WO1997035706A1 - An extendible member - Google Patents
An extendible member Download PDFInfo
- Publication number
- WO1997035706A1 WO1997035706A1 PCT/GB1997/000839 GB9700839W WO9735706A1 WO 1997035706 A1 WO1997035706 A1 WO 1997035706A1 GB 9700839 W GB9700839 W GB 9700839W WO 9735706 A1 WO9735706 A1 WO 9735706A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axis
- fibres
- state
- extendible
- angle
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/08—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration the load-carrying surface being formed by a concave or tubular belt, e.g. a belt forming a trough
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
- B29C61/06—Making preforms having internal stresses, e.g. plastic memory
- B29C61/0608—Making preforms having internal stresses, e.g. plastic memory characterised by the configuration or structure of the preforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/32—Coiling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/906—Roll or coil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/131—Glass, ceramic, or sintered, fused, fired, or calcined metal oxide or metal carbide containing [e.g., porcelain, brick, cement, etc.]
- Y10T428/1314—Contains fabric, fiber particle, or filament made of glass, ceramic, or sintered, fused, fired, or calcined metal oxide, or metal carbide or other inorganic compound [e.g., fiber glass, mineral fiber, sand, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24074—Strand or strand-portions
- Y10T428/24091—Strand or strand-portions with additional layer[s]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24124—Fibers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24636—Embodying mechanically interengaged strand[s], strand-portion[s] or strand-like strip[s] [e.g., weave, knit, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24744—Longitudinal or transverse tubular cavity or cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2008—Fabric composed of a fiber or strand which is of specific structural definition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
- Y10T442/3301—Coated, impregnated, or autogenous bonded
Definitions
- the present invention relates to an extendible member and a method of making an extendible member.
- an extendible sheet member which is configurable between first and second states, the first state being a coiled state in which the member is coiled substantially parallel to a first axis, the second state being an extended state in which the member extends substantially parallel to a second axis at some angle to the first axis, the member being made, wholly or in part, from any material or materials which are stronger in tension and/or in compression at some angle to the first and/or second axes than in the direction of these axes, due to the geometric and/or molecular structure of this material or materials, such that, when the member is extended in a direction substantially parallel to the second axis, this disparity in tensile and/or compressive strengths gives rise to a contraction in a direction at some angle to to the second axis to bias the member to the second state.
- This disparity may be derived, wholly or in part, from the presence of fibres in the structure of the member, where such fibres form part of the member
- an extendible sheet member which is configurable between first and second states, the first state being a coiled state in which the member is coiled substantially parallel to a first axis, the second state being an extended state in which the member extends substantially parallel to a second axis at some angle to the first axis, the member having a plurality of crossed fibres in or parallel to the plane of the sheet, each fibre being at an angle between 0 degrees and 90 degrees to the first axis, such that, when the member is extended in a direction substantially parallel to the second axis, said crossed fibres give rise to a contraction in a direction at some angle to to the second axis to bias the member to the second state.
- Said members are preferably reversibly configurable between said first and second states.
- Said fibres are preferably resilient.
- Said crossed fibres may be provided on one side of a substrate.
- said crossed fibres may be provided on both of opposite sides of a substrate.
- Said fibres may be embedded in a substrate.
- said substrate be resilient. At least some of said fibres are knitted, woven, and/or provided as a series of laminae.
- Groups of said fibres may be at different respective angles to the first axis.
- Said fibres can be at a varying angle to the first axis, said angle varying across and along the member.
- the member may have fibres across selected portions only of the member, other portions of said member being free of fibres.
- means for releasably locking opposite edges of the member together when said member is in the second state may be for example, a clip, interlocking teeth, a zip, etc.
- the opposite edges may alternatively be permanently fixed together, for example by welding or by adhesives.
- a method of manufacturing an extendible sheet member which is configurable between first and second states, the first state being a coiled state in which the member is coiled substantially parallel to a first axis, the second state being an extended state in which the member extends substantially parallel to a second axis at some angle to the first axis, the member having a plurality of crossed fibres in or parallel to the plane of the sheet, each fibre being at an angle between 0 degrees and 90 degrees to the first axis, such that, when the member is extended in a direction substantially parallel to the second axis, said crossed fibres give rise to a contraction in a direction at some angle to to the second axis to bias the member to the second state, said method comprising the steps of: passing a first layer which provides a substrate and a second layer comprising said fibres over heating means to heat said first layer thereby to bond said first and second layers together; and, subsequently applying pressure to said bonded first and second layers to produce said member in
- a method of manufacturing an extendible sneet member which is configurable between first and second states, the first state being a coiled state in which the member is coiled substantially parallel to a first axis, the second state being an extended state in which the member extends substantially parallel to a second axis at some angle to the first axis, the member having a plurality of crossed fibres in or parallel to the plane of the sheet, each fibre being at an angle between 0 degrees and 90 degrees to the first axis, such that, when the member is extended in a direction substantially parallel to the second axis, said crossed fibres give rise to a contraction in a direction at some angle to to the second axis to bias the member to the second state, said method comprising the steps of: applying pressure to a layer which provides a substrate and which has said fibres embedded therein to produce said member in its coiled state.
