01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Materials for the use in additive manufacture, namely, powders of polymer compositions and ceramic powders used in the manufacture of commercial and industrial goods via 3D printing Materials for the use in additive manufacturing, namely, metals in powder form for 3D printing Treatment of materials that are firmly bondable, in the nature of metals, ceramics, glass, organic materials, and plastics, by means of grinding, sieving, sifting, coating of powder particles, heating, melting, mixing, adding additives, compounding, rounding, polishing of powders, atomising, surface smoothing of powder particles, steam treatment, to produce granules or powder for use in additive manufacturing and 3D printing
The present invention concerns nickel alloys in powder form comprising at least 40 wt.-% Ni, about 20.0 to 25.0 wt.-% Cr, about 5.0 to 25.0 wt.-% Co and about 1.5 to 5.0 wt-% Ti, which have a content of B in an amount of less than 40 ppmw. Corresponding alloys have the advantage of providing minimal or no micro-cracks as well as an improved ductility in creep conditions compared to similar alloys having a higher content of B, when the alloys are processed by additive manufacturing to prepare three-dimensional objects. The present invention further concerns processes and devices for the preparation of three- dimensional objects from such nickel alloy powders, processes for the preparation of corresponding nickel alloy powders, three-dimensional objects which are prepared from such nickel alloy powders and the use of such nickel alloy powders to minimize and/or suppress micro-crack formation and/or to provide improved creep ductility.
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22C 1/04 - Making non-ferrous alloys by powder metallurgy
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
3.
METHOD FOR MODERATING A REACTION OF METAL PARTICLES
The invention relates to a method for moderating a reaction of metal particles, in particular metal condensates, preferably from an additive manufacturing method, in particular a laser sintering or laser melting process, wherein the metal particles are combined, in particular mixed, with an at least partially meltable inerting material, wherein the inerting material comprises particles with a particle size of less than or equal to 100 µm.
The invention concerns powder mixtures for use in the manufacture of three dimensional objects by means of additive manufacturing, wherein the powder mixture comprises a first material and a second material. In the respective powder mixtures, the first material comprises an aluminium alloy or a mixture of elemental precursors thereof, and is in powder form and the second material comprises a metal powder of Zr and/or Hf. By means of the addition of the second material, it is possible to prepare three dimensional objects with high ultimate tensile strength and yield strength by additive manufacturing. The invention further concerns processes for the preparation of corresponding powder mixtures and three dimensional objects, three dimensional objects prepared accordingly and devices for implementing processes for the preparation of such objects, as well as a use of a corresponding powder mixture to improve one or more of the ultimate tensile strength and the yield strength of an aluminium alloy based three-dimensional object.
The present invention concerns powder mixtures for use in the manufacture of a three-dimensional object by means of an additive manufacturing method, wherein the powder mixture comprises a first powder of steel alloy comprising 4.75 to 5.5 wt.-% Cr, 1.0 to 1.75 wt.-% of Mo and 0.32 to 0.45 wt.-% of C and a second powder of a reinforcement material comprising particles having a particle diameter of less than 30 μm, wherein the mixture comprises about 0.1 to about 5.0 wt.-% of the second powder. In such powder mixtures, the reinforcement constituent provides for a significant reduction of cracking in a test body prepared therefrom, when compared to a test body prepared from the same steel alloy powder without the reinforcement additive. The present invention further concerns processes and devices for the preparation of three-dimensional objects from such powder mixtures, processes for the preparation of corresponding powder mixtures, three-dimensional objects which are prepared from such powder mixtures and the use of such powder mixtures to minimize and/or suppress crack formation.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
C22C 33/02 - Making ferrous alloys by powder metallurgy
6.
METAL ALLOYS WITH IMPROVED PROCESSABILITY FOR DIRECT METAL LASER SINTERING
The present application concerns powder mixtures for use in the manufacture of three dimensional objects by means of additive manufacturing, wherein the powder mixture comprises a first material and a second material. In the respective powder mixtures, the first material comprises a metal alloy or a mixture of elemental precursors thereof, and is in powder form and the second material comprises a reinforcement material comprising powder particles having a particle diameter of from 1 to less than 30 μm (as determined by laser scattering or laser diffraction). The inventive powder mixtures allows for the processing to three dimensions objects which are free of cracking and which thus have favourable mechanical characteristics. The invention further concerns processes for the preparation of corresponding powder mixtures and three dimensional objects, three dimensional objects prepared accordingly and devices for implementing processes for the preparation of such objects, as well as the use of a corresponding powder mixture to supress crack formation in a three- dimensional object, which is prepared by additive manufacturing.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B22F 7/00 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
C22C 33/02 - Making ferrous alloys by powder metallurgy
The invention relates to a method for providing a particle material from an at least substantially metallic and/or ceramic feedstock, comprising the following steps: a) creating the particle material from the feedstock by evaporating the feedstock through the introduction of energy, preferably radiation energy, more particularly by means of at least one laser, into the feedstock and then at least partially condensing the evaporated feedstock, b) collecting the particle material in at least one receiving and/or transporting device, more particularly at least one container, c) receiving, more particularly storing, and/or transporting the particle material in the receiving and/or transporting device and/or in a further receiving and/or transporting device such that the particle material can be used for a subsequent process, more particularly in a state of at least not permanent passivation, and d) providing the particle material for the subsequent process.
