US3388509A - Inflatable construction panels and method of making same - Google Patents

Inflatable construction panels and method of making same Download PDF

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US3388509A
US3388509A US438337A US43833765A US3388509A US 3388509 A US3388509 A US 3388509A US 438337 A US438337 A US 438337A US 43833765 A US43833765 A US 43833765A US 3388509 A US3388509 A US 3388509A
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tubular members
skins
facing
members
facing skins
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US438337A
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Raul L Mora
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RAUL L MORA
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16Structures 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
    • E04B1/167Structures 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
    • E04B1/168Structures 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
    • E04B1/169Structures 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0068Embedding lost cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00Moulds; Cores; Mandrels
    • B28B7/28Cores; Mandrels
    • B28B7/30Cores; Mandrels adjustable, collapsible, or expanding
    • B28B7/32Cores; Mandrels adjustable, collapsible, or expanding inflatable
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/16Structures 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
    • E04B1/167Structures 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
    • E04B1/168Structures 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
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/044Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/04Forms, 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
    • E04G11/045Inflatable forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/06Forms or shutterings for making openings, cavities, slits, or channels for cavities or channels in walls of floors, e.g. for making chimneys
    • E04G15/061Non-reusable forms
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00Forming or shuttering elements for general use
    • E04G9/08Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up
    • E04G9/083Forming boards or similar elements, which are collapsible, foldable, or able to be rolled up which are foldable
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/20Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84Walls made by casting, pouring, or tamping in situ
    • E04B2/86Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8658Walls made by casting, pouring, or tamping in situ made in permanent forms using wire netting, a lattice or the like as form leaves
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/20Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • E04H2015/202Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H15/00Tents or canopies, in general
    • E04H15/20Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure
    • E04H2015/202Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework
    • E04H2015/204Tents or canopies, in general inflatable, e.g. shaped, strengthened or supported by fluid pressure with inflatable panels, without inflatable tubular framework made from contiguous inflatable tubes

Definitions

  • One of the objects of the present invention is to provide an economical constructional panel that may be quickly and easily fabricated. Included herein is the provision of a method of making constructional panels which eliminates the costly mold apparatus heretofore utilized in construction.
  • a further object of the present invention is to provide such a panel that may be fabricated in various shapes and sizes and to possess high strength and durability. Included herein is such a panel that may be advantageously employed in building construction or article manufacture.
  • a still further object of the present invention is to provide such a panel that significantly reduces handling and transportation costs incident to building construction.
  • FIG. 1 is a schematic perspective view of a wall embodying the present invention taken at an intermediate stage of fabrication and with certain portions broken away for clarity;
  • FIG. 2 is a fragmental view of the left hand portion of the wall of FIG. 1 but taken during an advanced stage of fabrication;
  • FIG. 3 is a fragmental view of the right hand section of the wall of FIG. 1 taken upon completion of fabrication;
  • FIG. 4 is an enlarged fragmental cross-sectional view taken generally along lines 4- of FIG. 1;
  • FIG. 5 is a fragmental cross-sectional view taken generally along lines 5 of FIG. 4;
  • FIG. 6 is a fragmental cross-sectional view of a panel representing another embodiment of the present invention.
  • FIG. 7 is a view similar to FIG. 6 but taken during a preliminary stage of fabrication
  • FIG. 8 is a fragmental perspective view of a panel representing a third embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of the panel of FIG. 8.
  • FIG. 1 shows a partially completed panel or wall 10 embodying the present invention including a first section 12 and parallel side sections 14 and 16 extending at right angles to section 12.
  • the wall is comprised of flexible outer facing skins 1S and 20 formed from any suitable material for example plastic, textile, rubber, fiber glass or combinations thereof.
  • a series of inflatable tubular members 22 Located between facing skins 18 and 2d are a series of inflatable tubular members 22 formed from similar material and illustrated as assuming an elliptical crosssection upon inflation.
  • Inflatable members 22 extend longitudinally throughout the full height of the panel and are provided throughout the full length of the panel sections to be positioned in side-by-side, parallel inter-relationship upon inflation.
  • At the corners of the panel are inflatable members 24 which in the shown embodiment assume a cylindrical shape upon inflation.
  • inflatable members 22 are fixed to facing skins 18 and 20 by elongated strips 26 of flexible material the opposite sides of which are suitably attached to a facing skin and one end of an inflatable member 22.
  • Inflatable members 24 at the wall corners are suitably attached along longitudinal peripheral portions directly to the facing skins such as by bonding.
  • end pieces 28 Closing the opposite ends of each inflatable member to render them air-tight are end pieces 28 (only two of which are shown in FIG. 1) either integrally formed or suitably attached to the inflatable members. Any suitable means (not shown) may be employed for introducing air or gas into the inflatable members.
  • inflatable members 22 are formed with a series of indentations or recesses 30 longitudinally spaced along side portions thereof to form with corresponding recesses 30 on adjacent inflatable members, transverse passages 32 communicating the areas 34 at the opposite ends of the inflatable members.
