FR3097279A1 - Assembly of a support member at the end of a threaded rod and method of manufacturing the threaded rod - Google Patents
Assembly of a support member at the end of a threaded rod and method of manufacturing the threaded rod Download PDFInfo
- Publication number
- FR3097279A1 FR3097279A1 FR1906401A FR1906401A FR3097279A1 FR 3097279 A1 FR3097279 A1 FR 3097279A1 FR 1906401 A FR1906401 A FR 1906401A FR 1906401 A FR1906401 A FR 1906401A FR 3097279 A1 FR3097279 A1 FR 3097279A1
- Authority
- FR
- France
- Prior art keywords
- threaded rod
- washer
- assembly
- threaded
- stud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000011324 bead Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 8
- 230000000717 retained effect Effects 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B17/00—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation
- F16B17/006—Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other and involving plastic deformation of rods or tubes to sheets or plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/02—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
L’invention concerne un assemblage d’un organe d’appui (100) à l’extrémité d’une tige filetée (200), remarquable en ce qu’il comprend en extrémité libre de la tige filetée (200), un téton préformé d’une saillie ou bourrelet annulaire (240) sur lequel est emmanché en force l’organe d’appui (100) telle une rondelle. L’invention concerne également le procédé de fabrication de la tige filetée permettent de mettre en oeuvre ledit assemblage. Figure à publier avec l’abrégé : Fig. 2The invention relates to an assembly of a support member (100) at the end of a threaded rod (200), remarkable in that it comprises at the free end of the threaded rod (200), a preformed stud. a projection or annular bead (240) on which is fitted by force the support member (100) such as a washer. The invention also relates to the method of manufacturing the threaded rod used to implement said assembly. Figure to be published with the abstract: Fig. 2
Description
DOMAINE D’APPLICATION DE L’INVENTIONFIELD OF APPLICATION OF THE INVENTION
L’invention a trait au domaine des pièces de serrage et notamment aux adaptations permettant d’assembler un organe d’appui telle une rondelle à une tige filetée dans les meilleures conditions.The invention relates to the field of clamping parts and in particular to adaptations making it possible to assemble a support member such as a washer to a threaded rod in the best conditions.
DESCRIPTION DE L’ART ANTÉRIEURDESCRIPTION OF PRIOR ART
Il existe une pluralité de solutions pour fixer un organe d’appui telle une rondelle à une extrémité de tige filetée afin de la rendre imperdable. Ces solutions présentent toutes l’inconvénient d’un coût élevé ou d’un temps de montage important.There are a number of solutions for attaching a support member such as a washer to the end of a threaded rod in order to make it captive. These solutions all have the disadvantage of high cost or significant assembly time.
Il existe par exemple les suspentes de poutrelle pour hourdis qui reprennent la configuration d’un serre-joint pour leur fonction de serrage. Dans ces suspentes, un organe d’appui constitué par un chapeau fileté vient se visser à l’extrémité libre de la vis de serrage équipant la suspente. Par rotation, la vis rapproche son extrémité équipée de l’organe d’appui d’une autre surface d’appui à des fins de serrage de ladite suspente.There are, for example, beam hangers for slabs which use the configuration of a clamp for their tightening function. In these lines, a support member consisting of a threaded cap is screwed onto the free end of the tightening screw fitted to the line. By rotation, the screw brings its end fitted with the support member closer to another support surface for the purpose of tightening said hanger.
La solution d’assemblage entre la vis et l’organe d’appui est alors une solution filetée. Ce chapeau fileté intérieurement et moleté extérieurement est une pièce couteuse requérant de plus une opération de vissage pour son assemblage à l’extrémité de la vis.The assembly solution between the screw and the support member is then a threaded solution. This internally threaded and externally knurled cap is an expensive part requiring moreover a screwing operation for its assembly at the end of the screw.
Dans le cadre de la fabrication d’une telle pièce de petite quincaillerie, il est important de diminuer les coûts de fabrication ou de montage.As part of the manufacture of such a piece of small hardware, it is important to reduce manufacturing or assembly costs.
