Abstract

The invention relates to a nickel-based alloy powder, that comprises in weight percentages, 14.00 to 15.25% of chromium, 14.25 to 15.75% of cobalt, 4.00 to 4.60% of aluminium, 0 to 0.50% of iron, 0 to 0.15% of manganese, 3.00 to 3.70% of titanium, 3.90 to 4.50% of molybdenum, 0 to 0.015% of sulphur, 0 to 0.06% of zirconium, 0.012 to 0.020% of boron, 0 to 0.20% of silicon, 0 to 0.10% of copper, 0 to 150 ppm of carbon, 0 to 0.5 ppm of bismuth, 0 to 5 ppm of lead, 0 to 1000 ppm of platinum, 0 to 1000 ppm of palladium, 0 to 50 ppm of hydrogen, 0 to 5 ppm of silver, 0 to 120 ppm of nitrogen, 0 to 1000 ppm of rhenium, 0 to 410 ppm of oxygen and 0 to 500 ppm of inevitable impurities, the rest being made up of nickel, and has a particle size D10 between 3 and 10 μm, a particle size D90 between 20 and 40 μm and a particle size D50 between 10 and 20 μm, the values of the particle sizes D10, D50 and D90 having been measured by laser diffraction according to standard ISO 13322-2. The invention also relates to a method for manufacturing a part using said powder and a resulting part.

IPC Classes  ?

• B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• B22F 3/24 - After-treatment of workpieces or articles

Abstract

The invention relates to a titanium-based alloy powder which comprises, in percentages by weight, 32.0 to 33.5% aluminium, 4.50 to 5.10% niobium, 2.40 to 2.70% chromium, 0 to 0.1% iron, 0 to 0.025% silicon, 0 to 100 ppm carbon, 0 to 100 ppm nitrogen, 0 to 1000 ppm dioxygen, 0 to 50 ppm dihydrogen and 0 to 500 ppm unavoidable impurities, the balance being titanium, and which has a D10 particle size of between 3 and 10 μm, a D90 particle size of between 20 and 40 μm and a D50 particle size of between 10 and 25 μm, the D10, D50 and D90 particle size values having been measured by laser diffraction in accordance with standard ISO 13322-2. The invention also relates to a method for manufacturing a part using this powder and to a part thus obtained.

IPC Classes  ?

• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• B22F 1/107 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
• B22F 3/15 - Hot isostatic pressing
• B22F 3/24 - After-treatment of workpieces or articles

Abstract

The present invention relates to a part (50) obtained by injection moulding, in particular from a mixture comprising a binder and a powder, having a plurality of protuberances (40) projecting from a main face (241) of the part (50), the plurality of protuberances (40) comprising at least one first rib (41) and at least one second rib (42) intersecting at an intersection (400) comprising a midpoint (44) of the part (50).

IPC Classes  ?

• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• B22F 3/24 - After-treatment of workpieces or articles
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
• F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
• B22F 3/10 - Sintering only
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
• B23K 35/02 - Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
• B28B 1/24 - Producing shaped articles from the material by injection moulding
• F01D 5/22 - Blade-to-blade connections, e.g. by shrouding

Abstract

The invention relates to a process for manufacturing a turbomachine blade, wherein: —a part (4) is manufactured comprising a foot (4), a heel (6) and an air stream zone (10) extending between the foot and the heel, the air stream zone comprising at least one protuberance (20, 24, 26) projecting from a main face (12) of the zone, the manufacturing being performed by injecting a mixture comprising a binder and a powder, the powder comprising at least a metal or a ceramic: —debinding is performed on the part so as to eliminate a greater quantity of the binder from the part: —heat treatment is performed on the part; and—the or each protuberance is eliminated from the air stream zone.

IPC Classes  ?

