The invention relates to a connection device for flat substrates, in particular for PMMA sheets, GRP sheets, plastic sheets or light metal alloy sheets, comprising an annular disk (1) which has on its outer lateral surface (3) a surface structure (4) for anchoring in the flat substrate (17) and through which passes a clamping screw (8) having a screw head (9) and a shank (10) with external thread (11), and a nut (18) which can be screwed onto the external thread (11) for clamping the annular disk (1) axially between the screw head (9) and the nut (18), wherein the annular disk (1) can be widened in the radial direction as a consequence of the clamping between the screw head (9) and the nut (18) in order to clamp the annular disk (1) against the internal circumference (19) of a bore, preferably formed as a blind bore, in which the annular disk (1) can be received, and in so doing anchor the surface structure (4) in the radial direction in the substrate material of the inner circumference (19) of the bore (16). According to the invention, it is provided that the clamping screw (8) has, in the region of its forward shank end oriented away from the screw head (9), in particular on the end face, a drive, preferably in the form of a drive recess, preferably a polygonal or multi-lobed recess.
F16B 13/06 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet avec parties s'agrippant dans le trou ou derrière la paroi après insertion et combinées avec un manchon extensible
F16B 35/04 - Boulons filetésBoulons d'ancrageGoujons filetésVisVis de pression avec tête ou axe de forme particulière permettant de fixer le boulon sur ou dans un objet
2.
THREADED SLEEVE, PROFILE CONNECTION, AND METHOD FOR ESTABLISHING A PROFILE CONNECTION
The invention relates to a threaded sleeve for establishing a profile connection, comprising an external thread (6) designed as a self-tapping, in particular exclusively material-shaping or chip-forming and self-cutting thread, a passage opening having an internal thread (24) for accommodating a connecting screw (10) having a screw thread, and driving means (7), which extend to both axial ends of the threaded sleeve (5, 9) facing away from each other. According to the invention, the thread pitch of the external thread (6) and the thread pitch of the internal thread (24) are different from each other.
F16B 7/18 - Assemblages de barres ou assemblages de tubes, p. ex. de section non circulaire, y compris les assemblages élastiques utilisant des éléments filetés
F16B 37/12 - Écrous ou pièces similaires avec entrées de filetage avec surfaces d'entrée de filetage consistant en une insertion de ressorts hélicoïdaux, de disques ou de pièces analoguesÉcrous constitués par des morceaux indépendants de fil métallique enrouléGarnitures filetées intérieures pour trous
3.
ANCHORING DEVICE, CONNECTING ARRANGEMENT AND METHOD
The invention relates to an anchoring device (3) for fastening a component (24) to a carrier element (26), having a spreading sleeve (1), the latter comprising an internally threaded section (4) which extends along a longitudinal axis and comprising battlement-like structures (6) which are provided on a rear end section of the spreading sleeve (1) and which extend axially counter to a mounting direction (M) and which are provided so as to project radially outward beyond the sleeve shell in an installed position and so as to be supported on the carrier element (26) counter to the mounting direction (M), and having a spreading-apart sleeve (2) for radially spreading the battlement-like structures (6) apart when the spreading-apart sleeve (2) and the spreading sleeve (1) are braced against one another, wherein the spreading-apart sleeve (2) has a passage opening for receiving a threaded clamping element (20) for bracing the spreading sleeve (1) and the spreading-apart sleeve (2) against one another. It is provided according to the invention that securing means for forming an axial captive retention facility are provided by radial engagement of the spreading-apart sleeve (2) and the spreading sleeve (1) into one another.
F16B 5/01 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation spécialement adaptés pour panneaux en nid d'abeilles
F16B 37/06 - Dispositifs pour fixer les écrous à des surfaces, p. ex. à des feuilles, à des plaques par soudage ou rivetage
F16B 41/00 - Dispositions contre la perte des boulons, écrous, broches ou goupillesDispositions empêchant toute action non autorisée sur les boulons, écrous, broches ou goupilles
4.
