EP0476812B1 - Clip de support - Google Patents

Clip de support Download PDF

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Publication number
EP0476812B1
EP0476812B1 EP91306685A EP91306685A EP0476812B1 EP 0476812 B1 EP0476812 B1 EP 0476812B1 EP 91306685 A EP91306685 A EP 91306685A EP 91306685 A EP91306685 A EP 91306685A EP 0476812 B1 EP0476812 B1 EP 0476812B1
Authority
EP
European Patent Office
Prior art keywords
slot
clip
tongue
longitudinally extending
members
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.)
Expired - Lifetime
Application number
EP91306685A
Other languages
German (de)
English (en)
Other versions
EP0476812A1 (fr
Inventor
Michael Joseph Keating
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HERCULES PILING Ltd
Original Assignee
HERCULES PILING Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HERCULES PILING Ltd filed Critical HERCULES PILING Ltd
Publication of EP0476812A1 publication Critical patent/EP0476812A1/fr
Application granted granted Critical
Publication of EP0476812B1 publication Critical patent/EP0476812B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • E04C5/203—Circular and spherical spacers
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form

Definitions

  • This invention relates to. a retaining clip and is particularly, although not exclusively, concerned with clips for use in the manufacture of reinforced piling or the like in which a first longitudinally extending member is arranged to have secured to it and at an angle thereto a second longitudinally extending member which has a bend therein.
  • the invention also relates to other applications and structures where two longitudinal members have to be retained in relative positions and examples of these include frameworks for holding tents or covers as well as in other parts of the construction industry where steel reinforcement is used in beams and slabs, whether cast on site or precast.
  • the reinforcing elements are usually longitudinal extending steel rods, known as rebars, and it is necessary for these to be correctly spaced and retained, relative to each other within the mould while the concrete is applied and sets.
  • a current method of making the cages comprises laying out in disposed relationship four lengths of reinforcing rods and securing these relative to each other in a square or rectangular formation by winding a further rod helically around their outside.
  • the rod that is wound around the outside is conveniently preformed as a coil of a square cross-section and is drawn out along and over the reinforcing rods to lay along their length to form a cage.
  • the helical rod crosses the reinforcing rod at an angle which is usually of the order of between 50° and 75° to the reinforcing rod.
  • the reinforcing rods sometimes it is necessary also for the reinforcing rods to comprise not only one length of rod but two lengths of rod parallelly arranged and adjacent to each other so that a cage would be made up of pairs of rods in each corner. It is also necessary when this construction is adopted to tie the rods together and to tie them with the helical rod and the wire tie system can be used for this purpose.
  • DE-U-8910691 describes a spacer which is designed to receiver perpendicularly extending rods.
  • the spacer defines first and second slots or channels.
  • a first channel is defined by a base and side walls and receives one of the rods.
  • the upper part of the side walls are formed to define a slot for receiving the other rod which can be retained by a flexible tongue.
  • a retaining clip in or for use in the manufacture of reinforced piling or the like in which a first longitudinally extending member is arranged to have secured to it, and at an angle thereto, a second longitudinally extending member which has a bend therein, the clip comprising a generally planar body having a perimeter portion, a first slot having a length transverse to the plane of the body, extending inwardly from said perimeter portion, said first slot being bounded on one side by a flexible tongue which in use engages and retains the first of the longitudinally extending members, and a second slot having a length generally in the plane of the body and extending through said tongue, characterised in that said first slot is bounded on another side by a fixed wall portion which also forms a first part of the base of the second slot, said second slot including a second base part extending at an angle to said first part to define a bend in the length of the second slot, whereby said second slot can receive said second longitudinally extending member with the bend.
  • the body is preferably of a generally circular or part circular configuration, although it may be, in special applications, of a generally rectangular form.
  • the body is preferably constructed of an inert flexible plastics material such, for example, as polyethylene.
  • the second slot may be only in the flexible tongue and in that part of the body from which the tongue depends.
  • the inner surface of the inwardly directed first slot is provided with a groove over part or all of its surface to receive the said second member.
  • the perimeter of the body is preferably provided with a plurality of spacer members projecting in the plane of the element and these may be formed by a series of protuberances which may be radial in direction.
  • apertures may be formed in the body so that the clips are properly embedded in the piling when it is manufactured.
  • the inwardly directed first slot is of such a depth that it may accommodate a plurality of first longitudinally extending members side by side and retain them in the slot under the action of the flexible tongue.
  • the wall portion of the inwardly directed slot may include retaining projections over which the longitudinally extending members ride in insertion and against which they are held by the action of the flexible tongue. Recesses or similar projections may also be carried on the face of the tongue abutting, in use, the longitudinal members.
