B28B11/003

Method for making a metal part with a complex geometry with a thin wall
11534825 · 2022-12-27 · ·

A method for producing a thin-walled metal part with complex geometry includes mixing a metal powder with a polymer binder in order to obtain a composite mixture, producing a flexible composite sheet from the composite mixture, cutting, in the flexible composite sheet, a preform based on a contour of the metal part, applying the preform in a mold having a surface configured with a relief of the metal part, and debinding and sintering the preform in order to obtain the metal part.

WEDGE AND PLUG TOOLING FOR PRE-CARBONIZATION COMPRESSION OF OXIDIZED PAN FIBER PREFORM

A shape forming tool for pre-carbonization compression of a fibrous preform is provided, comprising a female forming tool, a first plug, a second plug, and a wedge, each configured to be received by a die recess of the female forming tool. A first tapered surface of the wedge is configured to engage the first plug and the second tapered surface of the wedge is configured to engage the second plug. In response to the first tapered surface of the wedge engaging the first plug and the second tapered surface of the wedge engaging the second plug, the first plug and the second plug, respectively, are configured to move laterally towards opposing sides of the female forming tool and/or vertically toward a bottom side of the female forming tool to compress the fibrous preform into a shaped body.

METHOD FOR MAKING A METAL PART WITH A COMPLEX GEOMETRY WITH A THIN WALL
20230118657 · 2023-04-20 · ·

A metal part with a wall thickness less than 5 mm includes a preform made from a flexible composite sheet, a flexible composite sheet segment, and an appended insert including a fastening portion that is sandwiched between a rear end of the preform and the flexible composite sheet segment. The flexible composite sheet segment encloses the fastening portion of the appended insert.

Manufacturing method of ceramic chips
11679527 · 2023-06-20 · ·

A method of manufacturing ceramic chips according to one aspect of the present disclosure includes: (A) forming a plurality of dicing trenches on a ceramic wafer; (B) removing a surface in which the dicing trenches are formed by as much as a predetermined thickness to eliminate a rough surface, which is formed on an outer side of each of the dicing trenches when the dicing trenches are formed; and (C) removing a surface opposite to the surface in which the dicing trenches are formed by as much as a predetermined thickness so that the wafer is individualized into a plurality of ceramic chips.

METHOD FOR MANUFACTURING A PART OF COMPLEX SHAPE BY PRESSURE SINTERING STARTING FROM A PREFORM
20220032370 · 2022-02-03 · ·

This invention relates to a method for manufacturing a part of complex shape (3) by successive deposition of layers according to a technique of 3D additive printing and pressure sintering, comprising the following steps: an initial step of producing a model (1) from a material chosen from a porous or pulverulent material based on a metal alloy, a ceramic, a composite material and a lost material by formation of successive layers deposited according to the digitally controlled 3D additive printing technique, followed by a step of introducing a preform (1) made of porous or pulverulent material to be densified, derived from the model (1), into a mold (2) filled with a sacrificial porous or pulverulent material (13) in addition to the preform (1), the uniaxial densifying pressure sintering (10) then being applied to the mold (2) in order to form the part (3) which is finally extracted from the mold (2).

CLADDING ELEMENT FOR USE IN CONSTRUCTION AND METHOD FOR MANUFACTURING THE SAME

A method for manufacturing cladding elements for use in construction, including a composite cement-based structure, including an elastically deformable support element having a first surface, a second surface and a plurality of spacer elements having an elongated shape positioned between the first and second surface to realize a plurality of interconnected cavities. The method further provides preparing a substantially fluid and water-based cementitious composition and introducing the substantially fluid cementitious composition into the support element to obtain a composite structure in a deformable state. After this, part of the fluid cementitious composition is removed from the support element, to eliminate the excess fluid cementitious composition and position the deformable composite structure in a forming device. The method provides for maintaining the deformable composite structure in association with the forming device, until the consolidation thereof and that said support element is constituted by a three-dimensional elastically deformable fabric.

THREE-DIMENSIONAL SCREEN PRINTING METHOD, COMPONENT PRODUCIBLE BY MEANS OF SAID METHOD, AND SCREEN PRINTING MASK
20230321721 · 2023-10-12 ·

The invention relates to a three-dimensional screen printing method for producing a green part from printing material for a powder metallurgical component, wherein the printing material contains a fraction of powder, more particularly metal powder or ceramic powder, and binder or consists of these materials, characterized in that a screen printing mask has a screen printing structure having openings for pressing the printing material through, the openings being partly undulate so that the green part at least partly has a three-dimensional undulate structure and/or undulate edges.

Devices and methods for building panel deformation
11654595 · 2023-05-23 · ·

A method and device for modifying a building panel. The building panel including a first surface comprising a facing paper and a second surface comprising a backing paper with a core of calcium sulfate hemihydrate arranged between the facing paper and the backing paper. The method including applying a solution to a predetermined portion of the facing paper, the backing paper, or the facing and backing paper to sufficiently hydrate at least a predetermined portion of the hemihydrate core to convert it to deformable calcium sulfate dihydrate. The solution including at least one alcohol and water. A predetermined force is applied to the deformable portion of the building panel. The predetermined force causing a desired deformation of the predetermined hydrated portion of the building panel. The device for modifying a building panel according to the method includes a building panel mounting structure, a liquid applicator, and a force applicator.

Method for constructing a printed ceramic object and a ceramic object constructed by the same
11104030 · 2021-08-31 · ·

A system and a method for constructing a printed ceramic object, the method including the steps of extruding a substance to generate a 3D-printed elastomeric object; deforming the 3D-printed elastomeric object into a complex structure to form a printed elastomeric origami object; and transforming the printed elastomeric origami object into an aforesaid printed ceramic origami object.

MANUFACTURING METHOD OF CERAMIC CHIPS
20210122083 · 2021-04-29 ·

A method of manufacturing ceramic chips according to one aspect of the present disclosure includes: (A) forming a plurality of dicing trenches on a ceramic wafer; (B) removing a surface in which the dicing trenches are formed by as much as a predetermined thickness to eliminate a rough surface, which is formed on an outer side of each of the dicing trenches when the dicing trenches are formed; and (C) removing a surface opposite to the surface in which the dicing trenches are formed by as much as a predetermined thickness so that the wafer is individualized into a plurality of ceramic chips.