Produits et services

Metal fastening means, namely: rivets, screws, nuts, breakable fastening screws, irreversible clamping screws, pinning fastening rods, blind fasteners for composite materials. Fastening means not of metal, namely: rivets, screws, nuts, breakable fastening screws, irreversible clamping screws, pinning fastening rods, blind fasteners for composite materials.

Produits et services

Metal fasteners, namely, rivets, screws, nuts, breakable fastening screws, irreversible clamping screws, pinning fastening rods, and blind fasteners for composite materials, all for use in aerospace applications Non-metal fasteners, namely, rivets, screws, nuts, breakable fastening screws, irreversible clamping screws, pinning fastening rods, and blind fasteners for composite materials, all for use in aerospace applications

Abrégé

The invention relates to a setting method and a setting tool (O) for a blind fastener (100) comprising a shank (110) on which an external body (120) is threaded, said external body (120) comprising a deformable portion (140) for the purpose of creating a bulb under the action of the shank (110), the shank (110) comprising a breaking groove (114), the tool being noteworthy in that it comprises a setting member (200) that cooperates with said shank (110) and a setting verification member (300) that cooperates with said head (121) of the external body (120), - the setting member (200) acting on the shank (110) in order to create the bulb until the shank (110) breaks in the region of the breaking groove (114), - the setting verification member (300) subjecting the detachable portion (122) of the head (121) of the external body (120) to a twisting stress by driving in rotation of the impact type in order to break the narrowed portion (123) of the external body (120), the break resulting in proper fitting and the absence of a break resulting in incorrect fitting. The invention also relates to a suitable blind fastener. Applications: setting of blind fasteners.

Classes IPC  ?

• B21J 15/04 - Rivetage mécanique de rivets creux
• B21J 15/28 - Dispositifs de commande spécialement adaptés aux machines à riveter, non limités à l'un des sous-groupes précédents
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to an attachment member (R) of the "lockbolt" type comprising a pin (100) and a ring (200), said pin (100) comprising a head (110) at one end and having, on its body, a first part (120) grooved with a plurality of locking grooves or channels (121p, 121c, 121d) enabling the ring (200) engaging with the pin (100) to attach itself thereto by deformation, and a second part (130) that is grooved in order to cooperate with a tool (O), characterised in that said grooved part (120) of the pin (100) is preformed so as to provide a series of non-helical grooves (121p, 121c, 121d), the beginning and the end of the series consisting of grooves (121p, 121d) that have different profiles from the identical grooves (121c) located in the central part of said series, the different profile having an identical depth but a greater width compared to the profile of the grooves (121c) located in the central portion of the series. The invention is applicable to the production of attachments and rivets.

Classes IPC  ?

• F16B 19/05 - Chevilles fixées par collerettes embouties

Abrégé

The invention relates to a method for producing an attachment element (R) comprising a shaft (100) having a first end provided with a head (200) and a second end that is intended to be deformed in order to form a button (300) providing a bearing surface opposite the surface formed by the head (200), said shaft (100) having a nominal diameter (D). The method is characterised in that the element is sized such that the minimum length (L) of the shaft (100) to be deformed to form the button (300) is no less than 1.25 times the nominal diameter (D) of the shaft (100). The invention is suitable for use in the production of attachment elements, such as rivets.

Classes IPC  ?

• F16B 19/06 - Rivets pleins d'une seule pièce
• F16B 5/04 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par rivetage
• F16B 19/08 - Rivets creuxRivets en plusieurs morceaux

Abrégé

The invention relates to a method for applying a rivet (R, R', R'', R2 ), said rivet (R) being designed such that it has a head (100) and a tubular or semi-tubular shaft (200) with an open free end (220) that deforms in such a way as to create a bearing surface, a rivet snap (B, B') being used to ensure the deformation of said end (220) by bringing said rivet snap closer to the first tool. According to said method, a film (500, 600, 700) of lubricating material is inserted between the rivet snap (B, B') and the end to be deformed during the application. The invention also relates to a suitable rivet and application tool.

Classes IPC  ?

• B21J 15/02 - Procédés de rivetage
• B21J 15/04 - Rivetage mécanique de rivets creux
• B21J 15/36 - Outils et contre-outils pour former les têtes de rivetsMandrins pour le rivetage par expansion des rivets creux
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to a riveting element (R) for riveting parts which are made from composite materials (M1 and M2) and provided with a through-hole. The invention is characterized in that it consists of: a hollow bushing (200) including, at one end, a head (210) bearing on the surface of one of the parts to be assembled and a hollow rod (220); and a semi-tubular insert (100) including a first end (110) capable of being inserted into the hollow part of the bushing (200) and an open end (130) capable of deforming in order to form an enlarged base that bears on the surface of the other part that is to be assembled once the insert (100) is translatably locked inside the bushing (200). The invention also relates to the installation tool configured for one such element.

Classes IPC  ?

• B21J 15/04 - Rivetage mécanique de rivets creux
• B21J 15/36 - Outils et contre-outils pour former les têtes de rivetsMandrins pour le rivetage par expansion des rivets creux
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to a method for making a rivet (R), of the type comprising, by deformation of the material of a substantially cylindrical metal segment, the operations of preforming a milled head (100) at the end of a rod (200), characterised in that it comprises, by deformation of the material (cold stamping) the following operations: creating a portion with a lower diameter (210) from the free end; creating a substantially cylindrical hollow core (220) for forming a tubular portion; preforming the hollow core (220) as a truncated cone; performing the lower diameter outer surface as a truncated cone. The invention also relates to the rivet obtained by said method.