- Fig.1 is a perspective view of an example of a member of the present invention.
- Fig. 2 is a diagram for explaining the principles of the present invention.
- Fig. 3 to 6 show further examples of the present invention.
- Fig. 7 is a diagrammatic side view of apparatus for manufacturing the member of the present invention.
- the present invention takes the form of a ribbon of resilient material, curved to extend beyond its point of origin, forming a spiral or coil, which, when uncoiled, curves in a second direction as a result of intemal stresses within the material of which the ribbon is made, said stresses being produced, wholly or in part, by the act of extension.
- Said second curved form may be an arc section, tubular section or any compound curved section.
- Said second curved form can be either temporary, that is dependent upon the ribbon being restrained in an uncoiled form by external means, or a second stable shape or form of said ribbon, which will not return to its original coiled or spiral form without the application of an extemal force.
- Fig. 1 shows one example of such a device in which a coil extends to form a tube.
- the coil 1.1 has its outer free end flattened and pulled away from the body of the coil whereupon it forms spontaneously into a tube 1.2.
- the invention depends upon fibres forming part of the material from which it is formed acting to force the ribbon into the second curved form as described below.
- a piece of woven or knitted fabric 2 as shown in Fig 2.1 , is stretched along a direction at some angle to the direction of its weave it will contract in the direction normal to said stretch as shown in Fig. 2.2.
- one embodiment of the invention could be made by coating a coiled piece of resilient sustrate with such a fabric, on one or both sides of its surface, such that when uncoiled the fabric on the inside face will be stretched, causing a contraction in the direction normal to that of the uncoiling action. This contraction will force the resilient member to curve in this direction, that is normal to the original curvature.
- the fabric on the outer face will tend to be compressed along the original axis of curvature and, if the member is forced towards the second curvature will then act to give a force tending to counter said original curvature.
- fibres are embedded within a matrix to form a fibre-reinforced composite, the same effect appears without the need for an underlying resilient substrate, the composite forming a member in its own right, and allowing the fibres to be in the form of a woven or knitted material, as described above, or to be laid as a series of laminae, with the matrix acting to hold them together to form a unitary element.
- Such a device can thus be composed of a woven, knitted or laminar composite, with fibres laid in a minimum of two directions at angles to the direction of the natural curvature of the coil. Further layers can be added, either of a similar nature or of a resilient material which does not possess the tendency to naturally form into a second curve, but which can be forced to do so as a result of the action of the angled fibre layers.
- the second form will be either temporary, maintaining its shape only whilst some external restraint is applied to straighten the original curvature, or may form a completely stable second form which will not return to its original curve until an external force is applied to straighten the second curve, allowing the original form to re-establish itself.
- a further example of a material the geometric structure of which would give rise to this effect woulld be a resilient member in which a series of hollow tubular channels run through the substance of the member in the same directions as the fibres described in the embodiment utilising a fibre-reinforced composite.
- the channels may be allowed to be open to the external environment, filled with gases or fluids, or evacuated.
- the resultant material can be considered as equivalant to a material containing fibres of lower tensile or compressive modulus than the matrix.
- the effect can perhaps be most clearly, although not completely, understood if the material producing the effect is considered as containing a large number of scissor like linkages in the manner of a pantograph extending in two directions.
- a sheet of such linkages is extended in one direction it will contract in the the direction normal to said extension, and if compressed in one direction it will expand in the direction normal to said compression.
- edges of the member after extension may be permanently join. This may be acheived, for example, by means of welding, adhesives or other means to provide a closed, sealed hollow structure.
- the second form will usually be straightened along the original direction of curvature to form a member which is a straight arc section, compound section, or tubular or other hollow section. If however the original coil or spiral is formed with a curvature such that one or both edges are longer than the centre section of the coil or spiral as shown, for example, in Fig. 3.1 the member will adopt a second form which is a curve along the original axis of curvature with the longer edge or edges forming the outside of said curve as shown in Fig. 3.2.
- the member will adopt a second form which is a curve along the original axis of curvature with the edges forming the inside of said curve as shown in Fig. 4.2.
- the member is formed into any first form in which there are differences in the diameter of the coil along its axis the resultant second form will exhibit curvatures of this nature.
- the second form will be of a constant radius and cross section. If desired, the radius and cross section of the second form may be varied along the length by adjusting either the angles of the fibres in the layers acting to form the second curve, or varying the radius of curvature of the original coil or spiral along its length.
- Compound curves can be produced by varying the angles of the fibres within the layer or layers producing the second curve, or by including such fibres only in some areas of the formed ribbon.
- Fig. 5 the use of such fibres in a resilient member in strips 5.1 along both edges of a resilient member, with an area between 5.2 formed of a resilient material which has no tendency to form a second curve, will cause the ribbon to form a second compound curve of the cross section shown in Fig. 6.
- An almost infinite variety of such compound and variable second curvatures can be formed by applying these general principles.