• F01D 5/14 - Form or construction

Abstract

The invention relates to a nickel-based alloy powder, that comprises in weight percentages, 14.00 to 15.25% of chromium, 14.25 to 15.75% of cobalt, 4.00 to 4.60% of aluminium, 0 to 0.50% of iron, 0 to 0.15% of manganese, 3.00 to 3.70% of titanium, 3.90 to 4.50% of molybdenum, 0 to 0.015% of sulphur, 0 to 0.06% of zirconium, 0.012 to 0.020% of boron, 0 to 0.20% of silicon, 0 to 0.10% of copper, 0 to 150 ppm of carbon, 0 to 0.5 ppm of bismuth, 0 to 5 ppm of lead, 0 to 1000 ppm of platinum, 0 to 1000 ppm of palladium, 0 to 50 ppm of hydrogen, 0 to 5 ppm of silver, 0 to 120 ppm of nitrogen, 0 to 1000 ppm of rhenium, 0 to 410 ppm of oxygen and 0 to 500 ppm of inevitable impurities, the rest being made up of nickel, and has a particle size D10 between 3 and 10 μm, a particle size D90 between 20 and 40 μm and a particle size D50 between 10 and 20 μm, the values of the particle sizes D10, D50 and D90 having been measured by laser diffraction according to standard ISO 13322-2. The invention also relates to a method for manufacturing a part using said powder and a resulting part.

IPC Classes  ?

• C22C 1/04 - Making non-ferrous alloys by powder metallurgy
• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• B22F 3/24 - After-treatment of workpieces or articles
• B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
• C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
• C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
• C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
• F01D 5/26 - Antivibration means not restricted to blade form or construction or to blade-to-blade connections
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
• F01D 25/00 - Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
• B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
• B22F 1/148 - Agglomerating
• B22F 3/15 - Hot isostatic pressing
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product

Abstract

The invention relates to a titanium-based alloy powder which comprises, in percentages by weight, 32.0 to 33.5% aluminium, 4.50 to 5.10% niobium, 2.40 to 2.70% chromium, 0 to 0.1% iron, 0 to 0.025% silicon, 0 to 100 ppm carbon, 0 to 100 ppm nitrogen, 0 to 1000 ppm dioxygen, 0 to 50 ppm dihydrogen and 0 to 500 ppm unavoidable impurities, the balance being titanium, and which has a D10 particle size of between 3 and 10 μm, a D90 particle size of between 20 and 40 μm and a D50 particle size of between 10 and 25 μm, the D10, D50 and D90 particle size values having been measured by laser diffraction in accordance with standard ISO 13322-2. The invention also relates to a method for manufacturing a part using this powder and to a part thus obtained.

IPC Classes  ?

• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• C22C 1/04 - Making non-ferrous alloys by powder metallurgy
• C22C 14/00 - Alloys based on titanium
• C22F 1/00 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
• C22F 1/18 - High-melting or refractory metals or alloys based thereon
• B22F 3/24 - After-treatment of workpieces or articles
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
• F01D 5/28 - Selecting particular materialsMeasures against erosion or corrosion
• B22F 3/15 - Hot isostatic pressing
• B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
• B22F 1/148 - Agglomerating

Abstract

The invention relates to a process for manufacturing a turbomachine blade, wherein: - a part (4) is manufactured comprising a foot (4), a heel (6) and an air stream zone (10) extending between the foot and the heel, the air stream zone comprising at least one protuberance (20, 24, 26) projecting from a main face (12) of the zone, the manufacturing being performed by injecting a mixture comprising a binder and a powder, the powder comprising at least a metal or a ceramic; - debinding is performed on the part so as to eliminate a greater quantity of the binder from the part; - heat treatment is performed on the part; and - the or each protuberance is eliminated from the air stream zone.

IPC Classes  ?

