EP2697445B1 - Reinforcement for casting comprising essentially plane reinforcement elements formed with ring-shaped portions - Google Patents

Reinforcement for casting comprising essentially plane reinforcement elements formed with ring-shaped portions Download PDF

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Publication number
EP2697445B1
EP2697445B1 EP12771558.9A EP12771558A EP2697445B1 EP 2697445 B1 EP2697445 B1 EP 2697445B1 EP 12771558 A EP12771558 A EP 12771558A EP 2697445 B1 EP2697445 B1 EP 2697445B1
Authority
EP
European Patent Office
Prior art keywords
reinforcement
ring
reinforcement elements
elements
smaller
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.)
Not-in-force
Application number
EP12771558.9A
Other languages
German (de)
French (fr)
Other versions
EP2697445A1 (en
EP2697445A4 (en
Inventor
Johan Persson
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.)
SVENSK CELLARMERING FABRIK AB
Original Assignee
SVENSK CELLARMERING FABRIK AB
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 SVENSK CELLARMERING FABRIK AB filed Critical SVENSK CELLARMERING FABRIK AB
Publication of EP2697445A1 publication Critical patent/EP2697445A1/en
Publication of EP2697445A4 publication Critical patent/EP2697445A4/en
Application granted granted Critical
Publication of EP2697445B1 publication Critical patent/EP2697445B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E04C5/04—Mats
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/012—Discrete reinforcing elements, e.g. fibres
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal

Definitions

  • the present invention relates-to a reinforcement .
  • it relates to such a reinforcement for casting.
  • an object of the invention is to provide a reinforcement being formed such that assembling of reinforcement elements to an integral reinforcement is facilitated.
  • the invention relates to a reinforcement for casting comprising essentially plane reinforcement elements 1 a-d, 2a-e formed with ring-shaped portions 3a-e arranged in a row along a line and connected to each other with necks.
  • the reinforcement comprises at least one set of smaller reinforcement elements 1 a-d, 2e and one set of larger reinforcement elements 2a-d, wherein the outer diameter of the ring-shaped portions of the smaller reinforcement elements is essentially the same size as the inner diameter of the ring-shaped portions of the larger reinforcement elements.
  • At least one ring-shaped portion of a smaller reinforcement element is arranged inside a ring-shaped portion of a larger reinforcement element.
  • the outer diameter of the ring-shaped portions of the smaller reinforcement elements is slightly larger than the inner diameter of the ring-shaped portions of the larger reinforcement elements, such that the reinforcement is pre-tensioned when the smaller reinforcement elements are arranged inside the larger reinforcement elements.
  • the smaller reinforcement elements comprise locking portions 4 arranged to lock the smaller reinforcement elements together with the larger.
  • the locking portions may be formed as pairs of teeth with a gap therebetween, wherein the locking portions are arranged on the periphery of the ring-shaped portions 3a-e farthest away from the center line of the smaller reinforcement elements.
  • Fig. 1 shows a first embodiment of the reinforcement seen obliquely from above.
  • the reinforcement comprises four larger reinforcement elements 1 a-d arranged in parallel and four smaller reinforcement elements 2a-d arranged in parallel.