  • the exterior thereof may be provided with stiffening ribs.
  • the element may conveniently be manufactured by a moulding technique.
  • a method of retaining two longitudinal elements at an angle relative to each other comprises locating the element in the desired relative positions and applying a clip member according to said one aspect, such that the first member engages in the slot and is retained therein by the flexible tongue and said tongue and the part of the body having the second slot in the plane of the body in which the said second member engages and is positioned below the first member in the body and is held by a clipping action in the device by the action of the tongue.
  • a method of manufacturing a reinforced piling comprises steps of positioning a plurality of parallel longitudinally extending spaced members in an array, winding a spiral reinforcing rod around the said spaced members, securing the rod to selected of the members with a retaining clip according to said one aspect wherein part of the spiral reinforcing rod is inserted into the said second slot in a position such that the spiral reinforcing rod is located under the first longitudinally extending member and is held firmly in the clip against the said first longitudinally extending member by the action of the flexible tongue.
  • a second parallel longitudinally extending member may also be included within the first slot and be held by the flexible tongue, in such a case the body may be provided with projections for locating the individual longitudinal members.
  • the planar member may be provided with a groove in which the spiral rod is located.
  • the groove would lie in the plane of the element.
  • FIG. 1 shows a section of a cage being made up to reinforce a concrete piling.
  • the cage is of a generally rectangle form and comprises at the corners pairs of longitudinally extending members 1; 2; 3; 4; ,5; 6; 7; 8.
  • In manufacture these are laid out on support rollers and a coil of reinforcing rod 9 is pulled out from a stock over the outside of the rods 1 to 8.
  • the internal dimension of the coil of the rod 9 is such that it passes over the rods 1 to 8 and the ends of the coil are secured so that the coil has a helical appearance.
  • pairs of rods it is necessary for the pairs of rods to be secured together and for the tie rod 9 to be connected intermittently to the pairs of rods.
  • the individual coils of the rod 9 also need to be arranged so that they are substantially equally spaced along the length of the cage.
  • the securing is achieved by the use of a clip 10 shown schematically in Figure 1.
  • the clip according to the invention is shown in Figures 2, 3 and 4, to which reference is now made.
  • the clip comprises a generally planar element 10 which in this example is of a generally circular form and is moulded from a resilient polyethylene material.
  • the element 10 comprises a perimeter rib 11 connected to a central moulding part 12 by a series of spokes 13.
  • An upstanding section 14 is moulded to the central part 12 and this defines with one of the spokes 13 a first inwardly directed slot 15. From the top of the upstanding section 14 an inwardly directed flexible tongue 16 projects towards the centre of the element 10.
  • Both the upstanding section 14 and the flexible tongue 16 have a second slot 25 formed in them.
  • This slot lies in the plane of the element 10 and is more clearly seen from Figure 3, in which the spoke 13 defining the other wall 17 of the first slot 15 is not illustrated.
  • the section 14 and the tongue 16 have a fork like appearance.
  • the tongue itself projects at an angle from the top of the section 14 and its free end which is directed to the centre of the planar element 10 and, as can be seen from Figure 2, the active profile i.e. the profile towards the slot 15 of the tongue is not flat but is recessed as at 19.
  • a projection or protuberance 20 is included on the wall 18 for retention purposes.
  • the perimeter rib 11 has a plurality of external projections 21 which are used as spacing projections when the cage is placed in a mould for producing a piling.
  • the tongue 16 Since the tongue 16 is flexible and resilient it will be forcing the rods against the wall 17 and will hold them carefully and firmly in position and will also trap the winding rod 9 so that the whole configuration of the members 7, 8 and the rod 9 is maintained at the correct relative angle.
  • the clip is easy to fix merely by placing it in the correct position and tapping it with a mallet. This causes the flexible tongue to flex sufficiently to pass over the members 7,8 with the rod 9 slipping through the second slot 25.
  • the clips are not placed at every junction between the rod and the elongate members. They are selectively placed around the cage so as to provide a sufficiently firm gripping of the cage parts so that they are held correctly and relatively rigidly.
  • the cage When the cage is assembled, it is lifted and placed in a mould which is basically a trough.
  • the projections 21 space the reinforcing members 1 to 8 and the rod 9 in the correct position relative to the walls of the trough and concrete is able to be poured into the trough to fill the spaces between the reinforcing members and also to pass between the spokes 13 of the element 10 to ensure that there is a continuity of the structure of the pile and that the clips of the invention do not have any deleterious effect on the structure.
  • the clip according to the invention enables the various parts of the cage to be held together in a simple yet effective manner and, since the clip itself is made of a single moulding of plastics material, it is cheap to manufacture.
  • the application is easy, requiring no special tools and there is no wastage of material such as with the wire tying method previously used.
  • the invention may be varied depending on the type of cage or other construction in which the longitudinal elements are being joined. If the rod 9 was bent to other angles, the slot 9 and wall 17 would be modified in position accordingly.