• B22F 3/10 - Sintering only
• B22F 3/22 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor for producing castings from a slip
• B22F 3/24 - After-treatment of workpieces or articles
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
• C04B 35/638 - Removal thereof
• F01D 5/14 - Form or construction
• B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
• B28B 1/24 - Producing shaped articles from the material by injection moulding

Abstract

A method for heat treating a powder part preform including a titanium-based alloy, wherein the method includes the heat treatment of the preform in a furnace at a predetermined temperature, wherein the preform is on a holder during the heat treatment, wherein the holder includes a zirconium-based alloy having a zirconium content greater than or equal to 95% by weight, wherein the holder material has a melting temperature higher than the predefined temperature of the heat treatment, and wherein an anti-diffusion barrier is arranged between the preform and the holder in order to prevent welding of the preform to the holder.

IPC Classes  ?

• B22F 3/10 - Sintering only
• C22C 14/00 - Alloys based on titanium
• C22C 16/00 - Alloys based on zirconium
• F27D 3/12 - Travelling or movable supports or containers for the charge
• F27D 5/00 - Supports, screens or the like for the charge within the furnace
• B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
• B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades

Goods & Services

Computer software in the field of accountancy, business administration and/or business management; Computer software for online accounting applications; Computer software for online applications relating to customer relationship management, payroll processing, online commerce, online marketing, time management and inventory management; Interfaces for computers; Computer software, recorded; Computer software for the matching of experts and consultants, for the following purposes: assistance with the management of affairs and Business management assistance; Communication software for matching network users and in particular experts and consultants; Computer software and software development tools for use in the field of e-commerce; Computer software for database management; Downloadable applications for use with mobile devices; mobile applications; Mobile applications for matching experts and consultants, for the following purposes: assistance with the management of affairs and Business management assistance; Computer programs, recorded and downloadable; Computer software packages and computer memory devices, in particular for electronic communications networks; Computer programs for user interface design; Computer operating programs, recorded; Computer programs, recorded; Computer programs, downloadable; Computer interfaces for matching experts and consultants, for the following purposes: assistance with the management of affairs and Business management assistance; Databases; Electronic publications, downloadable; downloadable books, Downloadable forms and Downloadable document templates; Electronic data or publications provided online via databases, telecommunication networks or internet installations (including websites); Intercommunication apparatus; Data processing apparatus; Stick computers; Mice; Mouse pads. Commercial information and advice for consumers [consumer advice shop]; Networking between businesses or entrepreneurs and consultants for business management assistance; Commercial or industrial management assistance; Business management assistance; Company management assistance; Matching of experts and consultants, for the following purposes: Management assistance in business affairs and Business management assistance; Arranging of business contacts; Provision of on-line business and commercial information, Relating to expert and consultant missions; Public relations services; Business management and organization consultancy; Advisory services for business management; Counselling on business matters; Business organisation advice; Corporate advisory services, Opinions, Business information and investigations, Business research and investigations, Market studies and market research; Business management consultancy and advisory services; Business efficiency advice; Consultancy services regarding business strategies; business management consultation services; Market research consultancy; Corporate management consultancy; Business organisation consultancy; Assistance and advice regarding business organization; Consultancy regarding business organisation and business economics; Professional business consultation relating to the setting up of businesses; Professional business consultation relating to the operation of businesses; Consultancy for businesses in relation to financial restructuring; Professional consultancy relating to business management; Business advisory services relating to company performance; Business management consultancy via the Internet; Acquisitions (Advice relating to -); Taxation [accountancy] consultation; Business advice relating to accounting; Book-keeping; Document reproduction; Employment agency services; Computerized file management; Collection and organisation of data in a master file, computerised file management, Business information research within computer files for others; Advertising; Business management; Business administration; Office functions; Direct mail advertising; Online advertising on a computer network; Rental of advertising time on communication media; Publication of publicity texts; Rental of advertising space; Dissemination of advertising matter; Organization of exhibitions