NO743787L - - Google Patents
Info
- Publication number
- NO743787L NO743787L NO743787A NO743787A NO743787L NO 743787 L NO743787 L NO 743787L NO 743787 A NO743787 A NO 743787A NO 743787 A NO743787 A NO 743787A NO 743787 L NO743787 L NO 743787L
- Authority
- NO
- Norway
- Prior art keywords
- bossing
- sleeve
- foundation
- post
- stated
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000004873 anchoring Methods 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 102000015933 Rim-like Human genes 0.000 claims description 2
- 108050004199 Rim-like Proteins 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
- Road Signs Or Road Markings (AREA)
Description
Anordning for forankring av stolper og master. Device for anchoring posts and masts.
Foreliggende oppfinnelse vedrorer en anordning for forankring av stolper og master i marken, hvilken anordning består av et fundament med et vertikalt, fortrinnsvis sylindrisk hull, i hvilket stolpen eller masten er beregnet på å nedfores. Med stolper og master menes i denne sammenheng f.eks. stolper for parkometre, vei- eller gateskilter, gatebelysning, festestolper for vei-rekkverk eller stakitt, flaggstenger og lignende. The present invention relates to a device for anchoring posts and masts in the ground, which device consists of a foundation with a vertical, preferably cylindrical hole, in which the post or mast is intended to be lowered. Posts and masts in this context mean e.g. posts for parking meters, road or street signs, street lighting, fixing posts for road railings or fences, flagpoles and the like.
Anordninger av dette slag er tidligere kjent f.eks. fra det svenske patent 35 2.683. Slike anordninger er imidlertid forholdsvis kompliserte og gir dessuten en noe for stiv innfesting av stolpen eller masten, slik at denne er forholdsvis lett å knekke. Devices of this kind are previously known, e.g. from the Swedish patent 35 2,683. However, such devices are relatively complicated and also provide a somewhat too rigid fastening of the post or mast, so that it is relatively easy to break.
I Oppfinnelsen har derfor til formål å eliminere ulempene vedThe Invention therefore aims to eliminate the disadvantages of
slike tidligere kjente anordninger for forankring av stolper og master, og den kjennetegnes ved at det ved hullets ovre kant og i dette er anordnet en rundtgående bossing av gummi e.l. elastisk materiale, og at det på stolpen eller masten er tredd en i den nedre del slisset hylse av stivere materiale enn materialet i bossingen, hvilken hylse er glidbar på masten eller stolpen og er beregnet på fritt fra betongfundamentet å presses inn mellom bossingen og fundamenthullet for tilveiebringelse av en elastisk forankring av stolpen eller masten. such previously known devices for anchoring posts and masts, and it is characterized by the fact that at the upper edge of the hole and in this, a circumferential bossing of rubber or the like is arranged. elastic material, and that a slotted sleeve of stiffer material than the material in the bossing is threaded onto the post or mast, which sleeve is slidable on the mast or post and is intended to be pressed in between the bossing and the foundation hole free from the concrete foundation for providing an elastic anchoring of the post or mast.
Et antall foretrukne utforelsesformer av oppfinnelsen skal iA number of preferred embodiments of the invention shall i
det efterfolgende bli beskrevet i detalj under henvisning til tegningene, hvor the following will be described in detail with reference to the drawings, where
fig. 1 viser et vertikalsnitt gjennom en del av stolpen og fundamentet ifolge oppfinnelsen. Fig. 2 viser på samme måte som i fig. 1 en alternativ utforelses-form av oppfinnelsen, idet den venstre halvdel av figuren viser anordningen for neddrivningen av hylsen, mens den hoyre halvdel viser anordningen i endelig låst tilstand. fig. 1 shows a vertical section through part of the post and the foundation according to the invention. Fig. 2 shows in the same way as in fig. 1 an alternative embodiment of the invention, with the left half of the figure showing the device for driving down the sleeve, while the right half shows the device in its final locked state.
Fig. 3 viser et lite avsnitt delvis i tverrsnitt av bossingenFig. 3 shows a small section, partly in cross-section of the bossing
for anordningen ifolge oppfinnelsen. for the device according to the invention.
Fig. 4 viser skjematisk en stopeform med stopekjerne, i hvilken betongfundamentet kan stopes, og Fig. 4 schematically shows a stop shape with a stop core, in which the concrete foundation can be stopped, and
fig. 5 viser i forstorret målestokk en innringet del i fig. 2.fig. 5 shows on an enlarged scale a circled part in fig. 2.
