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DE2120904B2 - HOLLOW PROFILE SUPPORT - Google Patents
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DE2120904B2 - HOLLOW PROFILE SUPPORT - Google Patents

HOLLOW PROFILE SUPPORT

Info

Publication number
DE2120904B2
DE2120904B2 DE19712120904 DE2120904A DE2120904B2 DE 2120904 B2 DE2120904 B2 DE 2120904B2 DE 19712120904 DE19712120904 DE 19712120904 DE 2120904 A DE2120904 A DE 2120904A DE 2120904 B2 DE2120904 B2 DE 2120904B2
Authority
DE
Germany
Prior art keywords
trapezoidal
indentation
side walls
support
hollow profile
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
DE19712120904
Other languages
German (de)
Other versions
DE2120904C3 (en
DE2120904A1 (en
Inventor
Anmelder Gleich
Original Assignee
Strässle, Marcel, Kirchberg (Schweiz)
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 Strässle, Marcel, Kirchberg (Schweiz) filed Critical Strässle, Marcel, Kirchberg (Schweiz)
Publication of DE2120904A1 publication Critical patent/DE2120904A1/en
Publication of DE2120904B2 publication Critical patent/DE2120904B2/en
Application granted granted Critical
Publication of DE2120904C3 publication Critical patent/DE2120904C3/en
Expired legal-status Critical Current

Links

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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • 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
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • 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
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5818—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially U - form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2409—Hooks, dovetails or other interlocking connections
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2415—Brackets, gussets, joining plates
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2424—Clamping connections other than bolting or riveting
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2433—Connection details of the elongated load-supporting parts using a removable key
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2439—Adjustable connections, e.g. using elongated slots or threaded adjustment elements
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2448—Connections between open section profiles
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2454—Connections between open and closed section profiles
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2457—Beam to beam connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Finishing Walls (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Description

-Träger verwendet werden, deren-Carriers are used whose

S3ÄS3Ä

perspektivischer Darstellung,
Fie 2 einen Querschnitt durch die Stutze.perspective representation,
FIG. 2 shows a cross section through the support.

De Ausbildung der in der Baukonstruktion zur Verwendung gelangenden Stütze ist insbesondere ausDe training in building construction for Use coming prop is in particular from

Die Erfindung bezieht sich auf eine mehreckige, insbesondere viereckige Hohlprofilstütze zur Bildung eines zerlegbaren Bauskelettes mit Seitenwänden, die wenigstens eine in Stützenlängsrichtung verlaufende, sich zur offenen Seite hin erweiternde trapezförmige Einbuchtung aufweisen, die seitlich von in der Stützenaußenfläche liegenden Vorsprüngen teilweise überdeckt ist.The invention relates to a polygonal, in particular square, hollow profile support for formation a dismountable building skeleton with side walls, the at least one running in the longitudinal direction of the columns, have trapezoidal indentation widening towards the open side, which is laterally of in the Support outer surface lying projections is partially covered.

Bei der bekannten derartigen Hohlprofilstütze — siehe CH-PS 4 16 021—sind die dort vorgesehenen trapezförmigen Einbuchtungen zum Verankern eines Wandstückes vorgesehen. Diese Aufgabe ist zwar gelöst, jedoch tritt durch die Anordnung der Einbuchtungen eine Vergrößerung des Trägheitsmomentes der jeweiligen Seitenwände und eine Versteifung des Querschnittes gegenüber seitlichen BeanspruchungenIn the case of the known hollow profile support of this type - see CH-PS 4 16 021 - those are provided there trapezoidal indentations provided for anchoring a wall piece. This task is true solved, but the arrangement of the indentations increases the moment of inertia of the respective side walls and a stiffening of the cross-section against lateral loads

Die Erfindung geht von der Aufgabe aus, ein Stützenprofil zu entwickeln, bei dem die Tragfähigkeit gegenüber lotrechten Belastungen des Stützenquerschnittes voll erhalten bleibt, aber durch eine bestimmte Formgebung der Seitenwände eine Verringerung deren Trägheitsmomente erreicht wird. Dadurch soll die Montage und Demontage von leichten Skelettkonstruktionen, insbesondere für Ausstellungsgebäude, erleichtert werden.The invention is based on the task of developing a support profile in which the load-bearing capacity compared to perpendicular loads of the column cross-section is fully preserved, but by a certain Shaping the side walls a reduction in their moments of inertia is achieved. As a result, the Easier assembly and disassembly of lightweight skeleton structures, especially for exhibition buildings will.

