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Wooden lattice girder for construction

A lattice beam and field technology, applied in the field of wooden lattice beams used in the construction field, can solve the problems of high production cost, difficult tongue and groove and the like

Active Publication Date: 2009-05-27
PERI欧洲公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such production costs are very high
Even with a milling cutter, it is very difficult to make a tongue and groove with a rhombus cross-section

Method used

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  • Wooden lattice girder for construction
  • Wooden lattice girder for construction
  • Wooden lattice girder for construction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] Figure 1 shows a part of the lattice beam of the present invention. Figure 1a shows the parts in an assembled state, and Figure 1b shows an exploded view of the parts.

[0030] The lattice beam 1 has dimensions commonly used in the construction industry for lattice beams of this type. The lattice beam 1 is several meters long and its supports 2 and stringers 4, 5 are several centimeters thick. The lattice girder 1 has an upper run 4 and a lower run 5 . The two string beams 4 , 5 are connected to each other by the supports 2 . The support 2 is positioned obliquely to the string beams 4, 5 and forms an angle of approximately 45° between the support 2 and the string beams 4, 5. The supports 2 each have two tenons 7 at their ends. The string beams 4 and 5 are provided with tenon grooves 9 extending longitudinally thereof, and each tenon groove 9 is matched with a tenon 7 . In the assembled state each tenon 7 is glued into an associated tenon groove 9 . The tenon 7 at ...

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PUM

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Abstract

A wooden lattice beam (1) for construction is disclosed, comprising an upper beam (4) and a lower beam (5), connected to each other by struts (2), having tenons (7) at the ends thereof, the tenons (7) on one end of the struts (2) are glued into mortises (9) on the upper beam (4), running in the the longitudinal direction of the upper beam (4) and the tenons (7) on the other end of the struts (2) are glued into mortises (9) on the lower beam (5), running in the longitudinal direction of the lower beam (5). The lateral surfaces (12) of a mortise (9) running in the longitudinal direction thereof are arranged at an acute angle to each other and the surfaces (10) of the tenon (7) glued to said lateral surfaces (12) in said mortise (9) have a corresponding acute angle to each other.

Description

technical field [0001] The present invention relates to a wooden lattice beam used in the field of construction, which has an upper run and a lower run, and the two are connected to each other by supports with tenons on their two ends, wherein the support at one end The tenon is glued into the tenon groove on the upper run beam extending along the longitudinal direction of the upper run beam, and the tenon head at the other end of the support is glued into the tenon groove on the lower run beam extending along the longitudinal direction of the lower run beam. Such lattice beams are used, for example, as supports in the formwork of concrete structures to be poured, in particular concrete ceilings and concrete walls. Background technique [0002] Such a lattice girder is known from DE 18 07 956 B1 or DE 18 17 718 A1. In such lattice beams, there are tongue grooves on the strings, which run in the longitudinal direction of the strings, while the side surfaces of the tongues ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C3/16
CPCE04C3/16E04C3/12E04B1/26E04C2003/0491
Inventor A·施沃雷尔
Owner PERI欧洲公司
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