SE504012C2 - Balk - Google Patents

Balk

Info

Publication number
SE504012C2
SE504012C2 SE9503074A SE9503074A SE504012C2 SE 504012 C2 SE504012 C2 SE 504012C2 SE 9503074 A SE9503074 A SE 9503074A SE 9503074 A SE9503074 A SE 9503074A SE 504012 C2 SE504012 C2 SE 504012C2
Authority
SE
Sweden
Prior art keywords
sheet metal
profile
metal strip
unbroken
expanded metal
Prior art date
Application number
SE9503074A
Other languages
English (en)
Other versions
SE9503074D0 (sv
SE9503074L (sv
Inventor
Mikael Hellsten
Original Assignee
Hellsten Mikael 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 Hellsten Mikael Ab filed Critical Hellsten Mikael Ab
Priority to SE9503074A priority Critical patent/SE9503074L/sv
Publication of SE9503074D0 publication Critical patent/SE9503074D0/sv
Priority to US08/836,178 priority patent/US5778626A/en
Priority to CN96197783A priority patent/CN1200162A/zh
Priority to PCT/SE1996/001081 priority patent/WO1997009496A1/en
Priority to CA 2235213 priority patent/CA2235213A1/en
Priority to CZ98660A priority patent/CZ66098A3/cs
Priority to EP96930463A priority patent/EP0852644A1/en
Priority to PL96325401A priority patent/PL325401A1/xx
Priority to KR1019980701673A priority patent/KR19990044428A/ko
Priority to AU69488/96A priority patent/AU712299B2/en
Publication of SE504012C2 publication Critical patent/SE504012C2/sv
Publication of SE9503074L publication Critical patent/SE9503074L/sv
Priority to MXPA/A/1998/001766A priority patent/MXPA98001766A/xx
Priority to US09/035,842 priority patent/US6050048A/en
Priority to NO980975A priority patent/NO308550B1/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/083Honeycomb girders; Girders with apertured solid web
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/32Columns; Pillars; Struts of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0421Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section comprising one single unitary part
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/043Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0434Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the open cross-section free of enclosed cavities
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0447Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section circular- or oval-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0465Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0469Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section triangular-shaped
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0478X-shaped
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/18Expanded metal making
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49623Static structure, e.g., a building component
    • Y10T29/49625Openwork, e.g., a truss, joist, frame, lattice-type or box beam
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49616Structural member making
    • Y10T29/49623Static structure, e.g., a building component
    • Y10T29/49634Beam or girder

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Particle Accelerators (AREA)
  • Measurement Of Radiation (AREA)
  • Nuclear Medicine (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Powder Metallurgy (AREA)

