18 results about "Maximum dimension" patented technology

The present invention relates to a timepiece component or jewellery component made entirely or partially from a material comprising between 9 and 21 carats of gold, the material (1) comprising a predefined colour matrix (2) defined by its a*, b*, and L* coordinates in the CIE L*a*b* space, and having a density less than or equal to 10 g / cm3, preferably less than or equal to 8 g / cm3, and at least gold particles (3) dispersed in the matrix. According to the invention, the dimensions of the gold particles (3) are such that the maximum dimension of the gold particles (3) in the plane of the surface of the observed material is less than 60 μm, preferably less than 30 μm, and the minimum dimension of the gold particles (3) in the plane of the surface of the observed material is greater than 1 nm, preferably greater than 10 nm, preferably greater than 200 nm, preferably greater than 0.5 μm, and more preferably greater than 1 μm, the gold particles (3) having no plasmonic effect and being dispersed homogeneously in the matrix (2), and the quantity of gold particles (3) dispersed in the matrix (2) is predetermined such that the material (1) appears to have a colour identical or close to the predefined colour of the matrix (2) to the same observer placed at least 30 cm, and preferably at least 10 cm, from the surface of the material (1), under the same conditions of illumination by an illuminant, the colour of the material being such that the colour difference ΔE* in the CIE L*a*b* colour space between the colour of the material and the colour of the matrix is less than 10, preferably less than or equal to 5, preferably less than or equal to 4, and more preferably less than or equal to 3. The present invention also relates to a method for manufacturing a timepiece component or jewellery component as defined above.

A compression element (80) for a mooring component comprises a plurality of shell pieces (42b, 42b'). Each shell piece has a first annular portion and a second annular portion and a middle portion extending between the first annular portion and the second annular portion. The first annular portion and the second annular portion lie in a plane perpendicular to a central axis of the compression element. The maximum dimension of the first annular portion in a direction perpendicular to the central axis is greater than the corresponding maximum dimension of the second annular portion. The shell pieces are arranged along the central axis such that the first annular portion or the second annular portion of one shell piece is joined to the first annular portion or the second annular portion of an adjacent shell piece. The compression element is arranged such that, when a compressive stress causes the compression element to be compressed, the middle portion of one shell piece contacts the middle portion of an adjacent shell piece.

A method for producing a machine component from a workpiece includes registering a dimension of a surface of the workpiece to be machined and a margin of tolerance of the dimension, generating a signature pattern for the surface to be machined, shaping the workpiece at least on the surface to be machined, where a signature pattern is simultaneously produced during the shaping, and producing a check code on the workpiece, where the signature pattern has maximum dimensions that are within the tolerance margin.

Retaining device (1) comprising a base (10), a plurality of retaining elements (20) comprising a rod (30) surmounted by a head (40); in which, for each retaining element (20), in projection in a plane formed by the upper face (12) of the base (10), the lower end (34) of the rod (30) is inscribed within a first circle C1 with center O1, the head (40) is inscribed within a second circle C2 with center O2, said second circle being tangent to one end of the head (40) along the longitudinal direction (MD), the maximum dimension of the head (40) passing through the center of the circle C2 and extending along the longitudinal direction (MD) and / or the transverse direction (CD) is less than 80% of the diameter D2 of the second circle C2.

The invention discloses a 3D printing method and device based on arch structure division, a medium and a product, and relates to the technical field of 3D printing construction. The method comprises the steps that a calculation sketch of a printing structure in a critical failure state is obtained; constructing a rectangular coordinate system, and determining a critical cantilever inclination angle; determining the critical stacking height according to the horizontal projection distance and the vertical projection distance of the two ends of the plane where the defect is located; determining the maximum size of an arch unit and a class I division point when the arch structure is divided in the direction perpendicular to the arch axis; according to the critical cantilever inclination angle and the critical stacking height, II-class division points are determined; and according to the maximum size of the arch units, the I-type division points and the II-type division points, the target arch structure is divided in the direction perpendicular to the arch axis, and all the arch units are sequentially printed and formed. The arch axis and the printing layer are perpendicular to each other to print the arch structure, and the influence of the material self-supporting range in the arch structure and the structure stress condition under the self-weight load on structure division is fully considered.

Provided is a manufacturing method capable of ensuring the quality of a metal member manufactured by hot extrusion. A material (1) includes a tip surface (11), an outer peripheral surface (12), and a chamfered surface (13). At the start of extrusion, in a vertical cross-sectional view in a state in which a glass disk (4) and the material (1) are loaded into a container (2), an outer diameter Db of the tip surface (11) of the material (1) satisfies formula (1) in relation to a maximum dimension Dd in the radial direction of a die hole (31) and an inner diameter Dc of the container (2); when a virtual straight line (L1) connecting a connection point (P1) between the tip surface (11) and the chamfered surface (13) and a connection point (P2) between the chamfered surface (13) and the outer peripheral surface (12) is defined, an inclination angle θb of the virtual straight line (L1) with respect to a perpendicular line (VL) of an axial center (CL) of the container (2) satisfies formula (2); and the inclination angle θb, the outer diameter Db, the maximum dimension Dd, and the inner diameter Dc satisfy formula (3). (1): Dd ≤ Db ≤ Dd + 0.8 × (Dc - Dd), (2): 45° ≤ θb ≤ 65°