  • the four smaller reinforcement elements, which are arranged in parallel, are arranged side by side with a distance between two adjacent smaller reinforcement elements, and the four larger reinforcement elements, which are arranged in parallel, are correspondingly arranged side by side with a distance between two adjacent larger reinforcement elements.
  • Both types of reinforcement elements are formed by elongated, essentially plane elements.
  • the longest direction of extension of the reinforcement elements constitute the lengthwise direction of the elements, and the lengthwise direction of the larger reinforcement elements is arranged at a right angle to the lengthwise direction of the smaller reinforcement elements.
  • Both types of reinforcement elements are formed by a row of essentially ring-shaped portions arranged along a straight line and connected to each other with necks.
  • These necks are, in the illustrated embodiment, formed by portions with smoothly curved edges, i.e. without sharp corners which may constitute indications of fracture, but the ring-shaped elements may of course be formed in other ways.
  • the smaller reinforcement elements 2a-d extend through the ring-shaped portions of the larger reinforcement elements 1 a-d.
  • the top and bottom of each ring-shaped portion of the smaller reinforcement elements 2a-d are tangent to the inner edge of a corresponding ring-shaped element of the larger reinforcement elements.
  • the smaller reinforcement elements are connected to the larger reinforcement elements with a weld spot or by pretensioning.
  • the ring-shaped elements of the larger reinforcement elements 1 a-d have, in the illustrated embodiment, an inner diameter which correspond to the outer diameter of the ring-shaped elements of the smaller ring-shaped elements 2a-d, and it is thus suitable to attach the smaller reinforcement elements to the larger reinforcement elements by welding.
  • the ring-shaped elements of the larger reinforcement elements may also have an inner diameter which is slightly smaller than the outer diameter of the ring-shaped elements of the smaller reinforcement elements 2a-d.
  • the smaller reinforcement elements must consequently be forced into the larger reinforcement elements and will then be fixed in position only by the spring action of the ring-shaped elements. This also makes the reinforcement pre-tensioned which provides the reinforcement with advantages for certain types of loads.
  • Fig. 2 shows a second embodiment of the reinforcement seen from the side such that the larger reinforcement elements are illustrated in profile, while the smaller reinforcement elements are shown from the end.
  • ring-shaped elements of the smaller reinforcement elements fit into the ring-shaped elements of the larger reinforcement elements.
  • Fig. 3 shows a second embodiment of a smaller reinforcement element 2e.
  • the reinforcement element is, in the same manner as in the first and second embodiments of the reinforcement, formed by ring-shaped elements 3a-e arranged on a straight line and connected to each other with necks.
  • Each ring-shaped element has a top and a bottom arranged farthest away from the center line of the reinforcement element.
  • a locking portion 4 is arranged at the top and bottom of each ring-shaped element, wherein the locking portion comprises two teeth with a gap therebetween.
  • the ring-shaped elements of the larger reinforcement elements may, in this embodiment as well, have an inner diameter which is equal to or slightly smaller than the outer diameter of the ring-shaped elements of the smaller reinforcement elements 2a-d.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adornments (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Endoscopes (AREA)

