SE504224C2 - Ways to produce a shell-shaped structure with an inflatable mold - Google Patents

Ways to produce a shell-shaped structure with an inflatable mold

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Publication number
SE504224C2
SE504224C2 SE9501443A SE9501443A SE504224C2 SE 504224 C2 SE504224 C2 SE 504224C2 SE 9501443 A SE9501443 A SE 9501443A SE 9501443 A SE9501443 A SE 9501443A SE 504224 C2 SE504224 C2 SE 504224C2
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SE
Sweden
Prior art keywords
membrane
powder
space
concrete
layer
Prior art date
Application number
SE9501443A
Other languages
Swedish (sv)
Other versions
SE9501443D0 (en
SE9501443L (en
Inventor
Hans Gunnar Larsson
Original Assignee
Hg Tech 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 Hg Tech Ab filed Critical Hg Tech Ab
Priority to SE9501443A priority Critical patent/SE504224C2/en
Publication of SE9501443D0 publication Critical patent/SE9501443D0/en
Priority to PCT/SE1996/000460 priority patent/WO1996033324A1/en
Publication of SE9501443L publication Critical patent/SE9501443L/en
Publication of SE504224C2 publication Critical patent/SE504224C2/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B5/00—Hulls characterised by their construction of non-metallic material
    • B63B5/14—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced
    • 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
    • E04B1/16—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material
    • E04B1/167—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with permanent forms made of particular materials, e.g. layered products
    • E04B1/168—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with permanent forms made of particular materials, e.g. layered products flexible
    • E04B1/169—Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material with permanent forms made of particular materials, e.g. layered products flexible inflatable
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for structures of spherical, spheroid or similar shape, or for cupola structures of circular or polygonal horizontal or vertical section; Inflatable forms
    • E04G11/045—Inflatable forms

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Tents Or Canopies (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)

Abstract

The present invention relates to a method of manufacturing shell-shaped constructions, preferably of concrete, such as houses, ships' hulls, etc. According to the invention two flexible sheaths are arranged, an upper sheath outside a lower sheath, with a space (3) between them (1, 4) into which powder or particle-shaped material and binder are filled. Both sheaths (1, 4) are attached to a support surface or to the ground (2), after which pressure medium such as air is blown in between the support surface/ground (2) and the lower sheath/membrane (1), so that the sheath/membrane construction is inflated to the desired shape, after which the space (3) between the sheaths/membranes is evacuated with the aid of a vacuum pump (6), and the powder/particles in this layer are allowed to set so that a rigid layer is obtained where communication between its particles is retained.

Description

504 224 Z gjutningen ge deformatiomer pà "ballongen", vilket äventyrar hela gjutningen. 2. Här elimineras problemen med stabilitet enligt de i 1. beskrivna genom att ”ballongen” pumpas upp till ett högre tryck, exempelvis 0,1 bar, dvs cirka 10 ggr förfarandet enligt 1. 504 224 Z the casting give deformatioms on the "balloon", which endangers the whole casting. 2. This eliminates the problems of stability according to those in 1. described by pumping the "balloon" up to a higher one pressure, for example 0.1 bar, ie about 10 times the process according to 1.

Nackdelen med höga tryck är de enorma krafter, som krävs för att hàlla ballongen/halvsfären pà marken. (Vid 0,1 bars tryck i halvsfären krävs 1 ton per kvadratmeter, en konstruk- tion pà 200 m2 klarar 200 ton.) 3. Här löses stabilitetsproblemen med hjälp av skum och màttliga pumptryck kan användas. Nackdelen med förfarandet är det komplexa invändiga armeringssystem som krävs, samt det stora spillet invändigt av betong, som fas vid invändig (nedifràn) sprutning.The disadvantage of high pressures is the enormous forces required to keep the balloon / hemisphere on the ground. (At 0.1 bars pressure in the hemisphere requires 1 ton per square meter, a design tion of 200 m2 can handle 200 tons.) 3. Here the stability problems are solved with the help of foam and moderate pump pressures can be used. The disadvantage of the procedure is the complex internal reinforcement system required, as well as that large spill inside of concrete, as phase at inside (from below) spraying.