for commercial or advertising purposes; Arranging subscriptions to telecommunication services for others; Consultancy relating to auditing. Teaching; Training; Entertainment services; Occupationally orientated instruction; Professional training for business creation, management, productivity and direction; Coaching (providing of training) for business creation, management, productivity and direction; Team building (education); Correspondence courses; Organisation of training relating to business creation, management, productivity and direction; Employment training; Business training services; Organising of commercial training; Provision of training services for business; Courses (Training -) relating to management; Coaching relating to finance; Conducting instructional courses; Consultancy services relating to training; Providing of training relating to business creation, management, productivity and direction; Business training services; Practical training [demonstration]; Interviews for defining professional training paths, Namely: Vocational guidance [education or training advice], Consultancy services relating to training; Conducting of educational courses relating to business management; Transfer (providing) of know-how; Videotape production; Rental of motion pictures; Rental of sound recordings; Rental of video tape recorders/players or radio and television sets; Videotape editing; Organization of competitions [education or entertainment]; Arranging and conducting of conferences, congresses and symposiums; Arranging of exhibitions for cultural or educational purposes; Online publication of electronic books and journals; Electronic publishing services; Publishing of documents; Publication of books; Lending library services; Services provided to a franchiser, namely providing of basic training for the franchiser, staff thereof, or franchisees thereof or staff of franchisees, in particular education, providing of training. Design, installation, updating, maintenance and rental of computer software, computer software packages and databases; Computer system design; Providing temporary use of computer software and Providing of temporary assistance, in relation to the following fields: Accounting and Taxation, Via the internet; Technical consultancy, Professional consultations and Technical appraisals, (non-business), for the following purposes: Development, The installation, Implementation, Updating and maintenance, in relation to the following fields: Book-keeping software, Software for management or Data transmission services, Software packages, Computer sites; Technical consultancy, Professional consultations and Technical appraisals, (non-business), in relation to the following fields: Computer hardware consultancy, electronic communication networks and Telecommunications; Programming of computers and computer networks; Creation of virtual and interactive images; Technical research, in particular in the fields of data processing, electronic communications and, more generally, telecommunications; Creation, maintenance and updating of Internet sites for others; Hosting of computer sites for others; Software as a service [SaaS]; Computer system analysis; Creating and maintaining websites for others; Conversion of computer programs and data, other than physical conversion; Duplication of computer programs; Computer virus protection services; Providing search engines for the internet; Recovery of computer data; Rental of computer software; Monitoring of computer systems by remote access; Administration of user rights in computer networks; Computer analysis; Compilation of computer programs; Digital compression of computer data; Design of cd-rom electronic format for computer databases; Database design and development; Design and maintenance of computer sites for third parties; Providing temporary use of non-downloadable computer programs; Providing computer facilities for the electronic storage of digital data; Computer project management services; Cloud computing; Implementation of computer programs in networks; Providing temporary use of on-line non-downloadable operating software for accessing and using a cloud computing network; Updating Internet pages; Platform as a service [PaaS]. Franchising services namely licence granting; Registration of domain names [legal services]; Legal services, In the field of franchising; Legal advice; Legal services; Legal research; Legal mediation services; Litigation consultancy; Legal assistance in the drawing up of contracts; Compilation of legal information; Preparation of legal reports; Legal information research services; Information services relating to legal matters; Legal document preparation services; Legal services relating to business; Networking clubs for business, entrepreneurs and consultants; Legal advocacy services; Online social networking services; Online social networking services accessible by means of downloadable mobile applications; Online social networking between experts, consultants and businesses.

Abstract

A method for heat treating a powder part preform including a titanium alloy, includes heat treating the preform in a furnace at a predefined temperature, wherein the preform is on a holder during the heat treatment. The holder includes a titanium alloy having a mass titanium content no lower than 45%, or a zirconium alloy having a mass zirconium content no lower than 95%, wherein the material making up the holder has a melting temperature higher than the predefined heat treatment temperature, and an antidiffusion barrier is arranged between the preform and the holder to prevent the preform from becoming welded to the holder.

