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(11)    Patent No :    AP 2000   
(21)    Application No :    AP/P/2004/003171   
(22)    Filing Date :    24.04.2003   
(24)    Date of Grant &    08.05.2009   
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
DE    10218597.2    25.04.2002

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
(73) Applicant(s)


91126 Schwabach,

(72) Inventors

WALLNER Ulrich, Germany

(74) Representative


(51)  International  Classification   E04B 1/19 (2006.01)    E04B 1/58 (2006.01)

(54)    Title

System, method and device for producing a supporting framework or rigid girder.

(57)    Abstract

The invention provides a system, a method and a device for manufacturing a truss or framework from joined bar-elements and from connection-elements inserted between those at the joints, whereby the bar-elements consist of at least one segment of a material of high-growing plants, and the connection-elements consist of a rigid, regenerative material; according to the

invention, the ends of the bar-elements and/or the connection-elements are machined in such way that they (it) exhibit(s) surfaces which run along well defined geometrical bodies at least in selected areas, such, that in the area of the joint of a bar-element with a connection-element or an additional bar-element on each of the two bodies there is provided one surface which is running along the lateral surface of a cylinder, cone, prism or pyramid at least in selected areas, as well as another surface running along the lateral surface of a hollow cylinder, hollow cone, hollow prism and/or a hollow pyramid at least in selected areas, which can be respectively plugged together with closely adjoining surfaces; the device usable for this purpose comprises at least one tool designed as an ablating tool, particularly as a cutting tool, for machining of at least one connection-element and/or of the ends of bar-elements which are to be joined to that.

(56)    Documents Cited :    WO 00 55442 A    DE 4333029 A    DE 3817236 A


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