Det är även känt att i ett mellanrum mellan två rör (membran) fylla i pulver, varefter luften i detta mellan- rum evakueras, och kompaktering av pulvret erhålls och därmed en styvare kropp (US 3258883). Nágon användning av detta förfarande för byggnadsverksamhet är ej känt genom denna publikation.It is also known that in a space between two pipes (membrane) fill in powder, after which the air in this intermediate room is evacuated, and compaction of the powder is obtained and thus a stiffer body (US 3258883). Some use of this procedure for construction activities is not known through this publication.

Uppfinningen: Genom den svenska patentskriften 9303576-4 är förut patent- sökt ett sätt, utgörande en lösning av dessa problem. Detta sätt kännetecknas därav, att tvá elastiska höljen eller membran anordnas, ett övre utanpà ett undre med ett mellanrum 3 504 224 mellan dessa, i vilket ifylles pulverformigt material, bägge höljena fästa vid ett underlag eller marken, varefter mellan underlaget/marken, eller ett hjälpmembran, och ett undre membran inblàses ett tryckmedium, sásom luft, varvid membrankonstruktionen uppbláses till önskad form, varefter mellanrummet mellan höljena evakueras medelst en vakuumpump och pulvret härvid kompakteras till styvhet, varefter betong, sásom fiberarmerad betong, pásprutas utanpá det övre membranet, och att när betongen härdet/stelnat, tryckmediet släpps ut och luft släpps in i mellanrummet. Detta innebär möjlighet till att bygga normalstora eller större byggnader av exempelvis halvsfärisk eller kalottform, runda eller tillplattade eller med fràn dessa former avvikande form, och till relativt lágt pris.The invention: The Swedish patent specification 9303576-4 has previously sought a way, constituting a solution to these problems. This method is characterized in that two elastic covers or membrane is arranged, an upper outside a lower with a space 3 504 224 between these, in which powdered material is filled, both the covers are attached to a surface or the ground, after which between the substrate / ground, or an auxiliary membrane, and a lower one membrane, a pressure medium, such as air, is blown in, whereby the membrane structure is inflated to the desired shape, after which the space between the housings is evacuated by means of a vacuum pump and the powder is thereby compacted to stiffness, after which concrete, such as fiber-reinforced concrete, is sprayed on top the membrane, and that when the concrete has hardened / solidified, the pressure medium is released and air is let into the gap. This means possibility to build normal-sized or larger buildings of, for example, hemispherical or capillary shape, round or flattened or with a shape deviating from these shapes, and at a relatively low price.

Föreliggande uppfinning avser en komplettering av detta patentsökta sätt, och innebär en likvärdig lösning av ovannämnda problem. Detta sätt enligt föreliggande uppfin- ning kännetecknas därav, att tvâ elastiska höljen anordnas, ett utanpå ett undre med ett mellanrum mellan dessa i vilket ifylles pulver- eller partikelformigt material jämte binde- medel. Bägge höljena är fästade vid ett underlag eller vid marken, varefter mellan underlaget/marken och det undre höljet inbláses tryckmedium, såsom luft, varvid höljes/membrankonstruktionen uppbláses till önskad form, varefter mellanrummet mellan höljena/membranen evakueras medelst en vakuumpump, och pulvret/partiklarna får härda 504 224 ” och ett styvt skikt erhålles med bibehållen kommunikation mellan partiklarna.The present invention relates to a supplement thereto patent-pending methods, and involves an equivalent solution of the above problems. This method according to the present invention characterized in that two elastic covers are provided, one on the outside a lower one with a space between them in which filled in powder or particulate matter together with the binder average. Both covers are attached to a base or to the ground, after which between the base / ground and the lower the housing is blown into pressure medium, such as air, whereby the housing / membrane structure is inflated to the desired shape, after which the space between the housings / membranes is evacuated by means of a vacuum pump, and the powder / particles are allowed to harden 504 224 ” and a rigid layer is obtained with maintained communication between the particles.