IPC Classes  ?

• B22F 3/10 - Sintering only
• C22C 14/00 - Alloys based on titanium
• F27D 5/00 - Supports, screens or the like for the charge within the furnace
• B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
• C22C 16/00 - Alloys based on zirconium
• F27D 3/12 - Travelling or movable supports or containers for the charge
• B22F 7/02 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite layers
• B22F 5/04 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades

Goods & Services

Computer software in the field of accountancy, business administration and/or business management; Computer software for online accounting applications; Computer software for online applications relating to customer relationship management, payroll processing, online commerce, online marketing, time management and inventory management; Interfaces (for computers), Computer software (recorded programs), Downloadable and recorded computer software, Computer software packages and computer memory devices, in particular for electronic communications networks; Electronic publications, downloadable; Intercommunication apparatus, Apparatus for data processing. Price comparison services; Consumers (Commercial information and advice for -) [consumer advice shop]; The bringing together of business and professional contacts for the preparation of quotes; The bringing together of professionals for the preparation of quotes; The bringing together of businesses or entrepreneurs and consultants for the preparation of quotes; Public relations services; Business management and organization consultancy; Professional business consultancy, evaluation, Business information and enquiries, Business research and investigations, Market studies and market research; Taxation [accountancy] consultation; Business advice relating to accounting; Accounting; Document reproduction; Employment agencies; Computerised file management; Collection and systematic ordering of data in a central file, Computerised file management, Data search in computer files, for others; Advertising; Business management; Business administration; Office functions; Direct mail advertising; On-line advertising on a computer network; Rental of advertising time on communication media; Publication of advertising texts; Rental of advertising space; Dissemination of advertising matter; Exhibitions for commercial or advertising purposes; Arranging subscriptions to telecommunication services for others. Financial management; Financial analysis; Financial consulting; Evaluation (Financial -) [insurance, banking, real estate]; financial payment and transaction services; Financial services provided via the Internet; Electronic payment services; Payment and receipt of money as agents; Processing of payments made using cards or credit cards. Education; Providing of training; Entertainment; Occupationally orientated instruction; Professional training for business creation, management, productivity and direction; Coaching (providing of training) for business creation, management, productivity and direction; Correspondence courses; Organisation of training relating to business creation, management, productivity and direction; Vocational training services; Business training services; Organising of commercial training; Provision of training services for business; Courses (Training -) relating to management; Coaching relating to finance; Conducting instructional courses; Consultancy services relating to training; Providing of training relating to business creation, management, productivity and direction; Business training services; Practical training demonstrations; Interviews for defining professional training paths, namely, Vocational guidance [education or training advice], Consultancy services relating to training; Conducting of educational courses relating to business management; Videotape production; Rental of motion pictures; Rental of sound recordings; Rental of video tape recorders/players or radio and television sets; Videotape editing; Organisation of competition (education or entertainment); Arranging and conducting of conferences, congresses and symposiums; Arranging of exhibitions for cultural or educational purposes; Publication of electronic books and journals on-line; Electronic desktop publishing; Publishing of documents; Publication of books; Library services; Services provided to a franchiser, namely providing of basic training for the franchiser, staff thereof, or franchisees thereof or staff of franchisees, in particular education, providing of training.