BRÈVE DESCRIPTION DE L’INVENTIONBRIEF DESCRIPTION OF THE INVENTION
Ce que constatant la demanderesse a mené des recherches visant à proposer une solution d’assemblage peu coûteuse en temps et en argent entre un organe d’appui et l’extrémité libre d’une tige filetée.Finding this, the applicant has carried out research aimed at proposing an assembly solution that is inexpensive in terms of time and money between a support member and the free end of a threaded rod.
Ces recherches ont abouti à la conception et à la réalisation d‘un assemblageThis research led to the design and construction of an assembly
d’un organe d’appui à l’extrémité d’une tige filetée, remarquable en ce qu’il comprend en extrémité libre de la tige filetée un téton préformé d’une saillie ou bourrelet annulaire sur lequel est emmanché en force l’organe d’appui telle une rondelle.of a bearing member at the end of a threaded rod, remarkable in that it comprises, at the free end of the threaded rod, a stud preformed with a projection or annular bead on which the member is force-fitted support like a puck.
Il s’agit d’une solution simple et pratique qui permet de rendre imperdable ladite rondelle, cette dernière étant retenue par le bourrelet sur la tige.This is a simple and practical solution which makes it possible to make said washer captive, the latter being retained by the bead on the rod.
Un tel assemblage a toute son utilité dans les suspentes d’accroche de rails pour plaques de plâtre qui utilise ce type de vis avec rondelle d’appui.Such an assembly is very useful in the hanging hangers for plasterboard rails which use this type of screw with support washer.
Selon une autre caractéristique particulièrement avantageuse, les caractéristiques mécaniques de la tige filetée et celles de la rondelle ou organe d’appui sont différentes pour faciliter la pénétration en force de l’un dans l’autre.According to another particularly advantageous characteristic, the mechanical characteristics of the threaded rod and those of the washer or bearing member are different to facilitate the force penetration of one into the other.
Une telle différence dans les caractéristiques mécaniques (telle l’élasticité) peut s’obtenir par différents choix comme par exemple, par la sélection de matériaux différents et/ou par la sélection de traitements (thermiques, de surface, …) différents et/ou par la sélection de formes et de dimensions adaptées.Such a difference in the mechanical characteristics (such as elasticity) can be obtained by different choices such as, for example, by the selection of different materials and/or by the selection of different treatments (thermal, surface, etc.) and/or by selecting suitable shapes and sizes.
Selon une autre caractéristique particulièrement avantageuse, la tige filetée est auto-taraudeuse. Selon un mode de réalisation préféré mais non limitatif, la tige filetée est en acier de classe 12.9.According to another particularly advantageous characteristic, the threaded rod is self-tapping. According to a preferred but non-limiting embodiment, the threaded rod is made of 12.9 grade steel.
Selon une autre caractéristique particulièrement avantageuse, l’acier de la tige filetée est différent de celui de la rondelle et de celui de la suspente.According to another particularly advantageous characteristic, the steel of the threaded rod is different from that of the washer and that of the hanger.
Selon une autre caractéristique particulièrement avantageuse, l’acier de la tige filetée est le même que celui de la rondelle et de celui de la suspente mais a subi des traitements différents.According to another particularly advantageous characteristic, the steel of the threaded rod is the same as that of the washer and that of the hanger but has undergone different treatments.
Selon un mode de réalisation préféré, la rondelle et la vis sont réalisées en acier zingué.According to a preferred embodiment, the washer and the screw are made of zinc-plated steel.
La tige filetée ou vis est auto-taraudeuse pour autoriser son insertion dans la suspente sans définir un filetage dans cette dernière.The threaded rod or screw is self-tapping to allow its insertion into the hanger without defining a thread in the latter.