Detta sätt är ett alternativ till det förstnämnda sätt och ger en alternativ möjlighet till att bygga normalstora eller större byggnader av exempelvis halvstärisk eller kalottform samt tillbyggnader till andra huskonstruktioner.This method is an alternative to the former method and provides an alternative opportunity to build normal-sized or larger buildings of, for example, semi-starch or skullcap as well as extensions to other house constructions.

Ritningar: Uppfinningen är närmare illustrerad i bifogade figurer, av vilka figur la-lc visar olika stadier av uppresande av en för en huskropp, ett bàtskrov etc. och en mall för ett isolerskikt, såsom betong etc., dvs ett första stadium av uppresande av ett hus, ett båtskrov etc. Figur ld visar påsprutning av betong. Figur 2a-2e visar en alternativ fram- ställning av båtkroppar och liknande enligt uppfinningen.Drawings: The invention is further illustrated in the accompanying figures, by which figures 1a-1c show different stages of erection of a for a house body, a boat hull etc. and a template for one insulating layers, such as concrete, etc., ie a first stage of erection of a house, a boat hull, etc. Figure ld shows spraying of concrete. Figures 2a-2e show an alternative position of boat bodies and the like according to the invention.

Utföringsexempelz I figur la visas hur man i ett fundament (2) placerar och förankrar två membran, ett övre (4) och ett undre (1). I mellanrummet (3) mellan dessa ifylls pulver, såsom sand, sågspån, lerkulor etc. samt bindemedel, såsom cementpasta, polymerer eller annat bindemedel, men endast i sådan mängd, att skelettstrukturen på det bildade siktet erhålles d.v.s. kommunikation mellan partiklarna består, ej såsom i det tidigare patentsökta sättet. Membranen (1,4) är fästa vid fundamentet (2) eller på ett underlag.Exemplary embodiments Figure 1a shows how to place and in a foundation (2) anchors two membranes, an upper (4) and a lower (1). IN the space (3) between them is filled with powders, such as sand, sawdust, clay balls, etc. and binders, such as cement paste, polymers or other binder, but only in such quantity, that the skeletal structure of the formed screen is obtained, i.e. communication between the particles exists, not as in it previously patent pending. The membranes (1,4) are attached to the foundation (2) or on a substrate.

I figur lb visas hur man medelst en pump (5) blàser in tryckmedium, såsom luft, i utrymmet (7) under det undre 5 504 224 membranet (1), och membranen (1,4) med mellanliggande pulver reser sig till önskad form, eventuellt under lite vakuum. Ett övertryck i utrymmet (7) om 0,001-0,01 bar är tillräckligt, beroende på membranets diameter, som dock kan vara relativt stor (för bildande av exempelvis ett hus). I mellanrummet kan förutom bindemedel iläggas s.k. Lecakulor, d.v.s. kulor av expanderad lera. När önskad form erhållits evakueras luften i pulvermellanrummet (3), se figur lc, och efter härdning erhålles ett styvt skikt med kommunikation mellan de olika partiklarna. Detta skikt erhåller god styvhet och bärighet.Figure 1b shows how to blow in by means of a pump (5) pressure medium, such as air, in the space (7) below 5,504,224 the membrane (1), and the membranes (1,4) with intermediate powder rises to the desired shape, possibly under a little vacuum. One overpressure in the space (7) of 0.001-0.01 bar is sufficient, depending on the diameter of the membrane, which may, however, be relative large (for the formation of, for example, a house). In the space can in addition to binders, so-called Lecakulor, i.e. bullets off expanded clay. When the desired shape is obtained, the air in is evacuated the powder gap (3), see figure 1c, and after curing a rigid layer is obtained with communication between the different ones the particles. This layer obtains good rigidity and bearing capacity.