Classes IPC  ?

• B21F 29/00 - Fabrication de clôtures ou de produits similaires, partiellement en fils métalliques

Abrégé

The invention relates to a method for assembling parts (P1 and P2) in composite hardware by means of a riveting member (R), and is notable in that it comprises: using a bushing (200), the hollow core (230) of which has two different sections (231 and 232); using an insert (100) having no functional axial bearing surface for the radial swelling of the bushing (200) in the through-hole (T), but the diameter (D3) of which is capable of enabling the housing thereof, with no change in shape, in the first section (231) of the hollow core (230), and is also capable of enabling the forcible housing thereof in the second section (232); axially feeding the insert (100) into the bushing (200) such that the latter radially swells inside the through-hole (T) up to the small section (232) thereof and such that the recess well-defined by said small section is occupied by said insert (100); and ensuring, by means of a rivet set (400), the pressure on the first section (231) of the bushing (200) by the end that changes shape to ensure the bending thereof by radial centrifugal extension.

Classes IPC  ?

• F16B 5/04 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par rivetage
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to a method for assembling parts (P1 and P2) in composite hardware by means of a riveting member (R), and is notable in that it comprises: using a bushing (200), the hollow core (230) of which has two different sections (231 and 232); using an insert (100) having no functional axial bearing surface for the radial swelling of the bushing (200) in the through-hole (T), but the diameter (D3) of which is capable of enabling the housing thereof, with no change in shape, in the first section (231) of the hollow core (230), and is also capable of enabling the forcible housing thereof in the second section (232); axially feeding the insert (100) into the bushing (200) such that the latter radially swells inside the through-hole (T) up to the small section (232) thereof and such that the recess well-defined by said small section is occupied by said insert (100); and ensuring, by means of a rivet set (400), the pressure on the first section (231) of the bushing (200) by the end that changes shape to ensure the bending thereof by radial centrifugal extension.

Classes IPC  ?

• F16B 5/04 - Jonction de feuilles ou de plaques soit entre elles soit à des bandes ou barres parallèles à elles par rivetage
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to a device (D) for storing and dispensing parts (P) of the type that comprises a rigid parallelepiped container (100) receiving at least one winding of a flexible storage pipe (200), wherein at least one end (220) of said pipe (200) opens to the outside and said end (220) is provided with a dispensing head (300), while the other end (210) is supplied with movement fluid, characterised in that the pipe (200) used for storing the parts (P) is made of a polyether-based polyurethane of about 64 shore D.

Classes IPC  ?

• B65G 51/02 - Transport des objets par écoulement direct de gaz, p. ex. fiches, feuilles, bas, réceptacles, pièces à usiner

Produits et services

Metal rivets and fasteners, particularly for composite materials. Non-metallic rivets and fasteners, particularly for composite materials.

Abrégé

The invention relates to a method for making a rivet (R), of the type comprising, by deformation of the material of a substantially cylindrical metal segment, the operations of preforming a milled head (100) at the end of a rod (200), characterised in that it comprises, by deformation of the material (cold stamping) the following operations: creating a portion with a lower diameter (210) from the free end; creating a substantially cylindrical hollow core (220) for forming a tubular portion; preforming the hollow core (220) as a truncated cone; performing the lower diameter outer surface as a truncated cone. The invention also relates to the rivet obtained by said method.

Classes IPC  ?

• B21K 1/60 - Fabrication d'éléments de machines de rivets de rivets creux ou semi-creux
• F16B 19/06 - Rivets pleins d'une seule pièce
• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Abrégé

The invention relates to a blind rivet (R) characterised in that it comprises a severing groove (130) shaped in such a way that the connection between the bottom of the groove and the outside diameter of the mandrel (100) increases more on the shank side than on the head side; a shank (120) provided with a plurality of preformed crimping grooves (140) and shaped in such a way that once the shank has been severed at the severing groove (130), part of the crimping grooves (140) extends beyond the sleeve (200); at least one weakening groove (150) on the shank; a crimping collar insert (400) is crimped into the crimping grooves (140) extending beyond the sleeve (200) using a tool (500) provided with a setting tip which can exert a pulling force on the mandrel (100) in order to bend the sleeve (200) and crimp the collar (400) on the mandrel (100). The invention is useful for attachment and riveting.

Classes IPC  ?

• F16B 19/10 - Rivets creuxRivets en plusieurs morceaux fixés par action mécanique

Produits et services

Metal rivets and fasteners, particularly for composite materials. Non-metal rivets and fasteners, particularly for composite materials.

Produits et services

Metal fasteners, namely rivets, especially for composite materials. Non-metal fasteners, namely rivets, especially for composite materials.

Produits et services

Metal fasteners, namely, rivets for building aircraft, spacecraft, and other aerospace related structures, the rivets being marketed via aerospace channels of trade Non-metal fasteners, namely, rivets for building aircraft, spacecraft, and other aerospace related structures, the rivets being marketed via aerospace channels of trade

Produits et services

Metal fasteners, namely, rivets, especially for composite materials Non-metal fasteners, namely, rivets, especially for composite materials