Den i fig. 1 viste anordning omfatter et fundament 1 av f.eks. betong med en armering 2. Fundamentet er beregnet på å nedgra-ves i marken. Fundamentet utgjores av et rotasjonssymmetrisk legeme med et aksielt gjennomgående hull 3. I hullet 3 nedfores en mast eller en stolpe 4 av f.eks. stålror. Ved hullets 3 The one in fig. The device shown in 1 comprises a foundation 1 of e.g. concrete with reinforcement 2. The foundation is intended to be buried in the ground. The foundation is made up of a rotationally symmetrical body with an axially through hole 3. In the hole 3, a mast or a post 4 of e.g. steel rudder. At the 3rd of the hole
ovre kant er fundamentet 1 forsynt med en med hullet konsentrisk uttagning 5. I uttagningen 5 er ved hjelp av en limfuge 6 fes-tet en ringformet bossing 7 av et elastisk materiale, f.eks. en upper edge, the foundation 1 is provided with a concentric recess 5 with the hole. In the recess 5, an annular boss 7 of an elastic material, e.g. one
!gummibossing med hårdheten ca. 70° Chord. Slik det fremgår av tegningen er bossingen 7 vinkelformet i tverrsnitt med en hori-sontal gren 8 som ligger oppå fundamentet 1 samt en vertikal gren 9 som er opptatt i uttagningen 5 men .rager delvis inn i hullet 3. For at den rundt masten 4 liggende slissede hylse 11 skal være lettere å fore inn i bossingen 7, har dennes verti-kale gren 9 en avfasing 10. !rubber bosses with a hardness of approx. 70° Chord. As can be seen from the drawing, the bossing 7 is angular in cross-section with a horizontal branch 8 which lies on top of the foundation 1 and a vertical branch 9 which is occupied in the recess 5 but partly projects into the hole 3. So that the surrounding mast 4 lying slotted sleeve 11 should be easier to insert into bossing 7, its vertical branch 9 has a chamfer 10.
Den slissede hylse 11 består fortrinnsvis av aluminium, hårdplast eller et annet lignende materiale. Hylsen 11 kan f.eks. ha fire gjennomgående slisser i den nedre ende som vender mot bossingen 7. Disse slisser fremgår ikke av tegningen men de strekker seg oppad fra hylsens 11 nedre kant noe over hylsens avfasning 12. Hylsen 11 har oventil en rundtgående krave 13, som efterat hylsen er fort inn i bossingen 7 vil ligge over bossingens horisontale gren 8. The slotted sleeve 11 preferably consists of aluminium, hard plastic or another similar material. The sleeve 11 can e.g. have four continuous slits at the lower end facing the bossing 7. These slits are not apparent from the drawing, but they extend upwards from the lower edge of the sleeve 11 slightly above the chamfer of the sleeve 12. The sleeve 11 has a circumferential collar 13 at the top, which behind the sleeve is fast into the bossing 7 will lie above the bossing's horizontal branch 8.
Ved forankring av stolpen eller masten 4 fores denne forst ned i hullet 3, hvorpå hylsen 11 som glir på stolpen presses eller slås ned mellom denne og bossingen 7. Når hylsen er helt ned-fort er bossingen 7 sammenpresset ca. 30%, og stolpen med hylsen 11 omsluttes nu helt av bossingen 7. På grunn av at hylsens 11 nedre del har gjennomgående slisser besitter den en viss fjæringsevne, hvilket i dette tilfelle medforer at hylsen . 11 efter innforingen i bossingen 7 klemmer rundt stolpen 4 så kraftig at denne ikke uten videre kan fores ut av dens nu for-ankrede stilling. Da bossingen 7 består av et elastisk materiale vil den utjevne de varmeutvidelser og varmesammentrekninger som kan forekomme i hylsen 11 og masten eller stolpen 4. Stolpen eller masten vil således alltid være fast forankret i fundamentet 1 stort' sett uavhengig av temperatur og årstid. When anchoring the post or mast 4, this is first inserted into the hole 3, after which the sleeve 11 which slides on the post is pressed or knocked down between this and the bossing 7. When the sleeve is all the way down, the bossing 7 is compressed approx. 30%, and the post with the sleeve 11 is now completely enclosed by the bossing 7. Due to the fact that the lower part of the sleeve 11 has continuous slits, it possesses a certain springing capacity, which in this case means that the sleeve . 11 after the insertion into the bossing 7 clamps around the post 4 so strongly that it cannot be easily moved out of its now anchored position. As the bossing 7 consists of an elastic material, it will equalize the thermal expansions and thermal contractions that may occur in the sleeve 11 and the mast or post 4. The post or mast will thus always be firmly anchored in the foundation 1, largely regardless of temperature and season.