Denna styvhet förhindrar deformationer av i formen ingående delar och ett fast skikt erhålles. Ett isolerskikt anbringas på detta underlag, avsett för värme- och/eller fuktisolering, exempelvis ett bibehållet övre hölje (4), eller efter bort- tagandet av detta påsprutning av ett isolerskikt, såsom betong, elastomer (gummi eller plast) (4). Evakueringen sker medelst en vakuumpump (6). På grund av vakuumet kommer membranen (1,4) att pressas mot varandra, varvid pulvret kompakteras enligt ovan och en komposit med stor styvhet bildats, som ger god stabilitet åt hela gjutformen.This rigidity prevents deformations of the mold parts and a solid layer is obtained. An insulating layer is applied on this surface, intended for thermal and / or moisture insulation, for example a retained upper casing (4), or after removal taking this spray on an insulating layer, such as concrete, elastomer (rubber or plastic) (4). The evacuation takes place by means of a vacuum pump (6). Due to the vacuum the membranes (1,4) will be pressed against each other, whereby the powder is compacted as above and a large composite rigidity is formed, which gives good stability to the entire mold.

I figur ld visas nästa steg där betong och fiber, såsom fiberarmerad betong, påsprutas (vid 8) mot formen (9b). När betongen härdat släpps luften i utrymmet under membranet (1) ut (7) och luft till mellanrummet (3) mellan membranen (1,4) in, varvid kompakteringen hävs, och membranen kan tas bort i och för återanvändning. Kvar står huskroppen (9a). Eventu- G*- 504 224 ellt kan det övre membranet (4) bibehàllas som ett isoler- skikt.Figure 1d shows the next step where concrete and fiber, such as fiber-reinforced concrete, is sprayed (at 8) against the mold (9b). When the concrete hardened, the air is released in the space under the membrane (1) out (7) and air to the space (3) between the membranes (1,4) in, whereby the compaction is lifted, and the membranes can be removed in and for reuse. The house body remains (9a). Event- G * - 504 224 otherwise, the upper membrane (4) can be maintained as an insulating layer.

Under förloppet enligt uppfinningen kan eventuellt lägre vakuum användas under uppblàsningen för att hindra pulvret frän att rinna. Man sprutar här pá betong (figur ld), exem- pelvis betong och fiber, alternativt sand och cement, vatten och fiber var för sig.During the process according to the invention may possibly be lower vacuum is used during inflation to prevent the powder from running. It is sprayed here on concrete (figure ld), for example pelvis concrete and fiber, alternatively sand and cement, water and fiber separately.

Förfarandet ger även möjlighet att i viss utsträckning påverka formen efter uppblàsning genom att det pulverformiga mediet (i 3) kan läggas pá i olika tjocklek, alternativt bestå av pulver med olika densitet. Exempelvis kan en mer elliptisk form åstadkommas genom att i centrum ha ett pulver med högre densitet (sand och sàgsàn). Resten kan vara övervägande sàgspàn. Där sanden finns tyngs membranet ner och bláses ej upp lika högt som det eljest skulle ha gjort.The procedure also provides the opportunity to some extent affect the shape after inflation by making it powdery the medium (in 3) can be applied in different thicknesses, alternatively consist of powders of different densities. For example, one can more elliptical shape is achieved by having a powder in the center with higher density (sand and saw). The rest can be predominantly saw span. Where the sand is, the membrane is weighed down and does not inflate as high as it otherwise would have done.

Man kan även anlägga ett isolerskikt under det undre membranet (1).You can also apply an insulating layer under the bottom membrane (1).

I figur 2a-2b visas tillverkning av bátskrov enligt uppfinningen. I figur 2a visas ett exempel pà membranform.Figures 2a-2b show the manufacture of boat hulls according to the invention. Figure 2a shows an example of a membrane shape.