B33Y 70/00 - Materials specially adapted for additive manufacturing
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
C22C 32/00 - Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
The invention relates to a device (1) for use in surgery to which a surgical implement is connectable in order to conduct surgery on a patient, wherein input means (7) for controlling operating parameters and display means (8) for indicating the operating parameters are provided, wherein the device (1) comprises a first display (9) which is essentially horizontal during operation and a second display (10) which runs obliquely upwards at an installation angle (A), wherein the device (1) exhibits position detection means (18) for detecting contactlessly communicating surgical implements (2, 14, 15) deposited on the first display (9) with regard to their positions on the first display (9).
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
A61B 90/90 - Identification means for patients or instruments, e.g. tags
A61B 90/98 - Identification means for patients or instruments, e.g. tags using electromagnetic means, e.g. transponders
A61B 17/00 - Surgical instruments, devices or methods
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
10.
Device for adjusting the irrigation pressure in eye operations
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
07 - Machines and machine tools
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Chemicals; unprocessed plastics, plastics, unprocessed
artificial resins, artificial resins; ceramic compounds; all
of the aforementioned goods in connection with additive
manufacturing (generative production methods); all of the
aforementioned substances in the form of granules and/or
powder; foundry sand. Common metals and their alloys; all of the aforementioned
goods in connection with additive manufacturing; all of the
aforementioned substances in the form of granules and/or
powder; foundry molds of metal. Machines for additive manufacturing, in particular machines
for additive manufacturing by means of an energy source, in
particular by means of electro-magnetic radiation or
particle radiation. Measuring, signalling and checking (supervision) apparatus
and instruments; lasers (not for medical purposes);
apparatus for recording, transmission or reproduction of
sound or images; recorded and unrecorded data carriers; data
processing equipment and computers; computer software; all
of the aforementioned goods in connection with additive
manufacturing. Repair; installation services; installation services,
maintenance and/or repair of machines in connection with
additive manufacturing. Treatment of materials. Education, in particular training in connection with
additive manufacturing. Technological services; services of a mechanical engineer
and/or an engineer and/or a chemist; technological services
of a mechanic in regard to development; design and
development of software, services of a computer engineer
and/or a mathematician; installation of software; all of the
aforementioned services in connection with additive
manufacturing.
The invention relates to a device (1) for use in surgery, to which a surgical utensil can be connected in order to perform an operation on a patient, wherein input means (7) for controlling operation parameters, and display means (8) for displaying the operation parameters are provided. The device (1) has a first display unit (9), which in operational mode is essentially horizontal, and a second display unit (10), which at a propping angle (A) extends obliquely upwards. The device (1) has position detection means (18) for detecting surgical utensils (2, 14, 15), which are stored in the first display unit (9) and are communicating in a contactless manner, with respect to their position on the first display unit (9).
A61B 19/00 - Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B 1/00-A61B 18/00, e.g. for stereotaxis, sterile operation, luxation treatment, wound edge protectors(protective face masks A41D 13/11; surgeons' or patients' gowns or dresses A41D 13/12; devices for carrying-off, for treatment of, or for carrying-over, body liquids A61M 1/00)
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
The invention relates to a device (1) for use in eye surgery, said device (1) having a container (9) which contains fluid (5) and which is connected by an irrigation line (12) to a surgical handpiece for discharging the fluid (5) in order to rinse an eye (3) on which an operation is being performed, wherein a stand (8) is provided which can be adjusted in height, in particular electrically, and which is used to carry the container (9) and to adjust the height (H) between container (9) and surgical handpiece, and wherein a control system is provided for adjusting the height of the stand (8), in order to discharge the fluid (5) from the surgical handpiece into the eye (3) at an irrigation pressure predefined by the operator, wherein pressurizing means (10) are provided which are designed to apply an atmospheric overpressure (PATÜ) to the fluid (5) to be discharged from the container (9) into the irrigation line (12), and wherein the control system for adjusting the desired irrigation pressure is designed both to adjust the height (H) of the stand (8) and also to adjust the atmospheric overpressure (PATÜ) to be applied.
For laser sintering, a material includes at least one powder that has been treated by heat to modify at least one of: a melting temperature of the at least one powder; and a recrystallization temperature of the at least one powder and results in the narrowing of the melting curve of the treated material relative to the untreated material. The heating can include a series of heating steps. The treatment improves the efficacies of the SLS process and product quality.
C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
C08J 3/00 - Processes of treating or compounding macromolecular substances
B29C 67/00 - Shaping techniques not covered by groups , or
A vitreotomy device comprises a body extended by a cannula. The cannula has a closed distal end; it includes a window in its side wall close to said distal end. It houses a needle driven with reciprocating motion and capable of periodically closing said window. The device further comprises suction means connected to the needle, and a double-acting cylinder provided with a moving piston for controlling the movement of said needle. In said device, the needle is driven with reciprocating motion in translation in said cannula; said piston of the double-acting cylinder is secured directly to said needle; as a result, its movements enable the needle to be moved into a first position in which said needle closes said window, and a second position in which the needle leaves said window open. The device makes it possible to control very accurately the lengths of time for which the end of the cannula is open and closed.
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