Ainsi, selon un mode de réalisation préféré, la vis fait d’abord son filetage dans la pièce support ou suspente qui a été percée au préalable. Ensuite, grâce au filetage la vis avance par rapport à la rondelle qui est fixe et le téton pénètre le trou, le bourrelet rentre dans la rondelle rendant imperdable la rondelle par rapport à l’extrémité de la vis.Thus, according to a preferred embodiment, the screw first makes its thread in the support part or hanger which has been drilled beforehand. Then, thanks to the thread, the screw advances in relation to the washer which is fixed and the stud penetrates the hole, the bead enters the washer making the washer captive in relation to the end of the screw.
Selon un autre mode de réalisation, le trou accueillant la vis dans la suspente est déjà taraudé.According to another embodiment, the hole receiving the screw in the hanger is already tapped.
Selon une autre caractéristique particulièrement avantageuse, la tige filetée comporte une partie filetée dont une extrémité se prolonge par un téton non fileté lequel est préformé d’un bourrelet annulaire, la rondelle est retenue sur la portion du téton située entre le bourrelet annulaire et la portion filetée de la tige.According to another particularly advantageous characteristic, the threaded rod comprises a threaded part, one end of which is extended by an unthreaded stud which is preformed with an annular bead, the washer is retained on the portion of the stud located between the annular bead and the threaded rod.
Ainsi, le diamètre du téton est inférieur à celui de la portion filetée et de l’orifice de la rondelle.Thus, the diameter of the pin is smaller than that of the threaded portion and the orifice of the washer.
L’invention concerne également le procédé de fabrication de la tige filetée permettant de mettre en œuvre ledit assemblage.The invention also relates to the process for manufacturing the threaded rod making it possible to implement said assembly.
Selon l’invention, la tige filetée, le téton et le bourrelet annulaire sont obtenus par frappe à froid.According to the invention, the threaded rod, the stud and the annular bead are obtained by cold stamping.
Plus précisément, le bourrelet est obtenu par déformation du téton, une phase de gonflement précédant une phase de repoussage.More specifically, the bead is obtained by deformation of the nipple, a swelling phase preceding a pushback phase.
Lors de la fabrication, une matrice crée ledit bourrelet annulaire avant réalisation du filetage par roulage. Le diamètre extérieur du bourrelet est alors défini inférieur au diamètre de la partie filetée. La partie filetée occupe ainsi une portion de la tige qui se prolonge à une extrémité dite extrémité libre par un téton. During manufacture, a die creates said annular bead before performing the thread rolling. The outer diameter of the bead is then defined smaller than the diameter of the threaded part. The threaded part thus occupies a portion of the rod which is extended at one end called the free end by a stud.
Ce diamètre extérieur du bourrelet est défini pour permettre l’emmanchement en force d’une rondelle d’appui, cette dernière étant alors retenue entre ledit bourrelet et la partie filetée.This outer diameter of the bead is defined to allow the force fitting of a support washer, the latter then being retained between said bead and the threaded part.
Selon une autre caractéristique ledit bourrelet est préformé entre l’extrémité du téton et la partie filetée de sorte que la rondelle puisse s’engager sur le téton avant d’être soumise à la contrainte d’un montage en force.According to another characteristic, said bead is preformed between the end of the stud and the threaded part so that the washer can engage on the stud before being subjected to the constraint of a force fitting.
De plus, le diamètre du téton est réalisé de sorte qu’il soit inférieur au diamètre de l’orifice de la rondelle et définisse un jeu.In addition, the diameter of the pin is made so that it is less than the diameter of the hole in the washer and defines a game.
Un tel procédé permet d’obtenir avec un coût peu élevé une tige filetée préformée pour rendre imperdable une rondelle.Such a process makes it possible to obtain, at low cost, a preformed threaded rod to make a washer captive.