  • apertures may be provided in strips 26 for communicating areas 34 on opposite sides of each strip 26.
  • the enclosure skins which comprise facing skins 18 and 20 and inflatable members 22 and 24, may be folded or collapsed into a compact unit.
  • Fabrication of the panel 10 from the enclosure skin is effected by inflating members 22 with air or other gas to place the panel in the condition shown in FIG. 1 wherein facing skins 18 and 20 are in tension and adjacent inflatable members 22 are in compressive contact with each other.
  • a suitable rigidizing substance 36 for example plastic foam, cement or concrete is poured, forced or injected in a liquid or viscous state into the areas or voids 34 between inflatable members 22 to fill voids 34 as well as transverse passages 32 extending between voids 34 and apertures which may be provided in strips 26.
  • the gas in corner inflatable members 24 is vented and additional rigidizing substance is poured, forced or injected therein as shown in FIG. 3. The rigidizing substance in corner members 24 is then permitted to harden to complete the fabrication.
  • the facing skins become permanently rigidized in the desired shape by the rigidizing substance which continuously engages and adheres to facing skins to form an integrated unit of uniform strength and stability.
  • the internal passages of inflatable members 22 may be vented and employed as housing ducts for electrical installations, water pipes, etc.
  • FIGS. 6 and 7 there is illustrated another panel embodying the present invention wherein the facing skins 40 and 42 are each formed from a plurality of rectangular sections 44, hinged together at 46 in sideby-side relationship to be movable between a collapsed position shown in FIG. 7 and an extended position shown in FIG. 6.
  • Facing skin sections 44 may be formed of rigid material for example wood or metal inasmuch as the hinged connections at 46 permit the desired movement of the skins upon inflation of internal members 48.
  • the inflatable members 43 are directly attached at 49 by any suitable means for example bonding to the facing skin sections 44 thereby eliminating strips 26 of the FIG. 1 embodiment.
  • Inflatable member 48 are also formed to provide transverse passages ⁇ not shown) similar to passages 32 of the above-described embodiment.
  • FIG. 6 also illustrates a double chambered inflatable member 50 shown as forming the end of the panel.
  • Inflatable member 50 includes an inner skin 52 and an outer skin 54 separated by radial partition strips 56 interconnecting skins 52 and 54. Skins 52 and 54 are constructed such that upon inflation they form concentric cylinders maintained in proper spaced relationship by strips 56.
  • Fabrication of the panel in FIG. 6 is essentially the same as that described above except that after the rigidizing substance in areas 53 hardens only the areas 58 between skins 52 and 54 are filled with the rigidizing substance, and the cavity 59 is vented and left vacant such as may be desired in lightweight construction.
  • Panel 60 includes facing skins 62 and 64 which may be formed of single or multiple layers of suitable flexible material. Interconnecting facing skins 62 and 64 are transverse separator members 66 which may be formed for example by flexible or rigid rods having their opposite ends embedded in skins 62 and 64 by means of discs 68 and 69.
  • the internal inflatable portion of the panel is formed by flexible, airtight skins or sheets 82. and 84 of suitable material attached to each other in generally quilt-like fashion.
  • inflatable sheets 82 and 84 are provided with overlying apertures 80 which receive separator members 66. Additionally, inflatable sheets 82 and 84 are suitably attached to each other along the periphery of each. aperture 80 and also along the marginal portions (not shown) thereof so as to form an air-tight enclosure upon inflation.
  • Inflatable sheets 82 and 84 are also connected to facing skins 62 and 64 by strips 86 as shown in FIG. 9.
  • tubular members 100 are first inflated and ultimately filled with a rigidizing agent after the voids between facing skins 62, 64 and sheets 82, 84 are filled with a rigidizing agent shown as 92 and 94.
  • air or gas is introduced by any suitable means into the areas enclosed by sheets 82 and 84 to inflate the same after end tubular members 100 are inflated.
  • a method of making a panel from a flexible en closure skin having outer facing skins and inflatable tubular members located in side-by-side relationship between and connected to said facing skins; the steps comprising inflating said tubular members until said facing skins are tensioned in a predetermined shape and adjacent tubular members are in compressive contact with each other, introducing a settable substance into voids located between the inflated tubular members with the substance engaging the internal surface of the facing skins and allowing said substance to harden to form a permanently rigid panel of said predetermined shape.
  • An enclosure skin for making a constructional panel or the like comprising a pair of transversely spaced flexible facing skins, a plurality of inflatable tubular members located between said facing skins and fixed thereto to impart a predetermined shape to said facing skins upon inflation, said tubular members being arranged in generally parallel and side by side relationship substantially throughout the extent of said facing skins, means connecting the opposite sides of each of said tubular members to said facing skins respectively, said tubular members being constructed and arranged such that upon inflation suflicient to tension said facing skins, longitudinal side portions of adjacent tubular members will be compressive contact with each other wherein opposite sides of each tubular member are provided with a number of recesses forming transverse passages with corresponding recesses formed in adjacent tubular members upon inflation of the tubular members.