Figur 2b är ett snitt A-A i figur 2a. (18) är ett hjälp- membran och (1 och 4) membran enligt ovan, samt (5) en tryckpump och (6) en vakuumpump. Förloppet sker i enlighet med det första exemplet. I yttermembranet fästes draglinor (19), se figur 2c, för att åstadkomma önskad skrovform.Figure 2b is a section A-A in Figure 2a. (18) is an aid membrane and (1 and 4) membrane as above, and (5) a pressure pump and (6) a vacuum pump. The process takes place in accordance with the first example. Traction lines are attached to the outer membrane (19), see Figure 2c, to achieve the desired hull shape.

Medelst en tryckpump (5) pumpas tryckmedium (exempelvis luft) in i ett utrymme mellan hjälpmembranet (18) och inner- ? 504 224 membranet (1), och höljes-/membrankroppen nedblàses i ett förberett utrymme under konstruktionen, varefter utrymmet (3) evakueras och pulvret i detta kompakteras till styvhet (figur 2d). Sedan den härdade formen enligt ovan erhållits tas membranen bort (figur 2e), och eventuellt isolerskikt pá- sprutas (vid 21) och ett bátskrov erhålles.By means of a pressure pump (5) pressure medium is pumped (for example air) into a space between the auxiliary membrane (18) and the inner ? 504 224 the membrane (1), and the casing / membrane body is blown into one prepared space during construction, after which the space (3) evacuated and the powder in this is compacted to stiffness (figure 2d). After the cured mold as obtained above is taken membranes removed (Figure 2e), and any insulating layer on sprayed (at 21) and a boat hull is obtained.

Sättet enligt uppfinningen kan varieras pá mángahanda sätt inom ramen för nedanstående patentkrav.The method according to the invention can be varied in many ways within the scope of the following claims.

Claims (6)