Goods & Services

Computer programs for user interface design; Computer operating programs, recorded; Recorded computer programs; Computer programs [downloadable software]; Recorded computer software; Computer e-commerce software toconduct electronic business transactions in on-line marketplaces via a global computer network; Computer database software featuring information in the field of software; Computer software and software development tools for use in the field of e-commerce; Computer software enabling access to training; Computer databases; Computer software for database management; Computer software; Computer software enabling the bringing together of companies or entrepreneurs and consultants for the creation, management, productivity and direction of companies; Downloadable applications for use with mobile devices; Mobile applications; Mobile applications enabling the bringing together of companies or entrepreneurs and consultants for the creation, management, productivity and direction of companies; Electronic publications, downloadable; Electronic data or publications provided online via databases, telecommunication networks or internet installations (including websites); Books, forms, document models and electronic publications, downloadable or not; USB flash drives. Price comparison services; Consumers (Commercial information and advice for -) [consumer advice shop]; The bringing together of business and professional contacts for the preparation of quotes; The bringing together of professionals for the preparation of quotes; The bringing together of businesses or entrepreneurs and consultants for the preparation of quotes; Public relations services; Business management and organization consultancy; Professional business consultancy, evaluation, Business information and enquiries, Business research and investigations, Market studies and market research; Taxation [accountancy] consultation; Business advice relating to accounting; Accounting; Document reproduction; Employment agencies; Computerised file management; Collection and systematic ordering of data in a central file, Computerised file management, Data search in computer files, for others; Advertising; Business management; Business administration; Office functions; Direct mail advertising; On-line advertising on a computer network; Rental of advertising time on communication media; Publication of advertising texts; Rental of advertising space; Dissemination of advertising matter; Exhibitions for commercial or advertising purposes; Arranging subscriptions to telecommunication services for others. Design, installation, updating, maintenance and rental of computer software, computer software packages and databases; Computer system design; Providing support software in the field of accounting and tax via the internet; Technical advice, professional consultancy and technical expertise (not relating to the conduct of business) for the design, installation, setting up, updating and maintenance of computer software, computer software packages, computer sites and, more generally, technical advice, professional consultancy and technical expertise (not relating to the conduct of business) in the fields of information technology, electronic communications networks and telecommunications; Programming of computers and computer networks; Creation of virtual and interactive images; Technical research, in particular in the fields of data processing, electronic communications and, more generally, telecommunications; Creation, maintenance and updating of Internet sites for others; Hosting of computer sites for others; Software as a service (SaaS); Computer system analysis; Creating and maintaining websites for others; Conversion of computer programs and data, other than physical conversion; Duplicating computer programs; Computer virus protection services; Provision of search engines for the Internet; Recovery of computer data; Rental of software; Monitoring of computer systems by remote access.

Abstract

The invention relates to a method for heat treating a powdered part preform (3) including a titanium alloy, the method including heat treating the preform in a furnace (1) at a predetermined temperature, the preform being on a holder (6) during the heat treatment. The holder (6) includes a titanium alloy having a mass titanium content no lower than 45%, or a zirconium alloy having a mass zirconium content no lower than 95%, the material making up the holder having a melting temperature greater than the predetermined heat treatment temperature. The invention is characterized in that an antidiffusion barrier (7) is arranged between the preform (3) and the holder (6) to prevent the preform from being welded to the holder.

IPC Classes  ?

• F27D 3/12 - Travelling or movable supports or containers for the charge
• F27D 5/00 - Supports, screens or the like for the charge within the furnace
• B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor

Goods & Services

Logiciels, supports d'enregistrement magnétiques ou numériques. Gestion des affaires commerciales; administration commerciale; aide à la direction des affaires; aide à la direction d'entreprises artisanales, industrielles ou commerciales; conseil en organisation et direction des affaires; comptabilité, gestion des entreprises; démonstration de produits; service de conseil pour la direction des affaires; gestion de fichiers informatiques; location de machines et d'appareils de bureaux; analyse du prix de revient. Elaboration (conception) de logiciels; mise à jour de logiciels; location de matériels informatiques à savoir ordinateurs, micro-ordinateurs et logiciels; location d'ordinateurs; études de projets techniques; programmation pour ordinateurs; conversion de données et de programmes informatiques (autre que conversion physique); création et entretien de site Web pour des tiers; hébergement de sites informatiques (sites Web); services juridiques; services rendus par un franchiseur à savoir transfert (mise à disposition) de savoir-faire technique et concession de licence.