  • the enclosure skin defined in claim 5 further including transverse separator members interconnecting said facing skins at various intervals.
  • said inflatable members are formed by a plurality of elongated tubes arranged in side by side relationship and wherein said tubes are inflated to place adjacent tubes in compressive contact with each other.
  • An enclosure skin for making a panel comprising a pair of transversely spaced outer facing skins each including a plurality of sections formed from rigid material and hinged together in side by side relationship for movement between a folded position and an extended poo,- sition, a plurality of inflated tubular members arranged in side by side relationship between said facing skins, said tubular members being attached along opposite ends thereof to said facing skins between points at which said sections are hinged together.
  • An enclosure skin for making a panel comprising a pair of transversely spaced outer facing skins each including a plurality of sections hinged together in side by side relationship for movement between a folded position and an extended position a plurality of inflated tubular members arranged in side by side parallel relationship between said facing skins, said tubular members being attached along opposite ends thereof to said facing skins between points at which said sections are hinged together, and tubular members at opposite ends of the panel each comprising inner and outer skins and radial spacing strip-s interconnecting said inner and outer skins for spacing same upon inflation of said end tubular members.
  • An enclosure skin for making a constructional panel comprising a pair of outer facing skins positioned in opposite transversely spaced relationship, inflatable means between said facing skins including a pair of flexible air tight sheet members extending in overlying relationship substantially throughout the extent of said outer facing skins, means fixing said sheet members at predetermined intervals to said outer facing skin, said last recited means including flexible strips having opposite end portions attached to said sheet members and facing skins, said sheet members being attached to each other at a number of spaced points to assume a predetermined shape upon inflation.
  • a rigid constructional panel comprising in combination, an outer enclosure skin of opposite spaced portions formed of flexible material, a plurality of inflated tubular members located between the opposite portions of the facing skin and connected thereto, said tubular members having recesses formed at a number of spaced locations in their sides forming passages extending between the opposite portions of said skin, and a concretelike substance located throughout the voids between the tubular members and the facing skin in continuous engagement with the facing skin and tubular members to permanently impart rigidity and strength to the panel, portions of said concrete-like substance extending through said passages such that the concrete-like substance on opposite sides of said tubular members are integrally connected.

Description

June 1 8 R. L. MORA INFLATABLE CONSTRUCTION PANELS AND METHOD OF MAKING SAME 3 Sheets-Sheet 1 Filed March 9, 1965 FIG] ATTORNEYS June 18, 1968 R. MQRA 3,388,509
INFLATABLE CONSTRUCTION PANELS AND METHOD OF MAKING SAME Filed March 9, 1965 3 Sheets-Sheet 2 INVENTOR RAUL L. NORA ATTORNEYS R. L. MORA June 18, 1968 INFLATABLE CONSTRUCTION PANELS AND METHOD OF MAKING SAME 3 Sheets-Sheet 5 Filed March 9, 1965 INVENTOR RAUL L. MORA A'T'TORNEYb United States Patent 3,388,509 KNFLATABLE CONSTRUCTHQN PANELS AND ME'HEUD OF MAKING SAME Raul L. Mora, 3230 SW. 23rd Court, Fort Lauderdale, Fla. 33312 Filed Mar. 9, 1965, Ser. No. 438,337 16 Claims. (Cl. 52-2) This invention broadly relates to constructional elements and more specifically to a unique constructional panel and method for making same.
One of the objects of the present invention is to provide an economical constructional panel that may be quickly and easily fabricated. Included herein is the provision of a method of making constructional panels which eliminates the costly mold apparatus heretofore utilized in construction.
A further object of the present invention is to provide such a panel that may be fabricated in various shapes and sizes and to possess high strength and durability. Included herein is such a panel that may be advantageously employed in building construction or article manufacture.
A still further object of the present invention is to provide such a panel that significantly reduces handling and transportation costs incident to building construction.
Other objects and advantages will become apparent from the following description in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic perspective view of a wall embodying the present invention taken at an intermediate stage of fabrication and with certain portions broken away for clarity;
FIG. 2 is a fragmental view of the left hand portion of the wall of FIG. 1 but taken during an advanced stage of fabrication;
FIG. 3 is a fragmental view of the right hand section of the wall of FIG. 1 taken upon completion of fabrication;
FIG. 4 is an enlarged fragmental cross-sectional view taken generally along lines 4- of FIG. 1;
FIG. 5 is a fragmental cross-sectional view taken generally along lines 5 of FIG. 4;
FIG. 6 is a fragmental cross-sectional view of a panel representing another embodiment of the present invention;
FIG. 7 is a view similar to FIG. 6 but taken during a preliminary stage of fabrication;
FIG. 8 is a fragmental perspective view of a panel representing a third embodiment of the present invention; and
FIG. 9 is a cross-sectional view of the panel of FIG. 8.