Ved neddrivning av hylsen i bossingen ved anordningen ifolge fig. 1 kan det inntreffe at bossingen, som fortrinnsvis er limt mot betongfundamentet, kan losne på grunn av friksjon mellom hylsen og bossingen, og dette kan medfore at vanskelig-heter oppstår når hylsen skal drives ned til riktig stilling. Hvis masten eller stolpen rugges kraftig og langvarig kan det også inntreffe at hylsen er tilboyelig til å forskyve seg oppad When driving down the sleeve in the bossing with the device according to fig. 1, it can happen that the bossing, which is preferably glued to the concrete foundation, can loosen due to friction between the sleeve and the bossing, and this can mean that difficulties arise when the sleeve has to be driven down to the correct position. If the mast or pole is rocked strongly and for a long time, it can also happen that the sleeve is prone to shift upwards
!på grunn av ruggebevegelsen og samvirke med den elastiske bos-!due to the rocking movement and cooperation with the elastic bos-
sing, slik at forbandet mellom stolpen og betongfundamentet blir mangelfullt. I visse tilfeller kan det også inntreffe at hylsen ved sin suksessive forskyvning oppad trekker med seg bossingen, sing, so that the connection between the post and the concrete foundation is inadequate. In certain cases, it can also happen that the sleeve pulls the boss along with its successive displacement upwards,
slik at denne forskyves eller rulles opp ut av betongfundamentet. so that this is displaced or rolled up out of the concrete foundation.
Oppfinnelsen har derfor også til formål å lose disse problemer,The invention therefore also aims to solve these problems,
og losningen tilveiebringes dels ved at bossingen er utformet påand the loosening is partly provided by the bossing being designed on
en slik måte at den med en eller annen del kan stopes inn i betongfundamentet i forbindelse med fremstillingen av dette, such a way that one part or another can be stuffed into the concrete foundation in connection with the production of this,
dels også ved at bossingen og betongfundamentet er utformet påpartly also by the fact that the bossing and the concrete foundation are designed on
en slik måte at de tillater en viss materialflytning i hylsen ved nedbrytingen av denne mellom stolpen og betongfundamentet, such a way that they allow a certain amount of material to flow in the sleeve when it breaks down between the post and the concrete foundation,
og denne materialforskjovne del av hylsen danner en sperre mot ufrivillig forskyvning oppad av hylsen. and this material-displaced part of the sleeve forms a barrier against involuntary upward displacement of the sleeve.
Ved den i fig. 2-5 viste anordning har bossingen 7 en felglignende form, og har slik det best fremgår av fig. 3 og 5 to radielt utad ragende grener 7a og 7b og et indre sammenbindende liv 7c. Grenene 7a og 7b vider seg noe utad fra hverandre, og de er i de ytre.ender forsynt med fra hverandre vendte fotter 7d resp. 7e for å forbedre innfestingen av bossingen i betongfundamentet. Fra omkring midten av den nedre gren 7b( når montert, loper en tetningsleppe 7f radielt innad og på skrå nedad, hvilken tetningsleppe er kileformet i tverrsnitt og danner en tetnings- By the one in fig. 2-5 device shown, the bossing 7 has a rim-like shape, and has, as can best be seen from fig. 3 and 5 two radially outwardly projecting branches 7a and 7b and an internal connecting web 7c. The branches 7a and 7b widen slightly outwards from each other, and they are provided at the outer ends with feet 7d and respectively turned away from each other. 7e to improve the anchoring of the bossing in the concrete foundation. From about the middle of the lower branch 7b (when assembled, a sealing lip 7f runs radially inwards and obliquely downwards, which sealing lip is wedge-shaped in cross-section and forms a sealing
egg 7g i den innerste resp. nederste ende. Bossingens liv 7c og tetningsleppen 7f danner et radielt innad åpent, skålformet parti anordnet for å kunne oppta materialflytninger i hylsen 11 egg 7g in the innermost resp. lower end. The bossing's life 7c and the sealing lip 7f form a radially inwardly open, bowl-shaped part arranged to accommodate material flows in the sleeve 11
ved inndrivningen av denne i betongfundamentet.when driving this into the concrete foundation.
