US2015267421A1PendingUtilityA1

Wall formwork and wall formwork system

Assignee: HARSCO INFRASTRUCTURE SERVICES GMBHPriority: Sep 28, 2012Filed: Sep 24, 2013Published: Sep 24, 2015
Est. expirySep 28, 2032(~6.2 yrs left)· nominal 20-yr term from priority
E04G 11/06E04G 17/06E04G 2009/028
39
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Claims

Abstract

The invention relates to a wall formwork ( 1 ) for concrete structures, comprising a basic body ( 12 ), an outer face configured as a formwork facing ( 19 ), and anchor holes ( 5 ) for the detachable connection to other wall formworks. It is proposed that the anchor holes ( 5 ) be disposed with a substantially uniform grid spacing ( 4 ) relative to each other, and to dimension the wall formwork ( 1 ) in such a way that the spacing ( 4 ) of the anchor holes ( 5 ) to the outer vertical ( 7 ) and/or horizontal ( 6 ) boundary of the wall formwork ( 1 ) corresponds to no more than half of the grid spacing ( 4 ), preferably substantially half of the grid spacing ( 4 ).

Claims

exact text as granted — not AI-modified
1 . A wall formwork for concrete structures, comprising a basic body, an outer face configured as a formwork facing, and anchor holes for the detachable connection to other wall formworks, wherein the anchor holes are disposed with a uniform grid spacing relative to each other, wherein the wall formwork is dimensioned in such a way that the spacing of the anchor holes to the outer vertical and/or horizontal boundary of the wall formwork corresponds to half of the grid spacing, wherein the anchor holes are disposed axisymmetrically in the wall formwork, wherein the anchor holes are disposed on at least two parallel spaced-apart axes, and at least three anchor holes are provided along an axis, wherein the arrangement of the anchor holes in the wall formwork is designed in such a way that the anchor holes extend through the frame of the wall formwork. 
     
     
         2 . A wall formwork for concrete structures, comprising a basic body, an outer face configured as a formwork facing, and anchor holes for the detachable connection to other wall formworks, wherein the anchor holes are disposed with a substantially uniform grid spacing relative to each other, wherein the wall formwork is dimensioned in such a way that the spacing of the anchor holes to the outer vertical and/or horizontal boundary of the wall formwork corresponds to half of the grid spacing or at least substantially half of the grid spacing, wherein the arrangement of the anchor holes in the wall formwork is designed in such a way that the anchor holes extend through the frame of the wall formwork. 
     
     
         3 . The wall formwork according to  claim 2 , wherein the anchor holes are disposed symmetrically, in particular axisymmetrically, in the wall formwork. 
     
     
         4 . The wall formwork according to  claim 2 , wherein the anchor holes are disposed on at least two parallel spaced-apart, in particular vertically extending, axes, and preferably at least three anchor holes are provided along an axis. 
     
     
         5 . The wall formwork according to  claim 2 , wherein the height of the wall formwork is between 280 cm and 380 cm, particularly preferably 300 cm or 360 cm, and/or wherein the width of the wall formwork is between 200 cm and 300 cm, more preferably between 220 cm and 260 cm. 
     
     
         6 . The wall formwork according to  claim 2 , wherein the grid spacing of the anchor holes relative to each other is at least 60 cm, more preferably at least 80 cm, or wherein the grid spacing of the anchor holes relative to each other is no greater than 160 cm, more preferably no greater than 140 cm. 
     
     
         7 . The wall formwork according to  claim 2 , wherein the spacing of the anchor holes to the outer horizontal and/or vertical boundary of the wall formwork is at least 20 cm, more preferably at least 30 cm. 
     
     
         8 . A wall formwork system comprising at least one wall formwork according to  claim 1  and at least one multi-purpose wall formwork, wherein the multi-purpose wall formwork comprises a basic body, an outer face configured as a formwork facing, and anchor holes for the detachable connection to other wall formworks, wherein at least one horizontally extending anchor hole row with a plurality of anchor holes is provided on the multi-purpose wall formwork, on which at least one closure means for anchor holes can be or is attached, preferably in such a way that the closure means ends substantially flush with the outer face configured as a formwork facing. 
     
     
         9 . The wall formwork system according to  claim 8 , wherein the height of the anchor hole row(s) in the multi-purpose wall formwork corresponds to the height of the anchor hole row in the multi-purpose wall formwork. 
     
     
         10 . A wall formwork system comprising a plurality of wall formworks, wherein at least two wall formworks are configured according to  claim 1 , wherein the at least two wall formworks have at least two different dimensions, in particular height and/or width. 
     
     
         11 . The wall formwork system according to  claim 10 , wherein the difference in width of different wall formworks, with regard to the amount, is 15 cm or a multiple of 15 cm, and preferably the smallest width of a formwork element is 45 cm and/or the largest width of a formwork element is 240 cm. 
     
     
         12 . The wall formwork system according to  claim 9 , wherein the difference in height of different wall formworks, with regard to the amount, is 30 cm or a multiple of 30 cm, and preferably the smallest height of a formwork element is 45 cm and/or the largest height of a formwork element is 360 cm. 
     
     
         13 . The wall formwork system according to  claim 9 , wherein at least one wall formwork can be mounted rotated by 90°, and/or comprises two identical wall formworks, wherein one wall formwork is disposed rotated by 90° as compared to the other wall formwork. 
     
     
         14 . The wall formwork system according to  claim 9 , wherein wall formworks having a width exceeding 200 cm, in particular exceeding 220 cm, comprise at least two parallel spaced-apart, vertically extending axes on which the anchor holes are disposed. 
     
     
         15 . The wall formwork system according to  claim 9 , wherein wall formworks having a height exceeding 260 cm, in particular exceeding 280 cm, comprise at least three anchor holes, which, in particular, are disposed along a vertically extending axis. 
     
     
         16 . The wall formwork system according to  claim 9 , comprising a multi-purpose wall formwork, wherein the width of the multi-purpose wall formwork is between 85 to 125 cm, preferably 105 cm.

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