Referring to the drawings in detail, FIG. 1 shows a partially completed panel or wall 10 embodying the present invention including a first section 12 and parallel side sections 14 and 16 extending at right angles to section 12. In the embodiment of FIG. 1 the wall is comprised of flexible outer facing skins 1S and 20 formed from any suitable material for example plastic, textile, rubber, fiber glass or combinations thereof.
Located between facing skins 18 and 2d are a series of inflatable tubular members 22 formed from similar material and illustrated as assuming an elliptical crosssection upon inflation. Inflatable members 22 extend longitudinally throughout the full height of the panel and are provided throughout the full length of the panel sections to be positioned in side-by-side, parallel inter-relationship upon inflation. At the corners of the panel are inflatable members 24 which in the shown embodiment assume a cylindrical shape upon inflation.
In order to secure inflatable members in position and to permit them to impart shape to the facing skins 1S and 2b upon inflation, the inflatable members are fixed to asaassa ice the facing sk-ins. In the embodiment of FIG. 1 inflatable members 22 are fixed to facing skins 18 and 20 by elongated strips 26 of flexible material the opposite sides of which are suitably attached to a facing skin and one end of an inflatable member 22. Inflatable members 24 at the wall corners are suitably attached along longitudinal peripheral portions directly to the facing skins such as by bonding.
Closing the opposite ends of each inflatable member to render them air-tight are end pieces 28 (only two of which are shown in FIG. 1) either integrally formed or suitably attached to the inflatable members. Any suitable means (not shown) may be employed for introducing air or gas into the inflatable members.
For purposes to be subsequently described, inflatable members 22 are formed with a series of indentations or recesses 30 longitudinally spaced along side portions thereof to form with corresponding recesses 30 on adjacent inflatable members, transverse passages 32 communicating the areas 34 at the opposite ends of the inflatable members. Similarly, apertures may be provided in strips 26 for communicating areas 34 on opposite sides of each strip 26.
In shipment and handling prior to fabrication the enclosure skins which comprise facing skins 18 and 20 and inflatable members 22 and 24, may be folded or collapsed into a compact unit.
Fabrication of the panel 10 from the enclosure skin is effected by inflating members 22 with air or other gas to place the panel in the condition shown in FIG. 1 wherein facing skins 18 and 20 are in tension and adjacent inflatable members 22 are in compressive contact with each other.
A suitable rigidizing substance 36 for example plastic foam, cement or concrete is poured, forced or injected in a liquid or viscous state into the areas or voids 34 between inflatable members 22 to fill voids 34 as well as transverse passages 32 extending between voids 34 and apertures which may be provided in strips 26.
After the rigidizing substance hardens in voids 34, the gas in corner inflatable members 24 is vented and additional rigidizing substance is poured, forced or injected therein as shown in FIG. 3. The rigidizing substance in corner members 24 is then permitted to harden to complete the fabrication.
It will thus be seen that the facing skins become permanently rigidized in the desired shape by the rigidizing substance which continuously engages and adheres to facing skins to form an integrated unit of uniform strength and stability. Additionally, the internal passages of inflatable members 22 may be vented and employed as housing ducts for electrical installations, water pipes, etc.
Referring to FIGS. 6 and 7, there is illustrated another panel embodying the present invention wherein the facing skins 40 and 42 are each formed from a plurality of rectangular sections 44, hinged together at 46 in sideby-side relationship to be movable between a collapsed position shown in FIG. 7 and an extended position shown in FIG. 6. Facing skin sections 44 may be formed of rigid material for example wood or metal inasmuch as the hinged connections at 46 permit the desired movement of the skins upon inflation of internal members 48. In the embodiment of FIG. 6, the inflatable members 43 are directly attached at 49 by any suitable means for example bonding to the facing skin sections 44 thereby eliminating strips 26 of the FIG. 1 embodiment. Inflatable member 48 are also formed to provide transverse passages {not shown) similar to passages 32 of the above-described embodiment.
The embodiment of FIG. 6 also illustrates a double chambered inflatable member 50 shown as forming the end of the panel. Inflatable member 50 includes an inner skin 52 and an outer skin 54 separated by radial partition strips 56 interconnecting skins 52 and 54. Skins 52 and 54 are constructed such that upon inflation they form concentric cylinders maintained in proper spaced relationship by strips 56.
Fabrication of the panel in FIG. 6 is essentially the same as that described above except that after the rigidizing substance in areas 53 hardens only the areas 58 between skins 52 and 54 are filled with the rigidizing substance, and the cavity 59 is vented and left vacant such as may be desired in lightweight construction.
Another embodiment of the invention is illustrated by panel 60 shown in FIGS. 8 and 9. Panel 60 includes facing skins 62 and 64 which may be formed of single or multiple layers of suitable flexible material. Interconnecting facing skins 62 and 64 are transverse separator members 66 which may be formed for example by flexible or rigid rods having their opposite ends embedded in skins 62 and 64 by means of discs 68 and 69.