Description

  • The present invention relates-to a reinforcement . In particular, it relates to such a reinforcement for casting.
    • Background of the invention
  • Reinforcements with ring-shaped reinforcement elements are known and have the advantage that the ring-shaped structure provides a high load resistance. One example is shown in US1610996A , disclosing a reinforcement having ring-shaped reinforcement elements which are linked together to form a byrnie. Linking the reinforcement elements together requires individual handling of each ring-shaped element, which is costly and time-consuming. WO 99/39887 A1 discloses a reinforcement comprising essentially plane reinforcement elements wherein one element is arranged inside an opening portion of the other element.
  • Therefore, an object of the invention is to provide a reinforcement being formed such that assembling of reinforcement elements to an integral reinforcement is facilitated.
  • These and other objects are achieved by a reinforcement according to the characterizing parts of the independent claims.
    • Summary of the invention
  • The invention relates to a reinforcement for casting comprising essentially plane reinforcement elements 1 a-d, 2a-e formed with ring-shaped portions 3a-e arranged in a row along a line and connected to each other with necks. The reinforcement comprises at least one set of smaller reinforcement elements 1 a-d, 2e and one set of larger reinforcement elements 2a-d, wherein the outer diameter of the ring-shaped portions of the smaller reinforcement elements is essentially the same size as the inner diameter of the ring-shaped portions of the larger reinforcement elements. At least one ring-shaped portion of a smaller reinforcement element is arranged inside a ring-shaped portion of a larger reinforcement element.
  • In a particularily advantageous embodiment, the outer diameter of the ring-shaped portions of the smaller reinforcement elements is slightly larger than the inner diameter of the ring-shaped portions of the larger reinforcement elements, such that the reinforcement is pre-tensioned when the smaller reinforcement elements are arranged inside the larger reinforcement elements.
  • In another advantageous embodiment, the smaller reinforcement elements comprise locking portions 4 arranged to lock the smaller reinforcement elements together with the larger.
  • The locking portions may be formed as pairs of teeth with a gap therebetween, wherein the locking portions are arranged on the periphery of the ring-shaped portions 3a-e farthest away from the center line of the smaller reinforcement elements.
    • Short description of the figures
    • Fig. 1 shows a view obliquely from above of a first embodiment of the reinforcement.
    • Fig. 2 shows a side view of a second embodiment of the reinforcement.
    • Fig. 3 shows a second embodiment of a reinforcement.
    Description of preferred embodiments
  • Fig. 1 shows a first embodiment of the reinforcement seen obliquely from above. The reinforcement comprises four larger reinforcement elements 1 a-d arranged in parallel and four smaller reinforcement elements 2a-d arranged in parallel. The four smaller reinforcement elements, which are arranged in parallel, are arranged side by side with a distance between two adjacent smaller reinforcement elements, and the four larger reinforcement elements, which are arranged in parallel, are correspondingly arranged side by side with a distance between two adjacent larger reinforcement elements. Both types of reinforcement elements are formed by elongated, essentially plane elements. The longest direction of extension of the reinforcement elements constitute the lengthwise direction of the elements, and the lengthwise direction of the larger reinforcement elements is arranged at a right angle to the lengthwise direction of the smaller reinforcement elements.
  • Both types of reinforcement elements are formed by a row of essentially ring-shaped portions arranged along a straight line and connected to each other with necks. These necks are, in the illustrated embodiment, formed by portions with smoothly curved edges, i.e. without sharp corners which may constitute indications of fracture, but the ring-shaped elements may of course be formed in other ways.
  • The smaller reinforcement elements 2a-d extend through the ring-shaped portions of the larger reinforcement elements 1 a-d. The top and bottom of each ring-shaped portion of the smaller reinforcement elements 2a-d are tangent to the inner edge of a corresponding ring-shaped element of the larger reinforcement elements. In each reinforcement element, the smaller reinforcement elements are connected to the larger reinforcement elements with a weld spot or by pretensioning.
  • The ring-shaped elements of the larger reinforcement elements 1 a-d have, in the illustrated embodiment, an inner diameter which correspond to the outer diameter of the ring-shaped elements of the smaller ring-shaped elements 2a-d, and it is thus suitable to attach the smaller reinforcement elements to the larger reinforcement elements by welding. The ring-shaped elements of the larger reinforcement elements may also have an inner diameter which is slightly smaller than the outer diameter of the ring-shaped elements of the smaller reinforcement elements 2a-d. The smaller reinforcement elements must consequently be forced into the larger reinforcement elements and will then be fixed in position only by the spring action of the ring-shaped elements. This also makes the reinforcement pre-tensioned which provides the reinforcement with advantages for certain types of loads.
  • Fig. 2 shows a second embodiment of the reinforcement seen from the side such that the larger reinforcement elements are illustrated in profile, while the smaller reinforcement elements are shown from the end. Here it is more clearly illustrated how the ring-shaped elements of the smaller reinforcement elements fit into the ring-shaped elements of the larger reinforcement elements.
  • Fig. 3 shows a second embodiment of a smaller reinforcement element 2e. The reinforcement element is, in the same manner as in the first and second embodiments of the reinforcement, formed by ring-shaped elements 3a-e arranged on a straight line and connected to each other with necks. Each ring-shaped element has a top and a bottom arranged farthest away from the center line of the reinforcement element. A locking portion 4 is arranged at the top and bottom of each ring-shaped element, wherein the locking portion comprises two teeth with a gap therebetween. When the smaller reinforcement elements are thread into the larger, the larger reinforcement elements are received between a pair of such teeth such that the reinforcement element is locked in the gap between the teeth. The ring-shaped elements of the larger reinforcement elements may, in this embodiment as well, have an inner diameter which is equal to or slightly smaller than the outer diameter of the ring-shaped elements of the smaller reinforcement elements 2a-d.

Claims (4)