504 224 X ' EAIEEIKBêL504 224 X 'EAIEEIKBêL l.Sätt för tillverkning av skalformiga konstruktioner, före- trädesvis av betong, såsom hus, båtskrov etc, k ä n n e - t e c k n a t d ä r a v, att två elastiska höljen anordnas, att övre utanpå ett undre med ett mellanrum (3) mellan dessa (1,4), i vilket ifylles pulver- eller partikelformigt material och bindemedel, bägge höljena (1,4) fästa vid ett underlag eller vid marken (2), varefter mellan underlaget/ /marken (2) och det undre höljet/membranet (l) inblåses tryckmedium, såsom luft, varvid höljes/membrankonstruktionen uppblåses till önskad form (9), varefter mellanrummet (3) mellan höljena/membranen (3) evakueras medelst en vakuumpump (6) och pulvret/partiklarna i detta skikt får härda och ett styvt skikt med bibehållen kommunikation mellan dess partik- lar erhålles.1. Methods for the manufacture of shell-shaped structures, preferably of concrete, such as houses, boat hulls, etc., characterized in that two elastic covers are arranged, that the upper part of the lower part has a lower space (3) between them (1). , 4), in which powder or particulate material and binder are filled, both covers (1,4) attached to a base or to the ground (2), after which between the base / / ground (2) and the lower cover / membrane (1 ) pressure medium is blown in, such as air, whereby the casing / membrane construction is inflated to the desired shape (9), after which the space (3) between the casings / membranes (3) is evacuated by means of a vacuum pump (6) and the powder / particles in this layer are allowed to harden and a rigid layer with maintained communication between its particles is obtained. 2.Sätt enligt patentkrav 1, k ä n n e t e c k n a t d ä r - a v, att på det styva skiktet anordnas ett värme- och/eller fuktisolerande skikt, antingen genom bibehållande av det övre membranet eller efter borttagandet av detta isoler- material pålägges.2. A method according to claim 1, characterized in that a heat and / or moisture insulating layer is arranged on the rigid layer, either by maintaining the upper membrane or after the removal of this insulating material is applied. 3.Sätt enligt patentkrav 1, k ä n n e t e c k n a t d ä r- a v , att över det övre membranet (4), före den fullständiga inblåsningen av tryckmedium, läggs vajrar, tråd eller band för att därigenom åstadkomma en från kalottform eller del av sfär avvikande form för den slutliga produkten. 504 2243. A method according to claim 1, characterized in that over the upper membrane (4), before the complete blowing of pressure medium, wires, wire or strip are laid to thereby produce a shape deviating from the cap or part of the sphere. for the final product. 504 224 4.Sätt enligt patentkrav l, k ä n n e t e c k n a t d ä r- a v, att tryckmedium/luft inblàses mellan ett underlag eller ett hjälpmembran (18) och ett av höljena (1), placerat under underlaget/hjälpmembranet (18), varvid höljes-/membrankon- struktionen bláses nedàt till önskad form i ett förberett utrymme.4. A method according to claim 1, characterized in that pressure medium / air is blown in between a substrate or an auxiliary membrane (18) and one of the housings (1), placed under the substrate / auxiliary membrane (18), wherein the housing / the membrane structure is blown down to the desired shape in a prepared space. 5.Sätt enligt nàgot eller nágra av föregående patentkrav, k ä n n e t e c k n a t d ä r a v, att pulvret i mellan- rummet (3) páfylles med olika densitet och/eller olika tjocklek pá olika delar av ytan i avsikt att ná en frán kalott-eller delsfärsform avvikande form för den slutliga produkten.5. A method according to any one or more of the preceding claims, characterized in that the powder in the gap (3) is filled with different densities and / or different thicknesses on different parts of the surface in order to achieve a shape of a cap or partial mince. deviating form of the final product. 6.Sätt enligt nagot eller nâgra av föregående patentkrav, k ä n n e t e c k n a t d ä r a v, att pà den färdiggjutna kroppen páläggs isolermaterial, vilket övertäcks av plast, sàsom krympplast, varefter betong, såsom fiberarmerad betong, sprutas pá plasten i ett yttre skikt.6. A method according to any one or more of the preceding claims, characterized in that insulating material is applied to the finished cast body, which is covered with plastic, such as shrink plastic, after which concrete, such as fiber-reinforced concrete, is sprayed on the plastic in an outer layer.
SE9501443A 1995-04-20 1995-04-20 Ways to produce a shell-shaped structure with an inflatable mold SE504224C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9501443A SE504224C2 (en) 1995-04-20 1995-04-20 Ways to produce a shell-shaped structure with an inflatable mold
PCT/SE1996/000460 WO1996033324A1 (en) 1995-04-20 1996-04-10 Method of manufacturing shell formed constructions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9501443A SE504224C2 (en) 1995-04-20 1995-04-20 Ways to produce a shell-shaped structure with an inflatable mold

Publications (3)

Publication Number Publication Date
SE9501443D0 SE9501443D0 (en) 1995-04-20
SE9501443L SE9501443L (en) 1996-10-21
SE504224C2 true SE504224C2 (en) 1996-12-09

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WO (1) WO1996033324A1 (en)

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DE10340678A1 (en) * 2003-09-04 2005-04-28 Robert Off Method for producing the wall of a building
NL1029368C2 (en) * 2005-06-29 2007-01-02 Robert Marius Willibrord Hove Method for preparation of building construction uses hardenable material and inflatable body
ES2383971B1 (en) * 2011-01-24 2013-07-10 Van Den Bos Tore Trijnko Obbe SYSTEM OF CONSTRUCTION OF DUCTS AND OTHER HOLLOW STRUCTURES.
DE102013016659A1 (en) 2013-10-09 2015-04-09 Hochschule Anhalt Process for the production of a form-active structure and a structural support structure
NL2016558B1 (en) * 2016-04-06 2017-10-17 Josephus Maria Van Bree Johannes Supporting element, in particular a self-supporting supporting element, as well as a method for manufacturing the supporting element
RU2726347C1 (en) * 2019-12-30 2020-07-13 Валерий Николаевич Анисимов Method of making a hull of a floating facility (versions)

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