In the embodiment of FIGS. 8 and 9, the internal inflatable portion of the panel is formed by flexible, airtight skins or sheets 82. and 84 of suitable material attached to each other in generally quilt-like fashion. In the preferred form, inflatable sheets 82 and 84 are provided with overlying apertures 80 which receive separator members 66. Additionally, inflatable sheets 82 and 84 are suitably attached to each other along the periphery of each. aperture 80 and also along the marginal portions (not shown) thereof so as to form an air-tight enclosure upon inflation. Inflatable sheets 82 and 84 are also connected to facing skins 62 and 64 by strips 86 as shown in FIG. 9.
The presently described panel 60 further illustrates the use of tubular members 100 (only one shown in FIG. 9) at the ends of the panel. In the preferred method of fabrication, tubular members 100, are first inflated and ultimately filled with a rigidizing agent after the voids between facing skins 62, 64 and sheets 82, 84 are filled with a rigidizing agent shown as 92 and 94. As in the above-described embodiments, air or gas is introduced by any suitable means into the areas enclosed by sheets 82 and 84 to inflate the same after end tubular members 100 are inflated.
As will be apparent to persons skilled in the art, various modifications and adaptations of the structure above described will become readily apparent without departure from the spirit and scope of the invention covered by the appended claims.
I claim:
1. A method of making a panel from a flexible en closure skin having outer facing skins and inflatable tubular members located in side-by-side relationship between and connected to said facing skins; the steps comprising inflating said tubular members until said facing skins are tensioned in a predetermined shape and adjacent tubular members are in compressive contact with each other, introducing a settable substance into voids located between the inflated tubular members with the substance engaging the internal surface of the facing skins and allowing said substance to harden to form a permanently rigid panel of said predetermined shape.
2. A method of making a panel from an enclosure skin having outer facing skins and a plurality of inflatable tubular members fixed in side-by-side relationship between said facing skins; the steps comprising inflating said tubular members until said facing skins assume a predetermined shape, introducing rigidizing substance into voids between the facing skins and between said inflatable members, allowing the substance to harden into a rigid body, deflating the tubular members at the opposite ends of the panel, introducing a rigidizing substance into the deflated tubular members and allowing the substance in the end tubular members to harden.
3. An enclosure skin for making a constructional panel or the like comprising a pair of transversely spaced flexible facing skins, a plurality of inflatable tubular members located between said facing skins and fixed thereto to impart a predetermined shape to said facing skins upon inflation, said tubular members being arranged in generally parallel and side by side relationship substantially throughout the extent of said facing skins, means connecting the opposite sides of each of said tubular members to said facing skins respectively, said tubular members being constructed and arranged such that upon inflation suflicient to tension said facing skins, longitudinal side portions of adjacent tubular members will be compressive contact with each other wherein opposite sides of each tubular member are provided with a number of recesses forming transverse passages with corresponding recesses formed in adjacent tubular members upon inflation of the tubular members.
4. The enclosure skin defined in claim 3 wherein said means includes elongated strips each fixed at one side to a facing skin and at the other side to one of the sides of a tubular member.
5. A method of making a permanently rigid panel from a flexible enclosure skin having outer facing skins transversely spaced in opposite positions and an internal inflatable body provided by overlying flexible members located between said facing skins and substantially co-extensive therewith; the steps comprising inflating the internal body until the facing skins are tensioned in a pre determined configuration, portions of the internal body spaced from the facing sheets forming voids, introducing a settable substance into voids located between the inflared internal body and the facing skins with the substance engaging the internal surface of said facing skins and the external surfaces of said flexible members substantially throughout and allowing said substance to harden to form a permanently rigid panel of said predetermined shape.
6. The enclosure skin defined in claim 5 further including transverse separator members interconnecting said facing skins at various intervals.
7. The enclosure skin defined in claim 6 wherein said separator members are flexible rods.
8. The enclosure skin defined in claim 6 wherein said flexible members are provided with overlying apertures at various intervals and are interconnected at the periphery of said apertures, and said separator members extend through said apertures.
9. The enclosure skin defined in claim 8 wherein said flexible members are interconnected at intervals to assume a generally quilt-like shape upon inflation.
10. A method of making a rigid panel or the like from an enclosure comprised of outer facing skins formed of flexible material and a number of flexible inflatable members located between the facing skins connected to said facing skins; the steps comprising inflating said inflatable members until the facing skins assume a predetermined shape defining the exterior of the panel, introducing a flowable substance which will set into a rigid body into voids located between the inflated members and the facing skins and in continuous engagement with the inner surfaces of the facing skins and the outer surfaces of said tubular members to entirely fill said voids, and allowing said substance to harden to form a permanently rigid panel of said predetermined shape and with said facing skins forming a permanent part thereof.
11. The method defined in claim 10' wherein said inflatable members are inflated sufficiently to place the facing skins under tension.
12. The method defined in claim 11 wherein said inflatable members are formed by a plurality of elongated tubes arranged in side by side relationship and wherein said tubes are inflated to place adjacent tubes in compressive contact with each other.