Die Erfindung besteht darin, daß alle Seitenwände im Querschnitt gesehen derart zickzackförmig gewellt ausgebildet sind, daß vom Stutzeninneren her betrachtet abwechselnd auf eine trapezförmige Einbuchtung eine trapezförmige Ausbuchtung folgt, wobei die am Ende der Seitenwand gelegene trapezförmige Einbuchtung jeweils durch eine die Ecke der Stütze bildende, nach außen ragende, an sich bekannte pfeilartige Rippe begrenzt ist, und daß zum Einhängen von Trägern (>.s dienende Ausnehmungen in dem jeweiligen, die Stützenaußenfläche bildenden Grund der Ausbuchtungen angeordnet sind.The invention consists in that all side walls, seen in cross section, are corrugated in a zigzag shape are designed that viewed from the inside of the socket alternately on a trapezoidal indentation trapezoidal bulge follows, with the trapezoidal indentation located at the end of the side wall in each case by an arrow-like rib known per se and forming the corner of the support, protruding outward is limited, and that for hanging girders (> .s serving recesses in the respective, the Column outer surface forming the base of the bulges are arranged.

durch je zwei im Querschnitt trapezförmige Ausbuchtungen 2, 3 und durch eine dazwischenliegende, gleich Smte Einbuchtung 4 gebildet, so daß sie eine leweSe Form aufweisen. Die Seitenflächen jeder Aus- bzw Einbuchtung 2, 3 und 4 schließen im Querschn.tt ST. «SS Winkel A = 90° ein. Diese Querschnitts-Lm ermöglicht es, die bei Temperaturanderungen uTrmeSchfn Dehnungen ohne Nachteil für die Baukonstruktion aufzunehmen. Die Ausbuchtungen 2,3 weten in Richtung der Seitenflächen Vorsprunge 5 auf, we ehe die angrenzenden Einbuchtungen 4 teilwe.se überdecken. Zwischen aneinandergrenzenden Ausbuch-SSen 2, 3 jeder Seitenwand verble.bt zwischen den Vorsprüngen 5 ein Spalt 6 offen. An den Ecken der dargestellten Stütze 1 sind im Querschnitt pfe.lform.ge Ripfen 7 vorgesehen. Dieselben bestehen aus je einemformed by two bulges 2, 3 trapezoidal in cross-section and by an intermediate, equal indentation 4, so that they have a leweSe shape. The side surfaces of each recess or indentation 2, 3 and 4 close in the cross section ST. «SS angle A = 90 ° a. This cross-sectional Lm makes it possible to absorb the expansions caused by changes in temperature without any disadvantage for the building structure. The bulges 2, 3 have protrusions 5 in the direction of the side surfaces, before partially covering the adjacent indentations 4. A gap 6 remains open between the protrusions 5 between the adjacent bulges 2, 3 of each side wall. At the corners of the support 1 shown, pfe.lform.ge ribs 7 are provided in cross section. They each consist of one

5 e? 8 und den rechtwinklig zueinander stehenden flächen 9. Wie ersichtlich, liegen auf jeder der vier Seitenflächen die Vorsprünge 5 und die Flansche 9 in einer Ebene Die Wandstärke der Vorsprünge 5 und Flansche 9 ist im Vergleich zur Wandstärke der A^ und Einbuchtungen 2, 3 und 4 gering und betragt weniger als die Hälfte derselben. Durch die die Einbuchtungen 4 teilweise überdeckenden Vorsprunge ΪweXverteilt über den Umfang der Stütze, Spalten5 e? 8 and the mutually perpendicular surfaces 9. As can be seen, on each of the four side faces are the projections 5 and the flanges 9 in a plane, the wall thickness of the projections 5 and flanges 9 is compared to the wall thickness of the A ^ and recesses 2, 3 and 4 low and is less than half the same. The protrusions ΪweXdistributed over the circumference of the support, gaps, which partially cover the indentations 4

6 gebildet, welche in den durch die Einbuchtungen 4 umschlossenen Hohlraum münden. Dasselbe gilhmsSulich der Flansche 9 der Rippen 7. Diese Ausb. dung ermöglicht es, nachträglich an den Stutzen Träger Wandplatten u. dgl. lösbar anzubringen und nötigenfalls mittels bekannter Klemmvorrichtungen festzuklemmen6, which open into the cavity enclosed by the indentations 4. The same gilhmsSulich of the flanges 9 of the ribs 7. This expansion. manure makes it possible to subsequently detachably attach wall panels and the like to the socket carrier, and if necessary to clamp by means of known clamping devices

Die Stützen 1 weisen, z. B. nahe ihrem oberen und unteren Ende, z. B. an zwei benachbarten Seitenflächen, Ausnehmungen 10 auf, in welche senkrecht zu den Stützen verlaufende Profilträger eingehängt werden können. Es könnten auch alle vier Seitenflächen mit derartigen Ausnehmungen versehen sein.The supports 1 have, for. B. near their upper and lower ends, e.g. B. on two adjacent side surfaces, Recesses 10, into which profile beams extending perpendicular to the supports are suspended can. All four side surfaces could also be provided with such recesses.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (2)