Les concepts fondamentaux de l’invention venant d’être exposés ci-dessus dans leur forme la plus élémentaire, d’autres détails et caractéristiques ressortiront plus clairement à la lecture de la description qui suit et en regard des dessins annexés, donnant à titre d’exemple non limitatif, un mode de réalisation d’un assemblage et d’un procédé de fabrication conformes à l’invention.The fundamental concepts of the invention having just been explained above in their most elementary form, other details and characteristics will emerge more clearly on reading the description which follows and with regard to the appended drawings, giving by way of illustration non-limiting example, an embodiment of an assembly and of a method of manufacture in accordance with the invention.
La figure 1 est un dessin schématique d’une vue extérieure de côté d’une suspente recevant un mode de réalisation l’assemblage conforme à l’invention ;Figure 1 is a schematic drawing of an exterior side view of a hanger receiving an embodiment of the assembly according to the invention;
La figure 2 est un dessin schématique d’une vue extérieure de la vis et de la rondelle d’appui avant assemblage ;Figure 2 is a schematic drawing of an external view of the screw and the support washer before assembly;
La figure 3 est un dessin schématique d’une vue en coupe de la rondelle d’appui emmanchée sur l’extrémité de la vis.Figure 3 is a schematic drawing of a sectional view of the thrust washer fitted onto the end of the screw.
DESCRIPTION D’UN MODE DE RÉALISATIONDESCRIPTION OF AN EMBODIMENT
Comme illustré sur le dessin de la figure 1, l’assemblage entre la rondelle 100 et la vis 200 équipe une suspente 300 telle celle utilisée pour la fixation sur poutrelle (non illustrée). Cette suspente 300 reprend en vue de côté la configuration d’un serre-joint. La rotation de la vis dans un sens ou dans l’autre éloigne ou rapproche la rondelle (qui a une course en translation) d’une surface d’appui.As illustrated in the drawing of Figure 1, the assembly between the washer 100 and the screw 200 equips a hanger 300 such as that used for the fixing on the beam (not illustrated). This 300 hanger shows in side view the configuration of a clamp. The rotation of the screw in one direction or the other moves the washer (which has a translation stroke) away from or closer to a support surface.
Comme illustré sur le dessin de la figure 2, la vis 200 comporte :As illustrated in the drawing of Figure 2, the screw 200 comprises:
- une tête fraisée 210,- a countersunk head 210,
- une tige filetée 220 démarrant à partir de la tête,- a threaded rod 220 starting from the head,
- un téton (non fileté) 230 en extrémité libre de tige.- a stud (unthreaded) 230 at the free end of the rod.
Ce téton 230 est préformé d’un bourrelet annulaire 240 faisant saillie par rapport au diamètre du téton 230 mais de diamètre inférieur au diamètre de la partie filetée de la tige filetée 220.This stud 230 is preformed with an annular bead 240 protruding from the diameter of the stud 230 but of a diameter smaller than the diameter of the threaded part of the threaded rod 220.
L’assemblage consiste en l’emmanchement en force selon la flèche F1 de la rondelle 100 sur l’extrémité libre de la vis constituée par le téton 230. Ledit bourrelet 240 est préformé entre l’extrémité du téton 230 et la fin de filetage. La rondelle 100 peut ainsi être guidée par une portion du téton avant emmanchement.Assembly consists of force-fitting according to arrow F1 of washer 100 onto the free end of the screw formed by stud 230. Said bead 240 is preformed between the end of stud 230 and the end of the thread. The washer 100 can thus be guided by a portion of the stud before fitting.
Comme illustré sur le dessin de la figure 3, une fois emmanchée la rondelle 100 est retenue par le bourrelet 240 et par la fin du filetage de la tige filetée 220. Le diamètre du téton 230 est réalisé de sorte qu’il est inférieur au diamètre de l’orifice de la rondelle 100 et définit un jeu. La portion du téton 230 accueillant la rondelle entre le bourrelet 240 et la fin de la portion filetée est plus large que l’épaisseur de la rondelle 100 définissant ainsi également un jeu. Ces jeux autorisent une liberté de positionnement angulaire pour la rondelle 100 qui peut ainsi proposer un meilleur appui.As illustrated in the drawing of Figure 3, once fitted the washer 100 is retained by the bead 240 and by the end of the thread of the threaded rod 220. The diameter of the pin 230 is made so that it is less than the diameter of the orifice of the washer 100 and defines a clearance. The portion of the pin 230 accommodating the washer between the bead 240 and the end of the threaded portion is wider than the thickness of the washer 100 thus also defining a clearance. games allow freedom of angular positioning for the washer 100 which can thus offer better support.