13. An enclosure skin for making a panel comprising a pair of transversely spaced outer facing skins each including a plurality of sections formed from rigid material and hinged together in side by side relationship for movement between a folded position and an extended poo,- sition, a plurality of inflated tubular members arranged in side by side relationship between said facing skins, said tubular members being attached along opposite ends thereof to said facing skins between points at which said sections are hinged together.
14. An enclosure skin for making a panel comprising a pair of transversely spaced outer facing skins each including a plurality of sections hinged together in side by side relationship for movement between a folded position and an extended position a plurality of inflated tubular members arranged in side by side parallel relationship between said facing skins, said tubular members being attached along opposite ends thereof to said facing skins between points at which said sections are hinged together, and tubular members at opposite ends of the panel each comprising inner and outer skins and radial spacing strip-s interconnecting said inner and outer skins for spacing same upon inflation of said end tubular members.
15. An enclosure skin for making a constructional panel comprising a pair of outer facing skins positioned in opposite transversely spaced relationship, inflatable means between said facing skins including a pair of flexible air tight sheet members extending in overlying relationship substantially throughout the extent of said outer facing skins, means fixing said sheet members at predetermined intervals to said outer facing skin, said last recited means including flexible strips having opposite end portions attached to said sheet members and facing skins, said sheet members being attached to each other at a number of spaced points to assume a predetermined shape upon inflation.
16. A rigid constructional panel comprising in combination, an outer enclosure skin of opposite spaced portions formed of flexible material, a plurality of inflated tubular members located between the opposite portions of the facing skin and connected thereto, said tubular members having recesses formed at a number of spaced locations in their sides forming passages extending between the opposite portions of said skin, and a concretelike substance located throughout the voids between the tubular members and the facing skin in continuous engagement with the facing skin and tubular members to permanently impart rigidity and strength to the panel, portions of said concrete-like substance extending through said passages such that the concrete-like substance on opposite sides of said tubular members are integrally connected.
References Cited UNITED STATES PATENTS 2,000,873 5/1935 Arens 5348 2,579,423 12/ 1951 Ford. 2,627,077 2/ 1953 Forsyth 52348 2,655,369 10/1953 Musilli 52348 X 2,657,716 11/1953 Ford 5 --348 X 2,854,014 9/ 1958 Hasselquist 522 3,229,437 1/1966 Adie 52-576 FOREIGN PATENTS 955,651 6/ 1949 France.
1,213,566 11/1959 France.
JOHN E. MURTAGH, Primary Examiner.

Claims (1)

  1. 3. AN ENCLOSURE SKIN FOR MAKING A CONSTRUCTIONAL PANEL OR THE LIKE COMPRISING A PAIR OF TRANSVERSELY SPACED FLEXIBLE FACING SKINS, A PLURALITY OF INFLATABLE TUBULAR MEMBERS LOCATED BETWEEN SAID FACING SKINS AND FIXED THERETO TO IMPART A PREDETERMINED SHAPE TO SAID FACING SKINS UPON INFLATION, SAID TUBULAR MEMBERS BEING ARRANGED IN GENERALLY PARALLEL AND SIDE BY SIDE RELATIONSHIP SUBSTANTIALLY THROUGHOUT THE EXTENT OF SAID FACING SKINS, MEANS CONNECTING THE OPPOSITE SIDES OF EACH OF SAID TUBULAR MEMBERS TO SAID FACING SKINS RESPECTIVELY, SAID TUBULAR MEMBERS BEING CONSTRUCTED AND ARRANGED SUCH THAT UPON INFLATION SUFFICIENT TO TENSION SAID FACING SKINS, LONGITUDINAL SIDE PORTIONS OF ADJACENT TUBULAR MEMBERS WILL BE COMPRESSIVE CONTACT WITH EACH OTHER WHEREIN OPPOSITE SIDES OF EACH TUBULAR MEMBER ARE PROVIDED WITH A NUMBER OF RECESSES FORMING TRANSVERSE PASSAGES WITH CORRESPONDING RECESSES FORMED IN ADJACENT TUBULAR MEMBERS UPON INFLATION OF THE TUBULAR MEMBERS.
