EP0392880A1 - Befestigungssystem für offene Profile - Google Patents

Befestigungssystem für offene Profile Download PDF

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Publication number
EP0392880A1
EP0392880A1 EP90304427A EP90304427A EP0392880A1 EP 0392880 A1 EP0392880 A1 EP 0392880A1 EP 90304427 A EP90304427 A EP 90304427A EP 90304427 A EP90304427 A EP 90304427A EP 0392880 A1 EP0392880 A1 EP 0392880A1
Authority
EP
European Patent Office
Prior art keywords
bracket
channel member
shuttering
fixing system
channel
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
Application number
EP90304427A
Other languages
English (en)
French (fr)
Other versions
EP0392880B1 (de
Inventor
Thomas Campbell Wallace
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.)
GEORGE CLARK (SHEFFIELD) LIMITED
Original Assignee
GEORGE CLARK (SHEFFIELD) Ltd
Rawlplug Co 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 GEORGE CLARK (SHEFFIELD) Ltd, Rawlplug Co Ltd filed Critical GEORGE CLARK (SHEFFIELD) Ltd
Priority to AT90304427T priority Critical patent/ATE74644T1/de
Publication of EP0392880A1 publication Critical patent/EP0392880A1/de
Application granted granted Critical
Publication of EP0392880B1 publication Critical patent/EP0392880B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails

Definitions

  • This invention relates to a fixing system for a channel member.
  • Channel members are used in the building industry as anchorages embedded in concrete, so that on setting of the concrete the channel can receive the head of a tee-headed bolt, to the screw-threaded shank of which is then secured items of machinery, brackets or other fittings.
  • the channel member In order to embed the channel member in the concrete it is necessary to mask the channel against the ingress of the fluid concrete, and to secure the channel member to shuttering defining the desired form of the concrete. At present, the channel is provided with holes in its base, and through these the member is nailed to the shuttering.
  • a securing method does not provide full rigidity of the channel member on the shuttering, and after the concrete has cured and the shuttering removed the nails remain extending into the channel and have to be broken, or bent along the base of the channel, to provide access for the tee-headed bolt.
  • a fixing system for a channel member comprising a bracket having means for allowing its securement to shuttering, and means on the bracket co-operative with the channel member to provide a substantially rigid connection therewith.
  • the bracket is engageable with an end portion of the channel member thereby to provide a closure for said end portion during pouring of the concrete.
  • the means for allowing securement to the shuttering is provided by a through hole in the bracket for passage of a nail which will secure the bracket and the channel member to the shuttering.
  • the through hole is directed so as to be normal to the base of the channel in use.
  • the bracket may take the form of a fitment to be secured to the shuttering prior to the application of the channel member thereto.
  • a snap-type connection may be provided between the bracket and the channel member so that after securing the bracket to the shuttering the channel member can be easily fitted to it, and after the concrete has set the bracket is removed from the channel member along with the shuttering, so that there are no residual nails on the channel member which is then ready to receive the tee-headed bolt.
  • a bracket 1 is generally rectangular in front view (Fig. 1) and is formed from 4 mm thick polypropylene.
  • a side wall 2 extends from three sides of the bracket 1, its inner corners 4 being radiussed to correspond to the radius of the base of a channel member on which it is to fit.
  • An apertured boss 6 is integrally formed along a portion of the side wall 2, and a through bore 8 within the boss 6 extends parallel to the side portion of the side wall 2.
  • the through bore 8 has four projections 9 which each have a tapered end 11, which is recessed within the bore 8 adjacent the top end 7 of the boss 6.
  • the four projections 9 extend from the tapered ends 11, along the inside of the bore 8 to a base 13 of the boss 6.
  • the bracket 1 has a generally rectangular gap 10 defined by its rear and side walls, and a tang 12 projects from the side wall 2 into the gap 10.
  • the lower edge of the gap 10 as defined by the rear wall has a further resilient lip 14 extending inwardly of the bracket 1.
  • a pair of projections 16 of rectangular cross-section project from a lower part of the rear wall of the bracket inwardly of the bracket 1.
  • the bracket 1 is installed on a channel member 18 as shown in Fig. 5, with a leg 20 of the channel member being threaded through the gap 10 until the bracket fits tightly around an open end face of the channel member and is held thereon by engagement of the bracket on the outer surface of the channel member's wall.
  • the bracket is then held in position by engagement of the tang 12 and the lip 14 with the leg 20, while the projections 16 engage within respective grooves formed along the channel member by virtue of its side walls being bent inwardly and upwardly to provide a retaining face for the tee-headed bolt.
  • the brackets When thus installed, the brackets close off the ends of the channel member to concrete poured into the shuttered volume, and the open channel itself is closed by abutment against the shuttering; the interior of the channel is thus effectively sealed against ingress of concrete, and when the concrete has set the shuttering can be removed by forcing it free of the nails through which it is held to the channel member.
  • the nails are positioned at the ends of the channel member and do not interfere with the function of the channel in receiving a tee-headed bolt slidable along the channel.
  • the position of the apertured boss 6 on a side of the bracket ensures that the channel member is secured to the shuttering at diagonally opposed end locations, thus providing full stability for the fixture.
  • This embodiment of the invention not only avoids the need for deflecting or breaking nails inserted through the base of the channel, but also ensures that the nails are supported within the apertures 8 over a longer distance than with such prior art arrangements, thus providing greater resistance to bending and greater rigidity for the channel member on the shuttering. It also provides for the nails to be supplied already inserted in the aperture 8 and held therein by friction with the aperture wall, thus reducing frustration caused by lack or loss of nails during fitting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Seal Device For Vehicle (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Clamps And Clips (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Supports For Pipes And Cables (AREA)
EP90304427A 1989-04-26 1990-04-25 Befestigungssystem für offene Profile Expired - Lifetime EP0392880B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90304427T ATE74644T1 (de) 1989-04-26 1990-04-25 Befestigungssystem fuer offene profile.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8909583 1989-04-26
GB898909583A GB8909583D0 (en) 1989-04-26 1989-04-26 Fixing system for a channel member

Publications (2)

Publication Number Publication Date
EP0392880A1 true EP0392880A1 (de) 1990-10-17
EP0392880B1 EP0392880B1 (de) 1992-04-08

Family

ID=10655773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90304427A Expired - Lifetime EP0392880B1 (de) 1989-04-26 1990-04-25 Befestigungssystem für offene Profile

Country Status (4)

Country Link
EP (1) EP0392880B1 (de)
AT (1) ATE74644T1 (de)
DE (1) DE69000055D1 (de)
GB (1) GB8909583D0 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319985A (en) * 1963-11-18 1967-05-16 Fry Reglet Corp Reglet
DE2916005B1 (de) * 1979-04-20 1980-09-11 Fricker Frimeda Metall Draht Formstueck fuer die Erzeugung von Aussparungen an der Oberflaeche von Beton-Bauteilen bei deren Herstellung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319985A (en) * 1963-11-18 1967-05-16 Fry Reglet Corp Reglet
DE2916005B1 (de) * 1979-04-20 1980-09-11 Fricker Frimeda Metall Draht Formstueck fuer die Erzeugung von Aussparungen an der Oberflaeche von Beton-Bauteilen bei deren Herstellung

Also Published As

Publication number Publication date
EP0392880B1 (de) 1992-04-08
ATE74644T1 (de) 1992-04-15
GB8909583D0 (en) 1989-06-14
DE69000055D1 (de) 1992-05-14

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