Landscapes

  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Clamps And Clips (AREA)
  • Sheet Holders (AREA)
  • Motor Or Generator Frames (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Fluid-Damping Devices (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Claims (17)

  1. Pince de retenue utilisée dans ou pour la fabrication de pieux armés ou analogues, dans lequel un premier élément (7, 8) s'étendant longitudinalement est disposé de manière que lui soit fixé, en faisant un angle avec lui, un second élément (9) s'étendant longitudinalement et comportant un coude, la pince comprenant un corps (10) globalement plat et comportant une partie périphérique (11), une première fente (15) dont la longueur est transversale au plan du corps (10), s'étendant vers l'intérieur depuis ladite partie périphérique (11), ladite première fente étant délimitée sur un de ses côtés par une languette flexible (16) qui, pendant l'utilisation, porte contre le premier (7, 8) des éléments s'étendant longitudinalement et le retient, et une seconde fente (25) ayant une longueur se trouvant d'une façon générale dans le plan du corps et s'étendant à travers ladite languette, caractérisée en ce que ladite première fente (15) est délimitée sur un autre côté par une partie de paroi fixe (17) qui forme aussi une première partie de la base de la seconde fente (25), ladite seconde fente comprenant une seconde partie de base s'étendant en faisant un angle avec ladite première partie de manière à définir un coude dans la longueur de la seconde fente, grâce à quoi ladite seconde fente (25) peut recevoir avec le coude ledit second élément (9) s'étendant longitudinalement.
  2. Pince de retenue selon la revendication 1, dans laquelle lesdites parties de base de la seconde fente sont adaptées pour recevoir et retenir un second élément comportant un coude sensiblement de 90°.
  3. Pince selon la revendication 1 ou 2, caractérisée en ce que le corps (10) a une configuration globalement circulaire ou partiellement circulaire.
  4. Pince selon la revendication 1 ou 2, caractérisée en ce que le corps (10) a une forme globalement rectangulaire.
  5. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps (10) est réalisé en une matière plastique flexible et inerte.
  6. Pince selon la revendication 5, caractérisée en ce que le matériau est du polyéthylène;
  7. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que la seconde fente (25) se trouve uniquement dans la languette flexible (16) et dans la partie (14) du corps (10) à partir de laquelle la languette (16) s'étend vers le bas.
  8. Pince selon l'une quelconque des revendications précédentes, dans laquelle la première fente (15) dirigée vers l'intérieur est pourvue d'une rainure (18) sur une partie ou sur la totalité de sa surface pour recevoir ledit second élément (9).
  9. Pince selon l'une quelconque des revendications précédentes caractérisée en ce que la périphérie du corps (10) est pourvu d'une pluralité d'éléments d'espacement (21) faisant saillie dans le plan du corps et ces éléments sont formés par une série de protubérances dont la direction est radiale.
  10. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle comprend des ouvertures définies par des rayons (13) dans le corps (10).
  11. Pince selon l'une quelconque des revendications précédentes caractérisée en ce que la partie formant paroi (17) de la première fente (15) dirigée vers l'intérieur comprend des saillies de retenue (20) sur lesquelles peuvent se déplacer les éléments s'étendant longitudinalement (1, 2, 3, 4, 5, 6, 7, 8) lors de l'insertion et contre lesquelles ces éléments peuvent être maintenus par l'action de la languette flexible (16).
  12. Pince selon la revendication 11, caractérisée en ce que des évidements (19) sont formés sur la face de la languette (16) qui, pendant l'utilisation, vient buter contre les éléments longitudinaux (1, 2, 3, 4, 5, 6, 7, 8).
  13. Pince selon l'une quelconque des revendications précédentes, caractérisée en ce que, pour maintenir le corps (10) sous forme d'un élément relativement rigide, l'extérieur de ce corps est pourvu de nervures ou rayons de renforcement (13).
  14. Procédé pour retenir deux éléments longitudinaux (7, 8) (9) faisant un angle l'un avec l'autre, comprenant la mise en place des éléments (7, 8) (9) dans les positions relatives désirées et l'application d'un élément formant pince selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier élément (8) est engagé dans la première fente (15) et y est retenu par la languette flexible (16), et ladite languette ainsi que la partie du corps comportant la seconde fente (25) dans le plan du corps, dans laquelle le second élément (9) est engagé et est positionné en dessous du premier élément (8) se trouvant dans le corps et est maintenu par une action de pinçage du fait de l'action de la languette (16).
  15. Procédé de fabrication d'un pieux armé, comprenant les étapes consistant à positionner une pluralité d'éléments espacés (1, 2, 3, 4, 5, 6, 7, 8) s'étendant longitudinalement en un réseau, à enrouler en hélice une barre de renforcement (9) autour desdits éléments espacés, à fixer la barre à des éléments choisis parmi les éléments avec une pince de retenue selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la partie de la barre de renforcement hélicoïdal (9) est insérée dans ladite seconde fente (25) dans une position telle que la barre de renforcement hélicoïdale (9) se trouve sous le premier élément (8) s'étendant longitudinalement et est maintenue fermement dans la pince contre ledit premier élément (8) s'étendant longitudinalement par l'action de la languette flexible (16).
  16. Procédé selon la revendication 15, caractérisé en ce qu'un second élément parallèle (7) s'étendant longitudinalement est aussi inclus dans la première fente (15) et est maintenu par la languette flexible (16), le corps (10) étant pourvu de saillies (20) destinées à positionner les éléments longitudinaux individuels (7, 8).
  17. Procédé selon les revendications 16 ou 17 quand celles-ci sont rattachées à la revendication 8 ou à n'importe quelle revendication qui en dépend, caractérisé en ce que la barre hélicoïdale (9) est située dans la rainure (18) se trouvant dans le plan du corps.
EP91306685A 1990-08-15 1991-07-23 Clip de support Expired - Lifetime EP0476812B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9017876 1990-08-15
GB9017876A GB2248263B (en) 1990-08-15 1990-08-15 Retaining clip

