JP02663795A patent/JP3696279B2/en not_active Expired - Fee Related
- 1995-02-15 TN TNTNSN95011A patent/TNSN95011A1/en unknown
- 1995-02-15 RU RU95102139A patent/RU2112605C1/en not_active IP Right Cessation
- 1995-02-15 AU AU12271/95A patent/AU1227195A/en not_active Abandoned
- 1995-02-15 TR TR00134/95A patent/TR28797A/en unknown
-
1997
- 1997-01-20 SA SA97170573A patent/SA97170573A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE672497T1 (en) | 1996-09-12 |
| FR2716143A1 (en) | 1995-08-18 |
| RU2112605C1 (en) | 1998-06-10 |
| ES2078207T1 (en) | 1995-12-16 |
| CN1112882A (en) | 1995-12-06 |
| JP3696279B2 (en) | 2005-09-14 |
| EP0672497B1 (en) | 1998-05-20 |
| DE69502523D1 (en) | 1998-06-25 |
| SA97170573A (en) | 2005-12-03 |
| JPH07313934A (en) | 1995-12-05 |
| MA23450A1 (en) | 1995-10-01 |
| TNSN95011A1 (en) | 1996-02-06 |
| TR28797A (en) | 1997-03-27 |
| EP0672497A1 (en) | 1995-09-20 |
| BR9500636A (en) | 1995-10-17 |
| RU95102139A (en) | 1997-01-27 |
| EG21145A (en) | 2000-11-29 |
| AU1227195A (en) | 1995-08-24 |
| DE69502523T2 (en) | 1999-01-07 |
| CN1090926C (en) | 2002-09-18 |
| FR2716143B1 (en) | 1996-04-26 |
| ATE166274T1 (en) | 1998-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |