DK174043B1 - Process for manufacturing roofing elements and means for carrying out the method - Google Patents

Process for manufacturing roofing elements and means for carrying out the method Download PDF

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Publication number
DK174043B1
DK174043B1 DK199701534A DK153497A DK174043B1 DK 174043 B1 DK174043 B1 DK 174043B1 DK 199701534 A DK199701534 A DK 199701534A DK 153497 A DK153497 A DK 153497A DK 174043 B1 DK174043 B1 DK 174043B1
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DK
Denmark
Prior art keywords
saw
units
cutting
stem
cut
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Application number
DK199701534A
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Danish (da)
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DK153497A (en
Inventor
Jan Hansen
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Ernex As
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
    • B23D45/14—Sawing machines or sawing devices with circular saw blades or with friction saw discs for cutting otherwise than in a plane perpendicular to the axis of the stock, e.g. for making a mitred cut
    • B23D45/143—Sawing machines or sawing devices with circular saw blades or with friction saw discs for cutting otherwise than in a plane perpendicular to the axis of the stock, e.g. for making a mitred cut with a plurality of circular saw blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B31/00—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines
    • B27B31/003—Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines with rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B5/00—Sawing machines working with circular or cylindrical saw blades; Components or equipment therefor
    • B27B5/16—Saw benches
    • B27B5/18—Saw benches with feedable circular saw blade, e.g. arranged on a carriage
    • B27B5/20—Saw benches with feedable circular saw blade, e.g. arranged on a carriage the saw blade being adjustable according to depth or angle of cut; Radial saws, i.e. sawing machines with a pivoted radial arm for guiding the movable carriage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G5/00—Machines or devices for working mitre joints with even abutting ends
    • B27G5/02—Machines or devices for working mitre joints with even abutting ends for sawing mitre joints; Mitre boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G5/00—Machines or devices for working mitre joints with even abutting ends
    • B27G5/02—Machines or devices for working mitre joints with even abutting ends for sawing mitre joints; Mitre boxes
    • B27G5/023—Machines or devices for working mitre joints with even abutting ends for sawing mitre joints; Mitre boxes the mitre angle being adjusted by positioning a workpiece relative to a fixed saw

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Sawing (AREA)
  • Shearing Machines (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)

Description

i DK 174043 B1in DK 174043 B1

FREMGANGSMÅDE TIL FREMSTILLING AF TAGVÆRKSELEMENTER OG MIDLER TILPROCEDURE FOR THE MANUFACTURE OF ROOFING ELEMENTS AND RESOURCES

UDØVELSE AF FREMGANGSMÅDENEXERCISE OF THE PROCEDURE

Den foreliggende opfindelse angår en fremgangsmåde til fremstilling af tagværkselementer eller andre træmaterialer, ifølge indledningen til krav 1, s og en indretning til udøvelse af fremgangsmåden ifølge indledningen til krav 2.The present invention relates to a method for manufacturing roofing elements or other wood materials according to the preamble of claim 1, s and a device for practicing the method of the preamble of claim 2.

Fra DE-offentliggørelsesskrift 35 23 033 kendes en maskinsav med to savenheder til samtidig bearbejdning af enderne på lange træemner. Her kan savenhedernes savblade endvidere stilles i en ønsket position, og savbladenes io indstilling gennemføres bl.a. ved hjælp af to modsat virkende trykluftcylin- derpar. Savklingerne føres her individuelt, og de er ikke indbyrdes koblet, hvorfor de ikke kan fremføres i en enkelt bevægelse.DE publication publication 35 23 033 discloses a machine saw with two saw units for simultaneous machining of the ends on long wood blanks. Here, the saw blades of the saw units can also be set to a desired position. by means of two opposite-acting compressed-air cylinder pairs. Here, the saw blades are fed individually and are not interconnected, which is why they cannot be fed in a single movement.

Fra GB-patentskrift 1 320 203 kendes en maskinsav med to samvirkende savenheder til fremstilling af lange træemner. Savenhederne kan forskydes is vandret langs en skinne og dermed tilpasses emnets tilsigtede længde. Denne maskinsav er imidlertid ikke af den art, som er anført i indledningen til krav 1, idet saven under skæringen svinges ned fra en af en fjeder opretholdt, løftet position.GB patent 1,320,203 discloses a machine saw with two cooperating saw units for the production of long wood blanks. The saw units can be moved ice horizontally along a rail and thus adapted to the intended length of the workpiece. However, this machine saw is not of the kind set forth in the preamble of claim 1, in that the saw during the cutting is pivoted down from a raised position held by a spring.

Fra DE-offentliggørelsesskrift 36 30 108 kendes en maskinsav med to sa-2o venheder til tilskæring af gehringssnit i profiler til fx. karme og rammer. Sav klingerne er anbragt i et plan vinkelret på den vandrette liggeflade og kan svinge om hver sin lodrette svingakse.From DE publication publication 36 30 108 a machine saw with two sa-2o units is known for cutting thread sections in profiles for e.g. frames and frames. The saw blades are arranged in a plane perpendicular to the horizontal lying surface and can pivot about each vertical pivot axis.

Et af formålene med den foreliggende opfindelse er at tilvejebringe e n enkel konstruktion til en rimelig pris, der har omfattende muligheder for vari-25 ation både i vinkel og længde, hvorved nøjagtig skæring og fremføring sikres med enkel virkemåde, og hvorved betjeningspersonens sikkerhed er garanteret. Endvidere bør det være muligt at skære alle mulige vinkler fra meget spids til stump, og ved at have et savblad, som kan vippes, bør det være muligt at fremstille tagværk til valmtage i én operation.One of the objects of the present invention is to provide a simple construction at a reasonable price, which has extensive possibilities for both angular and longitudinal variation, ensuring accurate cutting and forwarding with simple operation and thereby guaranteeing the operator's safety. Furthermore, it should be possible to cut all possible angles from very pointed to blunt, and by having a saw blade that can be tilted, it should be possible to produce roofing for roofing in one operation.

3o Endvidere bør indretningen kunne styres fra en separat styrepult, som muliggør, at begge save kan styres fra ét sted også med synkron virkemåde, inklusive fastgørelse.Furthermore, the device should be capable of being controlled from a separate control desk, enabling both saws to be controlled from one place also with synchronous operation, including attachment.

Det er derfor formålet med den foreliggende opfindelse at tilvejebringe e n fremgangsmåde til fremstilling af tagværkselementer, som muliggør samtidig 3s skæring af enderne på tagværkselementerne, og en indretning til udøvelse af fremgangsmåden.It is, therefore, an object of the present invention to provide a method of manufacturing roofing elements which allows simultaneous cutting of the ends of the roofing elements and a device for carrying out the method.

Disse formål opnås med en fremgangsmåde til fremstilling af tagværksdele og en indretning til udøvelse af fremgangsmåden i henhold til den type, som e r DK 174043 B1 2 nævnt i indledningen ti) krav l og 2, og som udmærker sig ved de ejendommeligheder, som er angivet i den kendetegnende del af kravene.These objects are achieved by a method of making roofing parts and a device for carrying out the method according to the type mentioned in the preamble to claims 1 and 2, and which is distinguished by the characteristics specified in the characteristic part of the claims.

Ifølge opfindelsen tilvejebringes der en indretning med enkle midler til anvendelse ved dobbeltskæring, fortrinsvis af tagværkselementer, hvilken s indretning i det væsentlige forøger nøjagtigheden ved skæringen af sådanne tagværksdele samt formindsker deres fremstillingstid.According to the invention, a device is provided with simple means for use in double cutting, preferably of roofing elements, which substantially increases the accuracy of cutting such roofing parts and reduces their production time.

Konstruktionen ifølge opfindelsen giver en yderst effektiv drift, som e r egnet til en høj automatiseringsgrad.The construction according to the invention provides a highly efficient operation suitable for a high degree of automation.

Opfindelsen vil nu blive beskrevet mere detaljeret ved hjælp af en udio formning, som er gengivet på tegningen, på hvilken: fig. 1 er en perspektivtegning af indretningen ifølge opfin delsen, fig. 2 er en perspektivtegning af en savenhed ifølge opfindel- is sen, hvorved indtrækningsanordninger og udstøde ranordninger til træstammer/tagværkselementer e r udeladt, og fig. 3 er en perspektivtegning, som gengiver de anordninger, som er udeladt på fig. 2.The invention will now be described in more detail by means of an embodiment shown in the drawing, in which: FIG. 1 is a perspective view of the device according to the invention; FIG. 2 is a perspective view of a saw unit according to the invention, whereby retracting devices and ejection devices for tree trunks / roofing elements are omitted, and fig. 3 is a perspective view showing the devices omitted in FIG. 2nd

2020

Fig. 1 gengiver en udformning, som består af to savenheder 1 og 2 i form af i og for sig kendte savenheder, som er opstillet ved siden af hinanden og forbundet ved hjælp af et skinnespor 13, hvorved den ene af savene 2 er stationær, medens den anden sav 1 er bevægelig i sideretningen i forhold til sav 2, hvor-25 ved der således tilvejebringes en enkel indstilling af den ønskede skærelængde på et tagværkselement.FIG. 1 depicts a configuration consisting of two saw units 1 and 2 in the form of known saw units arranged side by side and connected by means of a rail groove 13, one of the saws 2 being stationary while the second saw 1 is movable in the lateral direction relative to saw 2, thus providing a simple adjustment of the desired cutting length on a roofing element.

Savenhederne 1 og 2 omfatter et drejebord 3 til indstilling af skærevinklen (± 90°) med et savblad, som kan vippes 45°. Drejebordet 3 kan indstilles 180° ved hjælp af et værktøj (ikke vist), som er placeret i egnede huller i drejebordet jo til manuel eller motoriseret omdrejning/indstilling af skærevinklen. En øverste beskyttelsesanordning 4 med sugning er placeret oven over drejebordet 3, hvor den øverste beskyttelsesanordning 4 er monteret løftbart og sænkbart på en fastgøringsdel 5, som er monteret via en arm 6 i savens ene rand/hjørne. På modsatte sider af savene 1 og 2 findes der indtrækningsanordninger 7 til at 35 fastgøre stammen mod en slæde 8, som er placeret indstilleligt på arbejdsbordet, og udstøderanordninger 9 i form af rullebaner, som kan hæves og sænkes, til automatisk overføring af færdigbehandlede tagværksdele fra arbejdsbordet til et område bag ved savene. Slæden 8, som er udstyret med et anslag 10 til at ligge 3 DK 174043 B1 an mod tagværkselementet, og som arbejder sammen med indtrækningsanordningen 7 for at fastgøre stammen, kan indstilles ved hjælp af en løftestang 11 for at opnå korrekt centerafstand. Til positionering af stammerne i længderetningen findes der et indstilleligt anslag 14 modsat slæden 8. Endvidere fjernes s endeafskæringer og lignende automatisk ved hjælp af en trykluftdrevet anord ning 15, som “fejer” arbejdsbordet, fortrinsvis på savenheden 1.The saw units 1 and 2 comprise a turntable 3 for adjusting the cutting angle (± 90 °) with a saw blade which can be tilted 45 °. The turntable 3 can be adjusted 180 ° by means of a tool (not shown) which is located in suitable holes in the turntable for manual or motorized rotation / adjustment of the cutting angle. An upper suction protective device 4 with suction is located above the turntable 3, where the upper protective device 4 is mounted liftable and lowerable on a fastening part 5 which is mounted via an arm 6 in one edge / corner of the saw. On opposite sides of the saws 1 and 2 there are retracting devices 7 for attaching the stem to a carriage 8 which is adjustably placed on the work table, and ejection devices 9 in the form of rollers which can be raised and lowered for automatic transfer of finished roofing parts from the workbench to an area behind the saws. The carriage 8, which is provided with a stop 10 for abutting the roof element, and which works with the retraction device 7 to secure the stem, can be adjusted by a lever 11 to obtain the correct center distance. For positioning the trunks longitudinally, there is an adjustable stop 14 opposite the carriage 8. Furthermore, end cuts and the like are automatically removed by means of a compressed air driven device 15 which "sweeps" the work table, preferably on the saw unit 1.

Indretningen betjenes ved hjælp af en styreanordning 12, som er placeret mellem savenhederne 1 og 2 og består af en tohånds-udløsningsanordning, som styrer arbejdscyklusen ved hjælp af PLS-styring (ikke vist). io Fremstillingen af tagværkselementer eller andre træmaterialer, hvorved begge ender af stammerne skal skæres, udføres på den følgende måde:The device is operated by a control device 12 which is located between the saw units 1 and 2 and consists of a two-hand release device which controls the duty cycle by means of PLC control (not shown). io The manufacture of roofing elements or other wood materials, whereby both ends of the trunks are to be cut, is carried out as follows:

Indretningen, som ifølge fig. I er sammensat af to halvautomatiske maskiner, fortrinsvis Gjerde-saven, hvor savbladet er anbragt under bordpla-den/drejebordet og under skæringen løftes op igennem dette, og hvor kun tilis førslen af stammerne udføres manuelt, indstilles i forhold til den ønskede skæ relængde ved hjælp af saven l og i forhold til stammens bredde ved hjælp af løftestangen 11. Stammerne positioneres i længderetningen ved hjælp af det indstillelige anslag 14 og tilføres derpå kontinuerligt ved hjælp af indtrækningsanordningen til den korrekte position. Den efterfølgende arbejdscyklus 20 styres automatisk ved hjælp af tohånds-udløsningsanordningen 12. Stammen, som positioneres mod anslagene 10 ved hjælp af trykluftindtrækningsanordningerne 7, fastgøres derpå ved hjælp af fastgøringsanord-ninger 5, medens de øverste beskyttelsesanordninger 4 samtidigt sænkes ned over skærezonerne. Savbladene føres op igennem en slids i arbejdsbordet, skæ-2s rer stammen og vender tilbage til startstillingen. De øverste beskyttelsesanord ninger 4, fastgøringsanordningerne 5 og indtrækningsanordningerne 7 vender derpå tilbage, og stammen løftes ved hjælp af rullebanen 9 og vippes ud bag ved savenhederne. Til sidst fjernes endeafskæringer og lignende ved hjælp af anordningen 15, fortrinsvis på savenheden 1. jo Rullebanen 9, som er placeret i forlængelse af skinnesporet 13, muliggør, at korte materialestammer kan skæres, og eventuel skæring af både lige og langsgående indsnit i form af kiler.The device according to FIG. You are made up of two semi-automatic machines, preferably the Fence saw, where the saw blade is placed under the worktop and pivot table and during the cutting is lifted through it, and where only the movement of the stems is performed manually, adjusted to the desired cutting length at by means of the saw 1 and in relation to the width of the trunk by the lever 11. The trunks are positioned longitudinally by the adjustable stop 14 and then continuously fed by means of the retraction device to the correct position. The subsequent duty cycle 20 is automatically controlled by the two-hand release device 12. The stem, which is positioned against the stops 10 by the compressed air retraction devices 7, is then secured by means of fasteners 5, while the upper protection devices 4 are simultaneously lowered over the cutting zones. The saw blades are led up through a slot in the workbench, cutting the stem and returning to the starting position. The upper protective devices 4, the fasteners 5 and the retracting devices 7 then return and the trunk is lifted by the roller 9 and tilted out behind the saw units. Finally, end cuts and the like are removed by means of the device 15, preferably on the saw unit 1. The roller web 9, which is located in extension of the rail groove 13, allows short material trunks to be cut, and possible cutting of both straight and longitudinal incisions in the form of wedge.

Maskinerne kan også leveres med ekstraudstyr, som forøger automatiseringsgraden med det resultat, at indretningen kan omdannes til en forudpro-35 grammerbar fuldautomatisk indretning til fremstilling af tagværkselementer.The machines can also be supplied with optional equipment which increases the degree of automation with the result that the device can be transformed into a pre-programmable fully automatic device for the manufacture of roofing elements.

Dette kan udføres ved hjælp af fx. PC-styring og tilførselsdrejeborde (skære-vinkel), vippeanordninger til savblad, længdeindstilling samt fremføring og udtagning af stammerne ved pneumatisk, hydraulisk eller elektrisk drift.This can be accomplished using e.g. PC control and supply turntables (cutting angle), saw blades for saw blades, length adjustment and feeding and removal of the trunks by pneumatic, hydraulic or electrical operation.

Claims (3)

1. Fremgangsmåde til fremstilling af tagværkselementer eller andre træelementer, hvorved begge endeafsnit skal skæres, og hvorved der anvendes to sa-5 venheder, som opstilles i en ønsket afstand fra hinanden, og hvorved stammen fastgøres under skæringen, idet stammen derpå fastgøres med en kraft, som presser stammen mod savbordet, medens savbladet samtidigt bevæges op fra bordets underside, hvorved bladet først har fået en ønsket vinkelposition, hvorpå det skårne, færdigbehandlede element føres ud, medens endeafskærin-io gerne fjernes fra savbordet, kendetegnet ved, at der, efter at de to savenheder (1, 2) er blevet opstillet i den ønskede afstand fra hinanden, fremføres e n stamme i sin længderetning, indtil stammen ligger an mod et endeanslag (14), at stammen derpå bevæges i tværretningen til den korrekte skæreposition, og at det skårede, færdigbehandlede element føres videre ud i tværretningen, isA method of manufacturing roofing elements or other wood elements, whereby both end sections are to be cut, using two saw units which are set at a desired distance from each other and thereby securing the trunk during the cutting, the trunk being then secured with a force. which presses the stem towards the saw table while simultaneously moving the saw blade up from the underside of the table, whereby the blade has first been given a desired angular position, at which the cut finished piece is removed, while the end cut is removed from the saw table, characterized in that, after that the two saw units (1, 2) have been positioned at the desired distance from each other, a stem is advanced in its longitudinal direction until the stem abuts an end stop (14), the stem then moves in the transverse direction to the correct cutting position, and the cut, finished element is advanced in the transverse direction, ice 2. Indretning til fremstilling af tagværkselementer eller andre træelementer, hvorved begge endeafsnit skæres, omfattende to savenheder (1, 2), hvorved i det mindste den ene af enhederne (I) kan bevæges mod og fra den anden enhed på en gulvmonteret skinneanordning (13), hvor der som savenheder (I, 2) er anvendt to i og for sig kendte save, som aktiveres fra en fælles styrepult (12), 2o med savbord og et kipbart og vinkelindstilleligt savblad, som kan indstilles individuelt med mulighed for skæring i alle vinkler mellem 0 og 180°, dvs. også skæring af længdeindsnit og kiler, kendetegnet ved, at 1. bordet til disse savenheder er udstyret med midler (14, 8, 7), som kan bevæges frem og tilbage for at anbringe stammen i den korrekte position i 25 længderetningen mellem savenhederne og i tværretningen i forhold til savbladet, 2. der oven over savens arbejdsområde findes et beskyttelsesdæksel (4), som kan løftes og sænkes, og som er udstyret med fastgøringsmidler (5, 6), som ligger an mod stammens øverste overflade, 30 3 ) begge savborde (1, 2) er udstyret med synkront virkende udstødermidler (9) til det fremstillede element og fortrinsvis også med midler (15) til fjernelse af endeafskæringer, og 4. der i indretningens længderetning foran den ene sav (2) er installeret en rullebane, der forlænges som en forlængelse af savens (2), hvilken rulle-33 bane er udstyret med midler til fremføring af stammer eller fjernelse af overskydende materiale. DK 174043 B1 5A device for manufacturing roofing elements or other wood elements, thereby cutting both end sections, comprising two saw units (1, 2), whereby at least one of the units (I) can be moved towards and from the other unit on a floor mounted rail device (13 ) in which, as saw units (I, 2), two known saws are used which are actuated from a common control desk (12), 2o with saw table and a tiltable and angular saw blade which can be individually adjusted with the possibility of cutting in all angles between 0 and 180 °, ie also cutting longitudinal incisions and wedges, characterized in that the first table for these saw units is equipped with means (14, 8, 7) which can be moved back and forth to place the stem in the correct longitudinal position between the saw units and in the transverse direction with respect to the saw blade; 2. above the working area of the saw there is a liftable cover (4) which can be lifted and lowered and which is provided with fasteners (5, 6) which abut the upper surface of the trunk, 3) both saw tables (1, 2) are provided with synchronously acting out means (9) for the fabricated element and preferably also with means (15) for removing end cuts, and 4. a runway is installed in the longitudinal direction of the device in front of one saw (2). which is extended as an extension of the saw (2), which roller-33 web is provided with means for conveying stems or removing excess material. DK 174043 B1 5 3. Indretning ifølge krav 2, kendetegnet ved, at positioneringsmidlerne til stammerne omfatter indstillelige anslag og slæder (8, 10, 14).Device according to claim 2, characterized in that the positioning means for the strains comprise adjustable stops and slides (8, 10, 14).
DK199701534A 1995-06-28 1997-12-23 Process for manufacturing roofing elements and means for carrying out the method DK174043B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO952604 1995-06-28
NO952604A NO303050B1 (en) 1995-06-28 1995-06-28 Device for manufacturing roofing elements
NO9600159 1996-06-27
PCT/NO1996/000159 WO1997001421A1 (en) 1995-06-28 1996-06-27 Method for producing roof truss elements and means for use by the method

Publications (2)

Publication Number Publication Date
DK153497A DK153497A (en) 1997-12-23
DK174043B1 true DK174043B1 (en) 2002-05-06

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DK199701534A DK174043B1 (en) 1995-06-28 1997-12-23 Process for manufacturing roofing elements and means for carrying out the method

Country Status (7)

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AU (1) AU6370496A (en)
DE (1) DE19681476T1 (en)
DK (1) DK174043B1 (en)
FI (1) FI974619A (en)
NO (1) NO303050B1 (en)
SE (1) SE512403C2 (en)
WO (1) WO1997001421A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2750399A (en) * 1998-03-06 1999-09-20 Ernex As Carpenter's and joiner's power saw
NO305640B1 (en) * 1998-03-06 1999-07-05 Ernex As Rolling system for building cases

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CH161109A (en) * 1932-04-04 1933-04-15 Isler Fritz Device for cutting strips, frame parts, etc.
GB1124586A (en) * 1965-06-18 1968-08-21 Beves & Co Ltd Saw unit
US3543815A (en) * 1967-09-25 1970-12-01 Troy Steel Corp Truss cutting apparatus with two cutting stations
CH625739A5 (en) * 1978-03-22 1981-10-15 Irion W & P Circular cross-cut saw
DE3314175C1 (en) * 1983-04-19 1984-08-16 Josef Aigner KG, 8223 Traunreut Method and apparatus for cutting wood into lengths
FR2553331A1 (en) * 1983-10-13 1985-04-19 Archetti Guy Device for cutting the free ends of the rafters of an installed roof frame
US4545274A (en) * 1984-08-01 1985-10-08 Speed Cut, Inc. Hip, valley and jack rafter cutting apparatus
DE3630908C2 (en) * 1986-09-11 1995-11-16 Bernhard Kreye Double miter saw device for cutting profiles

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FI974619A0 (en) 1997-12-23
DK153497A (en) 1997-12-23
WO1997001421A1 (en) 1997-01-16
DE19681476T1 (en) 1998-07-02
NO952604D0 (en) 1995-06-28
AU6370496A (en) 1997-01-30
FI974619A (en) 1997-12-23
SE9704820L (en) 1997-12-22
SE512403C2 (en) 2000-03-13
SE9704820D0 (en) 1997-12-22
NO952604L (en) 1996-12-30
NO303050B1 (en) 1998-05-25

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