On comprend que l’assemblage et le procédé qui viennent d’être ci-dessus décrits et représentés, l’ont été en vue d’une divulgation plutôt que d’une limitation. Bien entendu, divers aménagements, modifications et améliorations pourront être apportés à l’exemple ci-dessus, sans pour autant sortir du cadre de l’invention.It is understood that the assembly and the method which have just been described and represented above, have been for the purpose of disclosure rather than limitation. Of course, various arrangements, modifications and improvements may be made to the above example, without departing from the scope of the invention.
Claims (9)
CARACTÉRISÉ PAR LE FAIT QU’il comprend en extrémité libre de la tige filetée (200), un téton préformé d’une saillie ou bourrelet annulaire (240) sur lequel est emmanché en force l’organe d’appui (100) telle une rondelle.1. Assembly of a support member (100) at the end of a threaded rod (200),
CHARACTERIZED BY THE FACT THAT it comprises, at the free end of the threaded rod (200), a preformed stud with a projection or annular bead (240) onto which the bearing member (100) is force-fitted, such as a washer .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1906401A FR3097279B1 (en) | 2019-06-14 | 2019-06-14 | Assembly of a support member at the end of a threaded rod and method of manufacturing the threaded rod |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1906401 | 2019-06-14 | ||
| FR1906401A FR3097279B1 (en) | 2019-06-14 | 2019-06-14 | Assembly of a support member at the end of a threaded rod and method of manufacturing the threaded rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR3097279A1 true FR3097279A1 (en) | 2020-12-18 |
| FR3097279B1 FR3097279B1 (en) | 2021-05-28 |
Family
ID=67810925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1906401A Active FR3097279B1 (en) | 2019-06-14 | 2019-06-14 | Assembly of a support member at the end of a threaded rod and method of manufacturing the threaded rod |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR3097279B1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US171078A (en) * | 1875-12-14 | Improvement in screws for knobs | ||
| FR606122A (en) * | 1924-11-15 | 1926-06-08 | Improvements made to mechanical parts comprising, on a rod, an open part, such as in particular bolts | |
| US2366459A (en) * | 1943-10-26 | 1945-01-02 | Anthony G Rosa | Electrode |
| US5851095A (en) * | 1998-04-14 | 1998-12-22 | Southco, Inc. | Captive screw |
| DE202016103999U1 (en) * | 2016-07-12 | 2016-08-18 | Fairchild Fasteners Europe - Camloc Gmbh | Insert for connecting an electrical connection to a wall |
-
2019
- 2019-06-14 FR FR1906401A patent/FR3097279B1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US171078A (en) * | 1875-12-14 | Improvement in screws for knobs | ||
| FR606122A (en) * | 1924-11-15 | 1926-06-08 | Improvements made to mechanical parts comprising, on a rod, an open part, such as in particular bolts | |
| US2366459A (en) * | 1943-10-26 | 1945-01-02 | Anthony G Rosa | Electrode |
| US5851095A (en) * | 1998-04-14 | 1998-12-22 | Southco, Inc. | Captive screw |
| US5851095C1 (en) * | 1998-04-14 | 2001-10-16 | Southco | Captive screw |
| DE202016103999U1 (en) * | 2016-07-12 | 2016-08-18 | Fairchild Fasteners Europe - Camloc Gmbh | Insert for connecting an electrical connection to a wall |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3097279B1 (en) | 2021-05-28 |
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| FR3106867A1 (en) | Nut comprising a pivoting washer having an eccentric through hole, bolt comprising said nut and assembly comprising at least one such bolt |
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