  1. A reinforcement for casting comprising essentially plane reinforcement elements (1a-d, 2a-e) formed with ring-shaped portions (3a-e) arranged in a row along a line and connected together with necks, the reinforcement comprises at least one set of smaller reinforcement elements (1a-d, 2e) and one set of larger reinforcement elements (2a-d), wherein the outer diameter of the ring-shaped portions of the smaller reinforcement elements is essentially the same as the inner diameter of the ring-shaped portions of the larger reinforcement elements, and wherein at least one ring-shaped portion of a smaller reinforcement element is arranged inside a ring-shaped portion of a larger reinforcement element.
  2. A reinforcement according to claim 1, characterized in that the outer diameter of the ring-shaped portions of the smaller reinforcement elements is slightly larger than the inner diameter of the ring-shaped portions of the larger reinforcement elements, such that the reinforcement is pre-tensioned when the smaller reinforcement elements are arranged inside the larger reinforcement elements.
  3. A reinforcement according to claim 1 or 2, characterized in that the smaller reinforcement elements comprise locking portions (4) that locks the smaller reinforcement elements together with the larger reinforcement elements.
  4. A reinforcement according to claim 3, characterized in that the locking portions (4) are formed as a pair of teeth with a gap therebetween, wherein the locking portions are arranged on the periphery of the ring-shaped portions (3a-e) arranged farthest away from the center line of the smaller reinforcement elements.
EP12771558.9A 2011-04-12 2012-04-12 Reinforcement for casting comprising essentially plane reinforcement elements formed with ring-shaped portions Not-in-force EP2697445B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1100273A SE535713C2 (en) 2011-04-12 2011-04-12 Reinforcement for casting comprising mainly flat reinforcing elements formed with annular portions
PCT/SE2012/050401 WO2012141650A1 (en) 2011-04-12 2012-04-12 Reinforcement for casting comprising essentially plane reinforcement elements formed with ring-shaped portions

Publications (3)

Publication Number Publication Date
EP2697445A1 EP2697445A1 (en) 2014-02-19
EP2697445A4 EP2697445A4 (en) 2014-09-17
EP2697445B1 true EP2697445B1 (en) 2016-04-06

Family

ID=47009581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12771558.9A Not-in-force EP2697445B1 (en) 2011-04-12 2012-04-12 Reinforcement for casting comprising essentially plane reinforcement elements formed with ring-shaped portions

Country Status (3)

Country Link
EP (1) EP2697445B1 (en)
SE (1) SE535713C2 (en)
WO (1) WO2012141650A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE539227C2 (en) * 2013-02-18 2017-05-23 Svensk Cellarmering Fabrik Ab Reinforcing elements for casting and reinforcing apparatus including such reinforcing elements

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1610996A (en) * 1925-11-14 1926-12-14 Bruckshaw Herbert Stanley Reenforced concrete
US2867112A (en) * 1953-11-20 1959-01-06 Gen Electric Wire mesh supported refractory
SE330075B (en) * 1967-10-25 1970-11-02 Smedjebackens Valsverk Ab
SU542808A1 (en) * 1974-12-20 1977-01-15 Военный Инженерный Краснознаменный Институт Им. А.Ф.Можайского Method of prestressing reinforcement
DE2613222A1 (en) * 1976-03-27 1977-11-24 Thermo Ind Gmbh & Co Kg Statically or dynamically stressed concrete reinforcing steel mesh - with rods one or both ways made of twisted wires
DE3405624A1 (en) * 1984-02-16 1984-08-16 Ernst Dipl.-Ing. Schlegel (FH), 8058 Erding Connection shuttering
JPH05311808A (en) * 1992-05-13 1993-11-22 Nippon Steel Corp Concrete reinforcing material and constructing method of concrete structure
EP0674060A1 (en) * 1994-03-04 1995-09-27 Wilhelm Modersohn GmbH & Co KG Verankerungstechnik Reinforcement for masonry
US5888608A (en) * 1995-08-15 1999-03-30 The Board Of Trustees Of The Leland Stanford Junior University Composite grid/frame structures
AU2553699A (en) * 1998-02-06 1999-08-23 Farrell, Elizabeth-Anne Aileen Reinforcing a settable material
AU2001227594A1 (en) * 2000-01-29 2001-08-07 John F. Carr Jr. Reinforcement for composite materials
HU0700032D0 (en) * 2007-01-16 2007-03-28 Kondorosi Gyoergy Water curtain eliminating device made by a fast vehicle on wet road
KR101092499B1 (en) * 2008-12-08 2011-12-13 연세대학교 산학협력단 Shear connector of wave shape
EP2627837B1 (en) * 2010-10-12 2016-08-31 Svensk Cellarmering Fabrik AB Reinforcement element for casting comprising ring shaped portions and reinforcement with such reinforcement elements

Also Published As

Publication number Publication date
EP2697445A1 (en) 2014-02-19
SE535713C2 (en) 2012-11-20
EP2697445A4 (en) 2014-09-17
WO2012141650A1 (en) 2012-10-18
SE1100273A1 (en) 2012-10-13

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