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Cited By (39)

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Publication number Priority date Publication date Assignee Title
US3779847A (en) * 1971-12-20 1973-12-18 A Turner Process of assembling fabric and plastic to form a building structure which may be inflated and chemically rigidized
US3909992A (en) * 1974-03-18 1975-10-07 Us Navy Inflatable ice igloo
US3973363A (en) * 1969-11-03 1976-08-10 Pneumatiques, Caoutchouc Manufacture Et Plastiques Kleber-Colombes Inflatable structures
US4018018A (en) * 1973-12-17 1977-04-19 Momotoshi Kosuge Architectural block and the structure composed thereof
US4065888A (en) * 1976-03-19 1978-01-03 Reinhard Hans Napierski Fluid inflatable spatially expandable hollow body construction
US4132577A (en) * 1975-07-01 1979-01-02 Erich Wintermantel Process for producing hollow profiled structures, and structures produced thereby
US4226067A (en) * 1977-12-05 1980-10-07 Covington Brothers Building Systems, Inc. Structural panel
US4297820A (en) * 1977-12-05 1981-11-03 Covington Brothers Technologies Composite structural panel with multilayered reflective core
US4336676A (en) * 1977-12-05 1982-06-29 Covington Brothers, Inc. Composite structural panel with offset core
EP0106976A1 (en) * 1982-09-25 1984-05-02 Metzeler Kautschuk Gmbh Flexible hollow articles which are adapted to be fluid-filled
US4567705A (en) * 1982-11-22 1986-02-04 Avco Corporation Fire protection arrangement and method of positioning same
US5240504A (en) * 1991-07-03 1993-08-31 Russell Mazakas Spray booth liner
US5259879A (en) * 1991-06-27 1993-11-09 Ransburg Corporation Powder application booth liner and method of making it
US5271980A (en) * 1991-07-19 1993-12-21 Bell Dennis J Flexible evacuated insulating panel
US5758463A (en) * 1993-03-12 1998-06-02 P & M Manufacturing Co., Ltd. Composite modular building panel
FR2775924A1 (en) * 1998-03-10 1999-09-17 Inteiss Mold made by means of inflatable structure
US6017597A (en) * 1995-01-27 2000-01-25 Minakami; Hiroyuki Complex cell structure and method for producing the same
WO2000047381A1 (en) * 1999-02-11 2000-08-17 Stephen Bide Formers and methods of casting bodies, particularly concrete bodies, using the formers
US6216403B1 (en) * 1998-02-09 2001-04-17 Vsl International Ag Method, member, and tendon for constructing an anchoring device
DE10249833A1 (en) * 2002-10-21 2004-05-06 Universität Kassel Gridshell support structure has support element with membrane with two layers interconnected by closed inner seams separated pattern-wise and outer seam encompassing these
US6837532B1 (en) * 2001-09-14 2005-01-04 W. Glen Hicks Dual side tarp
US20070094937A1 (en) * 2003-11-04 2007-05-03 Mauro Pedretti Pneumatic two-dimensional structure
US20070113486A1 (en) * 2005-11-22 2007-05-24 Warwick Mills, Inc. Inflatable barrier
US20070234651A1 (en) * 2006-03-23 2007-10-11 Richard Gage Modular building unit for a protective shelter
US20080295445A1 (en) * 2005-01-20 2008-12-04 Cintec International Limited Blast Protection Structures
US20100163683A1 (en) * 2007-02-21 2010-07-01 Brendan Mark Quine Space Elevator
US20100272915A1 (en) * 2009-04-28 2010-10-28 Seth Anthony Laws Portable spray booth with air handling system
US20110072734A1 (en) * 2006-07-12 2011-03-31 Newby Roland L Compact interior safe room
WO2012171524A1 (en) * 2011-06-15 2012-12-20 Dieter Knauer Lamellar arrangement
US20130068851A1 (en) * 2011-09-16 2013-03-21 Sunless Solutions Limited Inflatable Structure
US8752336B1 (en) * 2013-03-03 2014-06-17 Ilyas Cem Ozsuer Inflatable blast proof structure
US20160053921A1 (en) * 2013-04-05 2016-02-25 Lake Products Limited An inflatable cavity fill or cavity forming member
EP3239438A1 (en) * 2016-04-28 2017-11-01 Bestway Inflatables & Material Corp. Inflatable device for spa pool
WO2018113654A1 (en) * 2016-12-21 2018-06-28 清华大学 Flexible casting mold and construction method
US10036178B2 (en) * 2013-05-19 2018-07-31 Moshe Ore Expanding structures, and device and method for expanding the same
CN110588910A (en) * 2019-10-18 2019-12-20 清华大学 Flexible water floating body
WO2020198103A1 (en) * 2019-03-28 2020-10-01 Bechtel Global Corporation Inflatable scaffolding
US11021885B2 (en) * 2017-01-04 2021-06-01 Thomas Williams System and method for finding dents on an automobile using a booth
US11718987B2 (en) * 2015-04-29 2023-08-08 Burak Dincel Building element

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Cited By (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973363A (en) * 1969-11-03 1976-08-10 Pneumatiques, Caoutchouc Manufacture Et Plastiques Kleber-Colombes Inflatable structures
US3779847A (en) * 1971-12-20 1973-12-18 A Turner Process of assembling fabric and plastic to form a building structure which may be inflated and chemically rigidized