Tetningsleppen 7f har en dobbel funksjon. Dels danner tetningsleppen en stotte for den nedre gren 7b og livet 7c, hvorved den hindrer vesentlige formendringer i bossingen ved inndrivningen av hylsen 11. Videre tjener tetningsleppen 7f som en tetning i forbindelse med stopingen av betongfundamentet, slik at betongen hindres fra å trenge inn i det skålformede ringparti 7h mellom livet 7c og tetningsleppen 7f. Dette vises skjematisk i fig. 4, hvor stopeformen 14 danner fundamentets ytre og nedre stopestbtte, mens en stopeform 15 danner den vesentlige del av hullet 3. The sealing lip 7f has a double function. Partly, the sealing lip forms a support for the lower branch 7b and the web 7c, whereby it prevents significant shape changes in the bossing when the sleeve 11 is driven in. Furthermore, the sealing lip 7f serves as a seal in connection with the filling of the concrete foundation, so that the concrete is prevented from penetrating into the bowl-shaped ring portion 7h between the web 7c and the sealing lip 7f. This is shown schematically in fig. 4, where the stop shape 14 forms the foundation's outer and lower stop support, while a stop shape 15 forms the essential part of the hole 3.
jKjernen 15 ligger an mot livet 7c og tetningsleppen 7f, og eiet fremgår av figuren at inntrengning av betong i det skålformede ringparti 7h effektivt hindres av tetningsleppen 7f. jThe core 15 rests against the web 7c and the sealing lip 7f, and it is clear from the figure that the penetration of concrete into the cup-shaped ring part 7h is effectively prevented by the sealing lip 7f.
Ved inndrivningen av hylsen 11 drives dennes forreste ende under medvirkning av den avfasede kant 12 forbi bossingens liv 7c og ned mot den kant 16 av betongfundamentet, mot hvilken tetningsleppen 7f ligger an, og bossingens liv 7c, tetningsleppen 7f og hylsen 11 danner derved en luftlomme under bossingen. Ved inndrivningen av hylsen 11 presses bossingens liv 7c sammen, og samtidig finner en viss sammenpresning sted av den fortrinnsvis av ett plastmateriale bestående hylse 11. Bossingen er elastisk, When the sleeve 11 is driven in, its front end is driven under the influence of the chamfered edge 12 past the bossing's life 7c and down towards the edge 16 of the concrete foundation, against which the sealing lip 7f abuts, and the bossing's life 7c, the sealing lip 7f and the sleeve 11 thereby form an air pocket during the bossing. When the sleeve 11 is driven in, the bossing's life 7c is pressed together, and at the same time a certain compression takes place of the sleeve 11, which preferably consists of one plastic material. The bossing is elastic,
og noen bestående materialdeformasjon skjer ikke i denne. Hyl-and any existing material deformation does not occur in this. howl-
sen er derimot plastisk, og ved sammenpressingen av denne, når den passerer bossingens liv finner en viss koldflyting sted, However, sinew is plastic, and when it is compressed, when it passes through the life of the bossing, a certain cold flow takes place,
hvilket medforer at reduseringen av hylsens tykkelse i plan med bossingens liv kompenseres av en tilsvarende oppsvulming spesi- which means that the reduction in the thickness of the sleeve in line with the life of the bossing is compensated by a corresponding swelling spe-
elt i den luftlomme, som dannes av det skålformede ringparti 7h. Denne oppsvulming i hylsen 11, som er antydet med henvisnings-tallet lia i fig. 5, danner en sperre mot ufrivillig forskyvning oppad av hylsen, slik at denne stadig inntar én og samme stil- knit in the air pocket, which is formed by the bowl-shaped ring part 7h. This swelling in the sleeve 11, which is indicated by the reference number 1a in fig. 5, forms a barrier against involuntary upward displacement of the sleeve, so that it constantly assumes one and the same style-
ling i forhold til bossingen også ved sterk og langvarig rugging av stolpen 4. i fundamentet. ling in relation to the bossing also by strong and long-term rocking of the post 4. in the foundation.