The invention relates to a method (100) for manufacturing a machine part (15) from a workpiece (10). The method (100) comprises a first step (110) in which the dimensions (16) of a surface (12) to be machined of the workpiece (10) and a tolerance allowance (17) of the dimensions (16) are detected. This is followed by a second step (120) in which the generation of a signature pattern (20) is carried out for the surface (12) to be machined. This is followed by a third step (130) in which the workpiece (10) is subjected to a forming machining (37) at least at the surface (12) to be machined. Here, the signature pattern (20) is manufactured. In a subsequent fourth step (140), a check code (25) is manufactured on the workpiece (10). According to the invention, the signature pattern (20) has a maximum dimension (22) which lies within the tolerance allowance (17).

To provide an animal toilet which can suppress granular materials from being caught.SOLUTION: An animal toilet has a rib having a first length and a rib having a second length. At a first prescribed position in a vertical direction between the uppermost part and the lowest part of the rib having the first length, a dimension in a width direction of the rib having the first length is the maximum dimension, and the uppermost part of the rib having the first length and an end part in the width direction of the rib having the first length on the first prescribed position are coupled by a curved surface. At a second prescribed position in a vertical direction between the uppermost part and the lowest part of the rib having the second length, a dimension in a width direction of the rib having the second length is the maximum dimension, and the uppermost part of the rib having the second length and an end part in the width direction of the rib having the second length on the second prescribed position are coupled by a curved surface. The rib having the second length is shorter than the rib having the first length in a vertical-directional length. The rib having the second length is formed in a shape in which a lower side is shorter than a position of the maximum dimension in the vertical direction, and a cross sectional shape is similar to a circular form, in comparison with the rib having the first length.SELECTED DRAWING: Figure 16

The present invention relates to a timepiece mechanism comprising: - a timepiece component (2) which moves translationally in a longitudinal direction (x), - an inbuilt seal (10) surrounding the timepiece component (2) and comprising: - a central region (100), - at least one lateral end region (300), - a transition region (200) between the central region (100) and the lateral end region (300). The central region (100) has a maximum dimension (d1) in a transverse direction (y) that is greater than that (d3) of the lateral end region (300), the dimension (d3) in the transverse direction (y) of the lateral end region (300) being equal to or greater than that (d2) of the transition region (200). The seal (10) is arranged to rotate about the center (C) of its cross section in the plane xy during the movement of the timepiece component (2) by an angle in the range 10°-20°.

The embodiments of the present application disclose a size control method and device in multi-material topology optimization based on the density method. A projection variable field is constructed based on the variable field of the engineering structure, and the first type of constraint conditions and the second type of constraint conditions are constructed based on the projection variables of each phase material of the engineering structure. Then, under multiple first type of constraint conditions and at least one second type of constraint conditions, the value of the variable field is optimized by using a gradient-based optimization algorithm, so that the target property of the engineering structure reaches the optimum, achieving the purpose of controlling the maximum size of each phase material of the engineering structure during the topology optimization of the engineering structure composed of multi-materials, and improving the manufacturability and diversity of the engineering structure.

An extraction means 1151 extracts, from among 3D Gaussians subjected to parameter training by a learning means 114, only 3D Gaussians for which the maximum size of a projected Gaussian projected on each screen is greater than or equal to a threshold value. A selection means 1152 selects some 3D Gaussians, from the 3D Gaussians extracted by the extraction means 1151, with a probability proportional to the opacity of the extracted 3D Gaussians. A division means 1153 divides the 3D Gaussians selected by the selection means 1152 into a plurality of pieces so that the total volume of the 3D Gaussians is maintained. An arrangement means 1154 arranges each of the 3D Gaussians divided into the plurality of pieces by the division means 1153, on the basis of the positions of the original 3D Gaussians before the division.

Obtaining visualization data (D) representing a scene (S) having at least one object (110, 120, 130) in ). The visualization data (D in ) describes a scene (S) as seen from a position (P). A first metric and a second metric (L1, L2) are determined, the first metric and the second metric representing the extent of one of the objects (110) in a minimum dimension and a maximum dimension, respectively. An object aspect ratio (R) representing the relationship between the first metric and the second metric (L1; L2) is calculated. Based on the object aspect ratio (R), a selection margin (M) is assigned to the object (110). The selection margin specifies an area outside the object (110) except for a displayed object area (A) observed from a viewing direction (V) from the position (P) toward the object (110). 11 ), the object (110) can be effectively selected within the region for manipulation. Thus, the visualization data (D) is manipulated in response to user input (e.g., in the form of a gaze-based selection command). in ) becomes easier.