TOOL FOR PRODUCING AN ANNULAR UNDERCUT IN A BODY, DOWEL FOR INSERTING INTO A BORE, METHOD FOR FIXING A DOWEL IN A BODY, AND USE OF A DOWEL
The invention relates to a tool (1) for producing an annular undercut (2) in a wood, stone or plastic body at a distance from the outer surface of the body, comprising a carrying body (4) for a milling part (8), said carrying body being drivable in a rotatable manner about a rotational axis (5). The milling part is guided in a movable manner along a displacement axis which runs at an angle relative to the rotational axis (5), and the milling part is associated with supporting means (13) which extends along the rotational axis (5), which can be displaced along the rotational axis (5) relative to the carrying body (4), and which has a supporting surface (14) for supporting on a surface of the body, in particular on the base (16) of a bore (15) in the body. The supporting means (13) is designed so as to interact with the milling part (8) and is arranged such that the supporting means (13) moves the milling part (8) along the displacement path when the supporting means is moved relative to the carrying body (4) along the rotational axis (5) and when a distance between the supporting surface (14) and the carrying body (4) reduces in conjunction with said relative movement such that the milling part can be radially displaced further outwards with respect to the rotational axis (5) in order to increase the radial extension of the undercut (2). The invention further relates to a method, a dowel, and a system.
F16B 13/08 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet avec parties s'agrippant dans le trou ou derrière la paroi après insertion les parties s'agrippant étant distinctes du dispositif et amenées dans leur position finale sans opération manuelle ultérieure
F16B 37/12 - Écrous ou pièces similaires avec entrées de filetage avec surfaces d'entrée de filetage consistant en une insertion de ressorts hélicoïdaux, de disques ou de pièces analoguesÉcrous constitués par des morceaux indépendants de fil métallique enrouléGarnitures filetées intérieures pour trous
5.
ANCHORING DEVICE FOR FASTENING A COMPONENT TO A CARRIER ELEMENT
The invention relates to an anchoring device (10; 10a; 10b) for fastening a component (1) to a carrier element (100; 100b), having a sleeve-shaped expanding sleeve (11; 11a; 11b) which, on the side which faces a wall (101; 105) of the carrier element (100; 100b), has a plurality of axially oriented expanding crenellations (14) which can be widened radially and are preferably arranged at identical angular spacings from one another, wherein the expanding crenellations (14) bear against the wall (101; 105) of the carrier element (100; 100b) in their radially widened state and fix the expanding sleeve (11; 11a; 11b) axially in the direction of the wall (101; 105).
F16B 5/01 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation spécialement adaptés pour panneaux en nid d'abeilles
F16B 37/06 - Dispositifs pour fixer les écrous à des surfaces, p. ex. à des feuilles, à des plaques par soudage ou rivetage
6.
METHOD FOR PRODUCING A FIXED CONNECTION, TOOL AND CONNECTION
The invention relates to a method for manufacturing a fixed connection (15) between a metal dowel (1) and a substrate (16) formed preferably as a solid material substrate, having the steps: providing a metal dowel (1) comprising at least one end-side crenellation (2) which extends counter to an insertion direction (E) and which extends in a direction of rotation (D) oriented in the circumferential direction, and comprising an internal thread (7) for fixing an external thread element, forming a bore (17) into the substrate (16), inserting the metal dowel (1) into the bore (17) in the insertion direction (E), exerting a force on the metal dowel (1) in the insertion direction (E) and in so doing generating a radial force component such that a front circumferential portion (3) pointing in the direction of rotation (D) is adjusted radially outward, in such a way that the front circumferential portion (3) projects in the radial direction beyond a circumferential portion (4) at the rear in relation to the direction of rotation (D), in order thereby to remove substrate material as the metal dowel (1) is turned in the direction of rotation (D), exerting a force on the metal dowel (1) in the direction of rotation (D), and in so doing removing substrate material by means of the front end portion, which projects in the radial direction beyond the rear end portion, of the at least one crenellation (2). The invention also relates to a tool for carrying out the method and to a connection produced by means of the method.
F16B 13/00 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet
F16B 13/08 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet avec parties s'agrippant dans le trou ou derrière la paroi après insertion les parties s'agrippant étant distinctes du dispositif et amenées dans leur position finale sans opération manuelle ultérieure
The invention relates to a spreading device (1) for inserting into a bore in a sandwich material (11) which has a front metal sheet (10) and a rear metal sheet (13) which hold a metal foam layer (12) between them in a sandwich-like manner, the spreading device having a sleeve casing (2) which extends along a spreading device longitudinal axis and in which an internal thread (3) is provided, and having crenellations (4) which are arranged on a rear end portion of the spreading device (1) and which are inclined axially counter to an insertion direction (E) of the spreading device (1), which crenellations (4) are provided so as to project radially outward beyond the sleeve casing (2) in the installed position. It is provided according to the invention that means (6) for directly supporting a tensile force which is introduced into the spreading device (1) and which is oriented counter to the insertion direction (E) on that metal sheet (10) of the sandwich material (11) which is at the front in relation to the insertion direction (E) are provided on a front end portion of the spreading device (1) remote from the rear end portion. The invention also relates to a connection comprising a spreading device (1) and to a sandwich material (11) which comprises a metal foam and to a system for producing a connection of said type.