Description

15 20 25 30 35 40 504 Û12 2 Fig 3 visar en tvärsektion genom balken i fig 1 och 2 för åskåd- liggörande av dess fyrkantiga profil. Fig 4 visar i stor skala en del av ett sträckmetallparti i balken enligt de tidigare figurer- na.
Den på ritningarna visade utföringsformen av en balk enligt före- liggande uppfinning kan ha i princip oändlig längd och i princip vilken som helst önskad profil, ehuru det i fig 3 visas en fyrsi- dig huvudsakligen kvadratisk profil. En balk enligt föreliggande uppfinning kan som sagts ha vilken som helst lämplig profil, t ex tvåsidig oval profil eller elliptisk profil, fyrsidig profil eller fyrkantig profil enligt ritningarna, tresidig profil och många va- rianter och kombinationer av sådana profiler. Exempelvis är det tänkbart med en profil, som i princip består av ett antal triangu- lära profiler, t ex tre triangulära profiler eller t o m fyra tri- angulära profiler, som är hopkopplade eller förbundna med varandra på något lämpligt sätt, t ex med spetsarna mötande varandra. Fyr- kantiga profiler behöver naturligtvis inte vara kvadratiska utan kan ha i princip vilken som helst fyrkantig form. Ej heller behö- ver vinklarna i de fyrsidiga profilerna vara 90° utan kan vara and- ra än räta vinklar.
Den på ritningarna visade balken är såsom nämnts ovan fyrsidig och har ett sträckmetallparti 1 i var och en av de tre sidorna och ett sträckmetallparti 2 i den fjärde sidan. Den fjärde sidan uppvisar dessutom ett falsparti 3 av i och för sig konventionell typ. Mel- lan sidorna uppvisar profilen obrutna partier. Falspartiet 3 är upprättat på i och för sig konventionellt sätt i de tvâ mötande, obrutna kantpartierna, vilka erhålles efter profilering av balken till den visade fyrkantiga formen.
Falspartiet 3 kan vara ersatt av någon annan form av förbindning eller falsning. Förbindningen kan mycket väl utgöras av en svets i form av en punktsvets eller en sömsvets. Valet av förbindning el- ler koppling utgår lämpligen från valet av material i metallplå- ten.
I fig 4 visas i detalj en del av sträckmetallpartierna 1,2 och i denna detaljfigur framgår att sträckmetallpartierna har konventio- nell form med ett antal hål 4 mellan bryggor eller förbindningar 5 av själva metallplåten. 10 15 20 25 30 35 40 3 504 012 Det är naturligtvis även möjligt med andra typer av sträckmetall- konstruktioner, ehuru den visade föredrages. Det skall härvid på- talas att de uppåtriktade bågarna i bryggorna 5 är förskjutna upp ur ritningsplanet, medan de nedåtriktade bågarna av bryggorna 5 är förskjutna in i ritningsplanet, ehuru de är förbundna med varandra så att den uppåtgående bågen är förbunden med den nedåtgående bå- gen.
Det skall vidare pâtalas att det naturligtvis inte är nödvändigt att balken uppvisar sträckmetallspartier i alla sidorna utan i vissa fall kan det vara lämpligt med sträckmetall i en eller två sidor, t ex två motstående sidor eller i två eller tre angränsande sidor hos en fyrkantig balk. Det är även tänkbart att ha en oval balk, där den ena sidan uppvisar ett sträckmetallparti, medan den andra sidan är obruten. De obrutna kantpartierna kan eventuellt vara försedda med sträckmetallpartier eller lättningshål.
Den metallplåt, av vilken en balk enligt föreliggande uppfinning tillverkas, kan bestå av många olika material, t ex aluminium, stål, järn, etc.
En balk enligt föreliggande uppfinning kan tillverkas i en sträck- metallmaskin, som medger åstadkommandet av sträckmetallpartier, vilka är separerade av obrutna metallplâtspartier, varvid ett pro- filereingsverk och ett falsningsverk eller svetsverk är anordnade direkt efter själva sträckmetallmaskinen. Profileringssverket och falsningsverket eller svetsverket kan vara från sträckmetallmaski- nen skilda verk; En balk enligt föreliggande uppfinning kommer att uppvisa så goda hållfasthetsegenskaper och kan tillverkas till så låga kostnader att den kommer att kunna användas inom byggnadsindustrin såsom bä- rande balk och där ersätta de idag använda träbalkarna både med små och stora dimensioner.
Många modifieringar är naturligtvis tänkbara inom ramen för den i de efterföljande patentkraven definierade uppfinningstanken.

Claims (5)