US4018018A (en) * 1973-12-17 1977-04-19 Momotoshi Kosuge Architectural block and the structure composed thereof
US3909992A (en) * 1974-03-18 1975-10-07 Us Navy Inflatable ice igloo
US4132577A (en) * 1975-07-01 1979-01-02 Erich Wintermantel Process for producing hollow profiled structures, and structures produced thereby
US4065888A (en) * 1976-03-19 1978-01-03 Reinhard Hans Napierski Fluid inflatable spatially expandable hollow body construction
US4226067A (en) * 1977-12-05 1980-10-07 Covington Brothers Building Systems, Inc. Structural panel
US4297820A (en) * 1977-12-05 1981-11-03 Covington Brothers Technologies Composite structural panel with multilayered reflective core
US4336676A (en) * 1977-12-05 1982-06-29 Covington Brothers, Inc. Composite structural panel with offset core
EP0106976A1 (en) * 1982-09-25 1984-05-02 Metzeler Kautschuk Gmbh Flexible hollow articles which are adapted to be fluid-filled
US4567705A (en) * 1982-11-22 1986-02-04 Avco Corporation Fire protection arrangement and method of positioning same
US5259879A (en) * 1991-06-27 1993-11-09 Ransburg Corporation Powder application booth liner and method of making it
US5240504A (en) * 1991-07-03 1993-08-31 Russell Mazakas Spray booth liner
US5271980A (en) * 1991-07-19 1993-12-21 Bell Dennis J Flexible evacuated insulating panel
US5758463A (en) * 1993-03-12 1998-06-02 P & M Manufacturing Co., Ltd. Composite modular building panel
US6017597A (en) * 1995-01-27 2000-01-25 Minakami; Hiroyuki Complex cell structure and method for producing the same
US6216403B1 (en) * 1998-02-09 2001-04-17 Vsl International Ag Method, member, and tendon for constructing an anchoring device
FR2775924A1 (en) * 1998-03-10 1999-09-17 Inteiss Mold made by means of inflatable structure
WO2000047381A1 (en) * 1999-02-11 2000-08-17 Stephen Bide Formers and methods of casting bodies, particularly concrete bodies, using the formers
US6837532B1 (en) * 2001-09-14 2005-01-04 W. Glen Hicks Dual side tarp
DE10249833A1 (en) * 2002-10-21 2004-05-06 Universität Kassel Gridshell support structure has support element with membrane with two layers interconnected by closed inner seams separated pattern-wise and outer seam encompassing these
DE10249833B4 (en) * 2002-10-21 2005-05-12 Universität Kassel Grid shells - structure as well as method and membrane for its production
US20070094937A1 (en) * 2003-11-04 2007-05-03 Mauro Pedretti Pneumatic two-dimensional structure
US7900401B2 (en) * 2003-11-04 2011-03-08 Airlight Limited (Ag) Pneumatic two-dimensional structure
US20080295445A1 (en) * 2005-01-20 2008-12-04 Cintec International Limited Blast Protection Structures
GB2438334B (en) * 2005-01-20 2010-09-29 Cintec Int Ltd Improvements in and relating to blast protection structures
US20070113486A1 (en) * 2005-11-22 2007-05-24 Warwick Mills, Inc. Inflatable barrier
US7963075B2 (en) * 2005-11-22 2011-06-21 Warwick Mills, Inc. Inflatable barrier
US20070234651A1 (en) * 2006-03-23 2007-10-11 Richard Gage Modular building unit for a protective shelter
US20110072734A1 (en) * 2006-07-12 2011-03-31 Newby Roland L Compact interior safe room
US20100163683A1 (en) * 2007-02-21 2010-07-01 Brendan Mark Quine Space Elevator
US9085897B2 (en) * 2007-02-21 2015-07-21 Thoth Technology Inc. Space elevator
US20100272915A1 (en) * 2009-04-28 2010-10-28 Seth Anthony Laws Portable spray booth with air handling system
DE102011104502A1 (en) * 2011-06-15 2012-12-20 Dieter Knauer fins Association
WO2012171524A1 (en) * 2011-06-15 2012-12-20 Dieter Knauer Lamellar arrangement
US20130068851A1 (en) * 2011-09-16 2013-03-21 Sunless Solutions Limited Inflatable Structure
US8752336B1 (en) * 2013-03-03 2014-06-17 Ilyas Cem Ozsuer Inflatable blast proof structure
US20160053921A1 (en) * 2013-04-05 2016-02-25 Lake Products Limited An inflatable cavity fill or cavity forming member
US10197194B2 (en) * 2013-04-05 2019-02-05 Lake Products Limited Inflatable cavity fill or cavity forming member
US10036178B2 (en) * 2013-05-19 2018-07-31 Moshe Ore Expanding structures, and device and method for expanding the same
US11718987B2 (en) * 2015-04-29 2023-08-08 Burak Dincel Building element
EP3239438A1 (en) * 2016-04-28 2017-11-01 Bestway Inflatables & Material Corp. Inflatable device for spa pool
WO2018113654A1 (en) * 2016-12-21 2018-06-28 清华大学 Flexible casting mold and construction method
US11021885B2 (en) * 2017-01-04 2021-06-01 Thomas Williams System and method for finding dents on an automobile using a booth
WO2020198103A1 (en) * 2019-03-28 2020-10-01 Bechtel Global Corporation Inflatable scaffolding
CN110588910A (en) * 2019-10-18 2019-12-20 清华大学 Flexible water floating body

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