The present inventing relates to a method for marking at least one inner face of a container with at least one given pattern, in which method the inside of said inner face is at least partially coated with a pigmented sol-gel layer that reacts to laser radiation, by spraying or by means of a stamp applied to a precise zone of the layer provided for containing the pattern, and the pattern is developed by interaction between the sol-gel and UV laser radiation specifically programmed according to the pattern to be revealed, the UV laser radiation being emitted by a device comprising an optical system having a long optical length that allows a field depth of more than 1 mm to be obtained. The present invention also relates to a device suitable for implementing this method and to a container obtained by this method.
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
C23C 18/06 - Coating on selected surface areas, e.g. using masks
B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
B05D 7/22 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
B05D 5/06 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
B23K 26/0622 - Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
B23K 26/352 - Working by laser beam, e.g. welding, cutting or boring for surface treatment
The invention relates to a method for producing a neutral barrier layer for coating the inner surface of a receptacle for holding products that are biocompatible for humans and/or animals, and to the receptacle obtained by said method. According to the invention, a solution is formed that contains at least one solvent, water, at least one complexing molecular alkoxysilane precursor, at least one surfactant, at least one pigment and/or coloring agent, and a catalytic acid, the complexed solution, which is undergoing hydrolysis and condensation, is homogeneously applied to at least one portion of the inner surface of the receptacle, the applied solution is dried at a specific drying temperature such that a layer is formed which is opaque, translucid and/or forms a particular pattern, and the receptacle is conveyed away, stored and filled with the product.
C23C 18/06 - Coating on selected surface areas, e.g. using masks
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
C03C 17/25 - Oxides by deposition from the liquid phase
3.
METHOD FOR THE PRODUCTION OF A LAYER FOR COATING THE PLASTIC INNER SURFACE OF A RECEPTACLE, AND RECEPTACLE OBTAINED BY A METHOD OF SAID TYPE
The invention relates to a method for producing a barrier layer (13, 9) for coating the inner surface (12, 17) of a receptacle (10, 6) which is made at least in part of plastic and is used for holding products that are biocompatible for humans and/or animals; in said method, a solution is formed that contains at least one solvent, water, at least one organo-functional molecular precursor, and an acid as a catalyst, the complexed solution, which is undergoing hydrolysis and condensation, is applied to at least one portion of the inner surface of the receptacle, the applied solution is dried at a specific drying temperature below 100°C, and the receptacle is conveyed away and stored before being baked. The acid used is citric acid.
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
The invention relates to a method for producing a hybrid organo-mineral layer (12) for coating the inner surface (13) of a receptacle as well as to said receptacle for holding products that are biocompatible for humans and/or animals. According to the invention, a solution is formed that contains at least one solvent, water, at least one complexing molecular alkoxysilane precursor, at least one organo-functional molecular precursor and/or silicone, and a catalytic acid, the complexed solution, which is undergoing hydrolysis and condensation, is applied to at least one portion of the inner surface of the receptacle, the applied solution is dried at a specific temperature, and the receptacle is conveyed away and stored.
B05D 7/22 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
C09D 183/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/25 - Oxides by deposition from the liquid phase
C09D 183/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
C09D 183/14 - Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon onlyCoating compositions based on derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
B65D 81/24 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
5.
METHOD AND DEVICE FOR MARKING AT LEAST ONE INNER FACE OF A CONTAINER, AND CORRESPONDING CONTAINER
The present inventing relates to a method for marking at least one inner face of a container with at least one given pattern, in which method the inside of said inner face is at least partially coated with a pigmented sol-gel layer that reacts to laser radiation, by spraying or by means of a stamp applied to a precise zone of the layer provided for containing the pattern, and the pattern is developped by interaction between the sol-gel and UV laser radiation specifically programmed according to the pattern to be revealed, the UV laser radiation being emitted by a device comprising an optical system having a long optical length that allows a field depth of more than 1 mm to be obtained. The present invention also relates to a device suitable for implementing this method and to a container obtained by this method.
C23C 18/06 - Coating on selected surface areas, e.g. using masks
C03C 17/04 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass by fritting glass powder
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
B05D 5/06 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
B23K 26/08 - Devices involving relative movement between laser beam and workpiece
B44C 1/22 - Removing surface-material, e.g. by engraving, by etching
6.
METHOD AND DEVICE FOR COATING THE INNER SURFACE OF A CONTAINER AND CONTAINER OBTAINED WITH SUCH A METHOD
The present invention relates to: a method for coating at least one portion of the inner surface of a container with a curable liquid material, said container being suitable for containing products which are biocompatible with humans and/or animals; a device for implementing said method; and a container obtained by said method. According to the method, the container is positioned on a holder and secured thereto; a tool for applying the coating is inserted into the container and the coating liquid is applied using the tool on at least one portion of the inner surface of the container. To achieve this, the container is tilted at a first angle α determined in relation to the vertical, said container is rotated relative to the tool at a first predetermined speed V, while heating said container to a predetermined temperature, and the liquid coating material is uniformly applied to the inner surface of the container such as to obtain a uniform, substantially identical thickness, based on the viscosity parameters η of the liquid at the predetermined temperature, the roughness R of the portion of the container surface, the tilt angle α, the rotation speed V, and the flow rate D for supplying the liquid material.
B05D 7/22 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
B05D 1/00 - Processes for applying liquids or other fluent materials
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
B05D 3/04 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
7.
METHOD FOR PRODUCING A COATING LAYER COATED ONTO THE INNER SURFACE OF A CONTAINER AND A CONTAINER OBTAINED WITH SUCH A METHOD
The present invention relates to a method for producing a layer for coating the inner surface of a container and a glass or plastic container obtained by said method, wherein said container is suitable for containing products biocompatible with humans and/or animals. The method includes: forming a solution containing a solvent, water, a molecular precursor comprising alkoxy groups and an acid as a catalyst, - mixing said solution to initiate hydrolysis and condensation, - applying the resulting solution onto at least one portion of the inner surface of the container, while the solution is in the process of gelling, - the resulting applied solution is then dried at a temperature for a predetermined time, before curing. The acid is citric acid, and the invention is characterized in that said citric acid is at a concentration of less than 6 mol/l, and in that the solution comprises less than 1.5 units of precursor for each volume unit of acid.
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C03C 17/02 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with glass
C03C 17/25 - Oxides by deposition from the liquid phase
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
The present invention relates to a method, a device for implementing the method, and a flask obtained by said method for passivating the inner wall of a glass container capable of containing a pharmaceutical grade material. To treat or inhibit the inner surface of the container, said inner surface of the container is treated via ion exchange between the container and an aqueous extraction liquid such that the measured hydrolytic resistance of said surface is divided by at least two.
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