A press apparatus 1 includes: a first die part 2 having a first working surface 2a; a second die part 3 having a second working surface 3a; a first support member 4 that supports the first die part 2; and a second support member 5 that supports the second die part 3. At least one of the first and second die parts 2 and 3 provides a clearance S1, S2 present in at least a portion of an overlap region R1, the overlap region being overlapped by the first and second working surfaces 2a and 3a as viewed in the press direction, the dimension of the clearance in the press direction in a no-load condition being non-uniform along two orthogonal directions as viewed in the press direction. The minimum dimension of the clearance Si within an inner region R1u in the no-load condition is smaller than the minimum dimension of the clearance S1 within an outer region R1s in the no-load condition, the inner region defined by, and located inward of, the middle line between the centroid G and edge of the overlap region R1.

The present invention relates to a method for manufacturing a timepiece or jewellery component made entirely or partly of a material comprising between 37.5% and 95% by weight of a precious metal relative to the total weight of the material, the material comprising a matrix configured to exhibit a predefined final hue, defined by its a*, b*, and L* coordinates in the CIE L*a*b* space, and at least particles based on the precious metal. The method comprises the following steps: a) providing a material intended to form the matrix; b) preparing initial particles based on the precious metal which also comprise at least one other metal, wherein the amount of the other metal is selected so that the hue of the particles based on the precious metal in the matrix is such that the colour difference ΔE* in the CIE L*a*b* colour space between the predefined final hue of the matrix and the hue of the particles based on the precious metal in the matrix is less than the colour difference ΔE* between the predefined final hue of the matrix and the hue of the pure native precious metal; c) optionally providing at least one additional component intended to constitute between 0% and 10% by weight of the material; d) combining the material intended to form the matrix with the initial particles based on the precious metal and optionally with the at least one additional component, in order to obtain a homogeneous mixture of particles based on the precious metal and optionally the at least one additional component in the matrix; e) producing, from the mixture obtained in step d), the timepiece or jewellery component, entirely or partly in the material, in which the maximum dimension of the particles based on the precious metal in the plane of the observed surface of the material is less than 100 μm, and the minimum dimension of the particles based on the precious metal in the plane of the observed surface of the material is preferably greater than 200 nm, preferentially greater than 0.5 μm, and more preferentially greater than 1 μm, wherein the particles based on the precious metal have no plasmonic effect, and the amount of particles based on the precious metal dispersed in the matrix is predetermined such that the material appears to have a hue identical or close to the predefined final hue of the matrix to one and the same observer positioned at least 30 cm from the surface of the material under the same conditions of illumination by an illuminant, and wherein the hue of the material is such that the colour difference ΔE* between the hue of the material and the predefined final hue of the matrix is less than 10.

The holding device (1) comprises a base (10) and a plurality of holding elements (20) including a rod (30) covered by a head (40); in each holding element (20), in the projection on the plane formed by the upper surface (12) of the base (10), the lower end (34) of the rod (30) is inscribed in a first circle C1 having a center O1, the head (40) is inscribed in a second circle C2 having a center O2, the second circle is in contact with one end of the head (40) along the longitudinal direction (MD), and the maximum dimension of the head (40) passing through the center of the circle C2 and extending along the longitudinal direction (MD) and / or the transverse direction (CD) is less than 80% of the diameter D2 of the second circle C2.

The invention discloses a method for constructing a sliding channel based on an interior trim part frame, and belongs to the field of decoration processing, and the method comprises the steps: obtaining the contour data of an interior trim part, and extracting the maximum size value and the minimum size value of the contour data corresponding to the interior trim part; the range value between the maximum size value and the minimum size value serves as the size standard, the material of the frame piece is determined, the frame piece is arranged, a guide groove is formed in the frame piece according to the size standard, the inner contour of the guide groove is matched with the inner contour of the interior trim part so that the interior trim part can be stored in the guide groove, and a display opening is formed in the guide groove and used for displaying the interior trim part. The interior trim parts on the guide grooves are exposed out of the display openings, the ends of the frame pieces extend to form sliding channels, and the section of any position of each sliding channel is matched with the outline of the corresponding frame piece; dependence of a traditional processing mode on a craftsman is expected to be improved, and many problems possibly occurring in the sliding process of the interior trim part are optimized.

This enables adaptive density control of 3D Gaussian, which is suitable for reproducing the details of objects depicted in captured images. [Solution] The extraction means 1151 extracts only those 3D Gaussians whose maximum size projected onto each of the above-mentioned screens is greater than or equal to a threshold, from among the 3D Gaussians whose parameters have been learned by the learning means 114. The selection means 1152 selects several 3D Gaussians from among the 3D Gaussians extracted by the extraction means 1151 with a probability proportional to the opacity of those 3D Gaussians. The splitting means 1153 splits the 3D Gaussians selected by the selection means 1152 into multiple parts so as to maintain their total volume. The placement means 1154 places each of the 3D Gaussians split by the splitting means 1153 based on the position of the original 3D Gaussian before splitting.