Publications (2)

Publication Number Publication Date
EP0476812A1 EP0476812A1 (fr) 1992-03-25
EP0476812B1 true EP0476812B1 (fr) 1996-06-05

Family

ID=10680677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91306685A Expired - Lifetime EP0476812B1 (fr) 1990-08-15 1991-07-23 Clip de support

Country Status (9)

Country Link
EP (1) EP0476812B1 (fr)
AT (1) ATE139000T1 (fr)
DE (1) DE69120009D1 (fr)
DK (1) DK0476812T3 (fr)
FI (1) FI913851A (fr)
GB (1) GB2248263B (fr)
IE (1) IE912425A1 (fr)
NO (1) NO913144L (fr)
PT (1) PT98667A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104074193B (zh) * 2014-07-11 2015-12-30 大连理工大学 自升式钻井平台桩腿柔性胎具
US11987982B2 (en) * 2021-12-02 2024-05-21 Disney Enterprises, Inc. Structural support system for rockwork with mechanical fastening of adjacent chip assemblies

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7118881U (de) * 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
NL7404242A (fr) * 1973-04-07 1974-10-09
AU2715377A (en) * 1976-10-18 1979-01-25 Rapid Metal Developments Austr Reinforcement spacer
FR2410102A1 (fr) * 1977-11-28 1979-06-22 Moreau Pierre Perfectionnements apportes aux distanceurs ecarteurs pour la fixation de treillis d'armature dans la fabrication de murs en beton
DE2804774A1 (de) * 1978-02-04 1979-08-09 Dausend Hans Werner Scheibenfoermiger abstandhalter fuer betonbewehrungsstaebe
US4617775A (en) * 1984-09-04 1986-10-21 John Padrun Extensible reinforcing bar assembly and clip
DE3700041A1 (de) * 1987-01-02 1988-07-14 Dausend Hans Werner Bewehrungs-abstandhalter
FR2639055B1 (fr) * 1988-11-17 1991-02-08 Sonneville Int Clip pour l'assemblage de barres d'armature, armature ainsi assemblee, procede et produit en beton arme en comportant application
DE8910691U1 (de) * 1989-09-08 1989-11-02 Dausend, Hans-Werner, 5600 Wuppertal Bewehrungs-Abstandhalter

Also Published As

Publication number Publication date
DE69120009D1 (de) 1996-07-11
PT98667A (pt) 1993-09-30
ATE139000T1 (de) 1996-06-15
GB9017876D0 (en) 1990-09-26
EP0476812A1 (fr) 1992-03-25
GB2248263A (en) 1992-04-01
GB2248263B (en) 1994-05-25
FI913851A (fi) 1992-02-16
IE912425A1 (en) 1992-02-26
NO913144L (no) 1992-02-17
DK0476812T3 (da) 1996-10-21
FI913851A0 (fi) 1991-08-14
NO913144D0 (no) 1991-08-12

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