F16B 5/01 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation spécialement adaptés pour panneaux en nid d'abeilles
8.
SAFETY SCREW, SCREW CONNECTION AND METHOD FOR PRODUCING A SAFETY SCREW
The invention relates to a safety screw for a screw connection, comprising a body (2) having an external thread (3) having at least one safety thread winding (6) delimited by two thread teeth (9, 7), the cross-sectional profile of said safety thread winding being deformed compared to the cross-sectional profile of at least one further thread winding (11), preferably compared to several further thread windings (11), preferably compared to the predominant number of thread windings (11), in order to increase the traction of a screw connection comprising the safety screw (1). According to the invention, only one of the thread teeth (9, 7) delimiting the safety thread winding (6) is deformed exclusively in the screwing direction (E, 8) of the safety screw (1), and the thread teeth (9, 10) adjacent to the deformed thread tooth (7) are not deformed, or both thread teeth (7, 7) delimiting the safety thread winding (6) are deformed exclusively in the screwing direction (E, 8) of the safety screw (1).
The invention relates to an exhaust gas turbocharger having an impeller (16) disposed on a rotatable shaft, said impeller being secured in the axial direction by means of a threaded element (1), wherein the threaded element (1) comprising a thread (3) comprises a drive segment (4) for interacting with a drive tool (13) for tightening or releasing the threaded element (1). According to the invention, the drive segment (4) is formed as an external cone segment.
The invention relates to a method for producing an internal thread element (1) having a first internal thread segment (20) and having a second internal thread segment (21) positioned relative to the first internal thread segment (20) such that, when the two internal thread segments (20, 21) are screwed together with an external thread element (19), a braking torque results. The invention further relates to an internal thread element (1) and a screwed connection.
B21K 1/70 - Fabrication d'éléments de machines d'écrous de formes particulières, p. ex. écrous à blocage automatique, écrous à oreilles
F16B 39/38 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par organes particuliers portés par l'écrou ou le boulon ou par la forme particulière de ceux-ci avec une seconde partie du filetage qui peut être montée élastiquement
11.
SCREW ELEMENT, SCREW CONNECTION AND METHOD FOR PRODUCING A SCREW ELEMENT
The invention relates to a method for producing a screw element (1) having a first outside thread section (3) and having a second outside thread section (5), wherein the first and the second outside thread sections (3, 5) are positioned relative to one another such that a braking torque results upon screwing the two outside thread sections (3, 5) together with an inside thread element (13). According to the invention, the outside thread sections (3, 5) are positioned in the axial direction and/or in the circumferential direction by a defined, relative adjustment of said outside thread sections (3, 5).
F16B 39/38 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par organes particuliers portés par l'écrou ou le boulon ou par la forme particulière de ceux-ci avec une seconde partie du filetage qui peut être montée élastiquement
The invention relates to an expanding sleeve for introduction into a soft material, in particular in the installation position for the tensile loading counter to an axial introducing direction, with a sleeve casing which extends along an expanding-sleeve axis and has a transitional edge which faces an introducing direction in the installation position. There is provision according to the invention for the sleeve casing to have a means for fastening a drawing means on the inside in a rear region which lies axially behind the transitional edge in the introducing direction, and for the sleeve casing to have, in a front region which lies in front of the transitional edge, a number of crenellations (38) which are arranged at the transitional edge and are set axially counter to the introducing direction, which crenellations (38) are provided for projecting radially beyond a casing surface which is arranged in the rear region of the sleeve casing, transversely with respect to the expanding-sleeve axis at least in the installation position.
F16B 5/01 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par organes de fixation spécialement adaptés pour panneaux en nid d'abeilles
F16B 13/06 - Chevilles ou autres dispositifs fixés à des parois ou autres emplacements par insertion dans des trous préparés à cet effet avec parties s'agrippant dans le trou ou derrière la paroi après insertion et combinées avec un manchon extensible
brevets