10 15 20 25 30 35 40 5íhl4 012 PATENTKRAV
1. Balk med en åtminstone tvâ sidor uppvisande helt och/eller del- vis sluten profil, kännetecknad därav, att balken är profilerad av en metallplåtsremsa, som uppvisar ett långsträckt sträckmetall- sparti (1,2) för åtminstone den ena sidan hos den färdiga profi- len, att de sidorna förbindande partierna hos metallplåtsremsan är obrutna, att metallplâtsremsans båda mötande kanter är förbundna eller hopkopplade med varandra för bildande av den slutna profi- len.
2. Balk enligt patentkravet 1, kännetecknad därav, att alla sidor- na hos den profilerade metallplåtsremsan uppvisar ett eller flera partier av sträckmetall (1,2).
3. Balk enligt patentkravet 1, kännetecknad därav, att den profi- lerade metallplâtsremsans kanter är förbundna med varandra genom falsning (3) av de obrutna kantpartierna.
4. Balk enligt patentkravet 1, kännetecknad därav, att den profi- lerade metallplâtsremsans kanter är förbundna med varandra genom svetsning.
5. Balk enligt något av de föregående patentkraven, vilken uppvi- sar en fyrsidig sluten profil, kännetecknad därav, att hörnparti- erna är obrutna och att den profilen slutande falsen eller för- bindningen (3) är belägen vid ett av hörnen i de obrutna' kantpartierna.
SE9503074A 1995-09-07 1995-09-07 Balk SE9503074L (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
SE9503074A SE9503074L (sv) 1995-09-07 1995-09-07 Balk
AU69488/96A AU712299B2 (en) 1995-09-07 1996-09-02 Beam
EP96930463A EP0852644A1 (en) 1995-09-07 1996-09-02 Beam
KR1019980701673A KR19990044428A (ko) 1995-09-07 1996-09-02
PCT/SE1996/001081 WO1997009496A1 (en) 1995-09-07 1996-09-02 Beam
CA 2235213 CA2235213A1 (en) 1995-09-07 1996-09-02 Beam
CZ98660A CZ66098A3 (cs) 1995-09-07 1996-09-02 Tyčový nosný prvek a způsob jeho výroby
US08/836,178 US5778626A (en) 1995-09-07 1996-09-02 Closed beam with expanded metal sections
PL96325401A PL325401A1 (en) 1995-09-07 1996-09-02 Beam and method of making same
CN96197783A CN1200162A (zh) 1995-09-07 1996-09-02 梁构件
MXPA/A/1998/001766A MXPA98001766A (en) 1995-09-07 1998-03-05 V
US09/035,842 US6050048A (en) 1995-09-07 1998-03-06 Beam
NO980975A NO308550B1 (no) 1995-09-07 1998-03-06 Bjelke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503074A SE9503074L (sv) 1995-09-07 1995-09-07 Balk

Publications (3)

Publication Number Publication Date
SE9503074D0 SE9503074D0 (sv) 1995-09-07
SE504012C2 true SE504012C2 (sv) 1996-10-21
SE9503074L SE9503074L (sv) 1996-10-21

Family

ID=20399388

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503074A SE9503074L (sv) 1995-09-07 1995-09-07 Balk

Country Status (10)

Country Link
US (1) US5778626A (sv)
EP (1) EP0852644A1 (sv)
KR (1) KR19990044428A (sv)
CN (1) CN1200162A (sv)
AU (1) AU712299B2 (sv)
CZ (1) CZ66098A3 (sv)
NO (1) NO308550B1 (sv)
PL (1) PL325401A1 (sv)
SE (1) SE9503074L (sv)
WO (1) WO1997009496A1 (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6050048A (en) * 1995-09-07 2000-04-18 Balcus Ab Beam
US6062270A (en) * 1997-01-27 2000-05-16 Lindab Ab Double-walled structure in a ventilation duct system
US6330777B1 (en) 1999-07-20 2001-12-18 Tcw Technologies Inc. Three dimensional metal structural assembly and production method
GB2371816B (en) * 2001-01-31 2005-09-07 Hong Liang Ng Building material
US6543575B1 (en) 2000-06-14 2003-04-08 Lindab Ab Double-walled structure and connection arrangement
IT1319711B1 (it) * 2000-12-29 2003-11-03 Antonello Briosi Elemento di struttura portante,specie per scaffalature
US8234836B2 (en) * 2003-08-05 2012-08-07 Jeffrey A. Anderson Method of manufacturing a metal framing member
US8146218B1 (en) * 2005-04-14 2012-04-03 Ealer Sr James E Method for making solid edge gutter screen
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NO980975D0 (no) 1998-03-06
EP0852644A1 (en) 1998-07-15
CN1200162A (zh) 1998-11-25
SE9503074D0 (sv) 1995-09-07
US5778626A (en) 1998-07-14
NO308550B1 (no) 2000-09-25
PL325401A1 (en) 1998-07-20
CZ66098A3 (cs) 1998-09-16
KR19990044428A (ko) 1999-06-25
NO980975L (no) 1998-04-30
AU712299B2 (en) 1999-11-04
WO1997009496A1 (en) 1997-03-13
SE9503074L (sv) 1996-10-21
MX9801766A (es) 1998-10-31

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