Patentansprüche: Bei einer Ausführungsform der Erfindung bilden die Wände jeder trapezförmigen Ein- und AusbuchtungClaims: In one embodiment of the invention, the walls form each trapezoidal indentation and indentation 1. Mehreckige, insbesondere viereckige Hohlprofilstütze zur Bildung eines zerlegbaren Bauskelettes mit Seitenwänden, die wenigstens eine in Stützenlängsrichtung verlaufende, sich zur offenen Seite hin erweiternde trapezförmige Einbuchtung aufweisen, die seitlich von in der Stützenaußenfläche liegenden Vorsprüngen teilweise überdeckt ist, dadurch gekennzeichnet, daß alle Seitenwände im Querschnitt gesehen derart zickzackförmig gewellt ausgebildet sind, daß vom Stützeninneren her betrachtet abwechselnd auf eine trapezförmige Einbuchtung (4) eine trapezförmige Ausbuchtung (2, 3) folgt, wobei die am Ende der Seitenwand gelegene trapezförmige Einbuchtung jeweils durch eine die Ecke der Stütze bildende, nach außen ragende, an sich bekannte pfeilartige Rippe (7) begrenzt ist, und daß zum Einhängen von Trägern dienende Ausnehmungen (10) in dem jeweiligen, die Stützenaußenfläche bildenden Grund der Ausbuchtungen (2, 3) angeordnet sind.1. Polygonal, in particular square, hollow profile support to form a building skeleton that can be dismantled with side walls, at least one of which runs in the longitudinal direction of the column and extends towards the open side have widening trapezoidal indentation that lies laterally in the outer surface of the column Projections is partially covered, thereby characterized in that all side walls are corrugated in such a zigzag shape when viewed in cross section are designed that viewed from the inside of the column alternately on a trapezoidal one Indentation (4) is followed by a trapezoidal bulge (2, 3), the one at the end of the side wall trapezoidal indentation in each case by an outwardly protruding corner of the support known arrow-like rib (7) is limited, and that serving for hanging supports recesses (10) in the respective base of the bulges (2, 3) that forms the outer surface of the support are arranged. 2. Hohlprofilstütze nach Anspruch 1, dadurch gekennzeichnet, daß die Wände jeder trapezförmigen Ein- und Ausbuchtung (2,3,4) einen Winkel (A) von 90° bilden.2. Hollow profile support according to claim 1, characterized in that the walls of each trapezoidal indentation and bulge (2,3,4) form an angle (A) of 90 °. - «SSTiSS^Be1iSn«en vol. erhalten, ' fend durch die Seitenwände eine spürbare Verringerung des Trägheitsmomentes dadurch erreicht wir* daß Seine dfr Seitenwände und der Ecken des Profils Sckgesetzt sind, wobei die an der Außenhaut zurucKg Wandte,ie Ausnehmungen zum Einhangen r : n;» hif>rHiimh erreichte - "SSTiSS ^ Be1iSn" en vol. The side walls result in a noticeable reduction in the moment of inertia by the fact that its side walls and the corners of the profile are set back, with the wall facing back on the outer skin, ie recesses for hanging r: n; » hif> rHiimh reached
DE19712120904 1970-08-19 1971-04-28 Hollow profile support Expired DE2120904C3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1242870A CH531624A (en) 1970-08-19 1970-08-19 Building construction
CH1242870 1970-08-19

Publications (3)

Publication Number Publication Date
DE2120904A1 DE2120904A1 (en) 1972-03-02
DE2120904B2 true DE2120904B2 (en) 1977-05-26
DE2120904C3 DE2120904C3 (en) 1978-01-12

Family

ID=

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084830A1 (en) * 1982-01-23 1983-08-03 Henkel Kommanditgesellschaft auf Aktien Element system for self-erection
RU210428U1 (en) * 2022-01-12 2022-04-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) Building frame element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084830A1 (en) * 1982-01-23 1983-08-03 Henkel Kommanditgesellschaft auf Aktien Element system for self-erection
RU210428U1 (en) * 2022-01-12 2022-04-15 Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) Building frame element

Also Published As

Publication number Publication date
IL37497A (en) 1974-03-14
DE2166879A1 (en) 1976-07-22
JPS5035730B1 (en) 1975-11-18
NO129810B (en) 1974-05-27
ES203617Y (en) 1976-05-16
BR7105340D0 (en) 1973-04-26
DK135858B (en) 1977-07-04
IL37497A0 (en) 1971-11-29
GB1339482A (en) 1973-12-05
FR2102350B1 (en) 1974-05-31
BE771443A (en) 1971-12-31
CH531624A (en) 1972-12-15
ES203617U (en) 1976-02-01
AU3226771A (en) 1973-02-15
AU459151B2 (en) 1975-03-20
ZA715323B (en) 1972-04-26
AT316815B (en) 1974-07-25
FR2102350A1 (en) 1972-04-07
CA957818A (en) 1974-11-19
DE2166879C3 (en) 1979-02-15
LU63466A1 (en) 1971-11-12
NL7111375A (en) 1972-02-22
DK135858C (en) 1977-12-05
SE387149B (en) 1976-08-30
YU213871A (en) 1979-10-31
CS161911B2 (en) 1975-06-10
DE2120904A1 (en) 1972-03-02
YU34924B (en) 1980-04-30
DE2166879B2 (en) 1978-06-15
US3715849A (en) 1973-02-13

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)