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7314387A SE391553B (en) | 1973-10-23 | 1973-10-23 | DEVICE FOR ANCHORING POLE OR MASTER |
Publications (1)
Publication Number | Publication Date |
---|---|
NO743787L true NO743787L (en) | 1975-05-20 |
Family
ID=20318899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO743787A NO743787L (en) | 1973-10-23 | 1974-10-21 |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT354046B (en) |
DE (1) | DE2450064A1 (en) |
DK (1) | DK556474A (en) |
FI (1) | FI308874A (en) |
FR (1) | FR2248389A1 (en) |
NO (1) | NO743787L (en) |
SE (1) | SE391553B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2921405C2 (en) * | 1979-05-26 | 1983-11-10 | Julius Cronenberg Ohg, 5760 Arnsberg | Coverable ground sleeve for holding a flagpole |
DE3007442C2 (en) * | 1980-02-28 | 1983-02-10 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Device for anchoring high cantilevered, dynamically stressed structures |
FR2641557A1 (en) * | 1989-01-11 | 1990-07-13 | Concept Urbain | Device for fastening a post or pole to the ground |
AU731034B2 (en) * | 1997-11-07 | 2001-03-22 | Cooper, Brian | Support post securing system |
US6256961B1 (en) | 1998-08-27 | 2001-07-10 | Dennis S. Byrnes | Utility pole base construction |
GB0216513D0 (en) * | 2002-07-17 | 2002-08-28 | Baldwin Hodges Ireland Ltd | Post mounting arrangement |
DE10240586B4 (en) * | 2002-08-27 | 2005-07-07 | Gebr. Sträb GmbH & Co. | Device for fixing rod-shaped objects, e.g. Pipe posts, in natural soil or in fixed ground |
CN101351607B (en) * | 2005-12-01 | 2012-07-04 | 诺克许可有限公司 | Anchoring system for posts |
NL1036171C2 (en) * | 2008-11-07 | 2009-10-05 | Johan Nol Leeffers | Pole or fence for being anchored in floor or wall to protect floor or wall approaching vehicle |
DE102009051912A1 (en) * | 2009-11-04 | 2011-05-05 | H+P Ingenieure Gmbh & Co. Kg | Method for strengthening foundation e.g. surface foundation, of wind turbine, involves partially hardening in-situ concrete extension, and pre-tensioning anchorage elements in underground, where elements held by extension |
GB2475305A (en) * | 2009-11-13 | 2011-05-18 | Statoil Asa | Wind turbine resilient support structure |
DE202010005965U1 (en) * | 2010-04-21 | 2011-08-29 | Rosen Swiss Ag | Sleeve, foundation and wind turbine |
FR3025536A1 (en) * | 2014-09-08 | 2016-03-11 | Mareal Engineering And Consulting | FOUNDATION FOR SEA CONSTRUCTIONS AND METHODS OF MANUFACTURING, ADJUSTING AND DISMANTLING SUCH A FOUNDATION |
FR3037606A1 (en) * | 2015-06-19 | 2016-12-23 | Jerome Birochau | VERTICAL FLAG HOLDING DEVICE |
KR102381966B1 (en) | 2016-04-15 | 2022-04-04 | 로젠 스위스 아게 | Gaskets for wind turbines |
CN112160643B (en) * | 2020-09-24 | 2022-04-08 | 安吉鼎兴水泥制品有限公司 | Wire pole convenient to replace |
-
1973
- 1973-10-23 SE SE7314387A patent/SE391553B/en unknown
-
1974
- 1974-10-18 AT AT840574A patent/AT354046B/en not_active IP Right Cessation
- 1974-10-21 FR FR7435261A patent/FR2248389A1/en active Granted
- 1974-10-21 NO NO743787A patent/NO743787L/no unknown
- 1974-10-22 FI FI3088/74A patent/FI308874A/fi unknown
- 1974-10-22 DE DE19742450064 patent/DE2450064A1/en active Pending
- 1974-10-23 DK DK556474A patent/DK556474A/da unknown
Also Published As
Publication number | Publication date |
---|---|
FR2248389B3 (en) | 1977-07-29 |
ATA840574A (en) | 1979-05-15 |
DK556474A (en) | 1975-06-16 |
DE2450064A1 (en) | 1975-04-24 |
AT354046B (en) | 1979-12-10 |
SE391553B (en) | 1977-02-21 |
FR2248389A1 (en) | 1975-05-16 |
SE7314387L (en) | 1975-04-24 |
FI308874A (en) | 1975-04-24 |
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