- thermoplastic matrix materials in combination with a range of reinforcing fibres which include glass, aramid, polyesters, carbon fibres, metal fibres, high density polyethylene fibres and liquid crystal polymers.
- the thermoplastic matrix materials which have shown good results include polypropylene, PET, PES, PEEK, polyamides, polyethylenes, ABS and thermoplastic urethanes.
- materials such as high density polyethylene fibres in a polyethylene matrix, and liquid crystal polymers within matrices of the same polymer should be regarded as fibre-reinforced composites for the purposes of manufacturing the devices described herein, as although of uniform chemical composition, they are mechanically similar to any fibre-reinforced composite of the more orthodox type in which the matrix and reinforcement are of a substantially different nature.
- thermoplastic is incorporated as a thread comingled with the reinforcement, included in the weave as a separate fibre, or coated onto the surface of the reinforcing fibre.
- Vetretex Ltd. in the form of woven cloth and comingled thread under the trade name Twintex.
- the second are materials also formed from comingled threads or by inclusion of separate fibres or coated fibres but in which the fibres are laid as flat laminae, which are then held together by lines of stitching or knitting to form a unitary multi-layered material in which the fibre orientation and the number of layers can be specified for a given purpose.
- Materials of this type are also produced by Vetretex and by Tech Textiles Ltd, a division of Turner Newall.
- the third class of materials consist of pulltruded unidirectionally reinforced tapes in which the fibre is pre-consolidated into the matrix. These tapes can then be cut and assembled to form any desired internal structure before being heated under pressure to re-melt the matrix, thus forming the finished component.
- Materials of this type are produced by Borealis Ltd, a subsidiary of Statoil Ltd, under the trade name Plytron and by Baycomp Ltd. in a wide variety of matrices and reinforcements.
- any combination of one or more of the above materials may be utilised in production.
- more than one matrix may be used in the same device provided adhesion can be assured.
- Fig. 7 shows one or more ribbons 7.1 of material of the type described above, or layers of both reinforcing material and of thermoplastic suitable for use as a matrix, with the angles of the reinforcement such that they will produce the desired secondary curvature.
- a typical lay might consist of five layers of pulltruded tape laid at, for example, angles to the axis of the forming roller 7.3 of plus fifty five degrees, minus fifty five degrees, ninety degrees, plus fifty five degrees and minus fifty five degrees.
- a high integrity weld is formed between the layers to set the curvature into the finished coil. This may be accomplished ultrasonically, or by passing the individual ribbons of material at such a speed past a number of heat sources that their surfaces only are melted, after which they are pressed together by means of rollers or a forming die until sufficiently cooled to be wound off onto the accumulating coil of finished product. This may be carried out continuously or intermittently as previously described. In many cases it may be desirable to include a thin film of thermoplastic, either of the same material as the matrix or of some other material which will bond with the matrix. The advantages of this weld processing lie in greater speed of production and reduced energy costs. The same result may be achieved by any means other than welding which can bond the pre consolidated layers with sufficient integrity.
- cable conduits water pipes, sewage pipes, drainage and irrigation pipes, drill bore linings for petroleum or gas or water wells, extendible handles and probes, retractable awnings or vehicle hoods, roll up ladders, actuators, aerial masts, camera mounts, microphone booms, lighting supports, conveyor belts, telecommunications or computer cable ducting, tent poles, temporary curved structures, surveyors poles and other measuring devices, stretchers and many others.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
- Nonwoven Fabrics (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Knitting Of Fabric (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Reinforced Plastic Materials (AREA)
- Endoscopes (AREA)
- Woven Fabrics (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU20392/97A AU721213C (en) | 1996-03-25 | 1997-03-25 | An extendible member |
DE69702706T DE69702706T2 (en) | 1996-03-25 | 1997-03-25 | EXTENDABLE ITEM |
US09/155,011 US6217975B1 (en) | 1996-03-25 | 1997-03-25 | Extendible member |
JP53414397A JP4005138B2 (en) | 1996-03-25 | 1997-03-25 | Elastic sheet material |
EP97908422A EP0891248B1 (en) | 1996-03-25 | 1997-03-25 | An extendible member |
CA002283278A CA2283278C (en) | 1996-03-25 | 1997-03-25 | An extendible member |
NO19984417A NO313662B1 (en) | 1996-03-25 | 1998-09-22 | Extendable sheet body and method for making this |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9606200.5A GB9606200D0 (en) | 1996-03-25 | 1996-03-25 | An extendible member |
GB9606200.5 | 1996-03-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997035706A1 true WO1997035706A1 (en) | 1997-10-02 |
Family
ID=10790956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1997/000839 WO1997035706A1 (en) | 1996-03-25 | 1997-03-25 | An extendible member |
Country Status (11)
Country | Link |
---|---|
US (1) | US6217975B1 (en) |
EP (1) | EP0891248B1 (en) |
JP (1) | JP4005138B2 (en) |
CN (1) | CN1072101C (en) |
CA (1) | CA2283278C (en) |
DE (1) | DE69702706T2 (en) |
ES (1) | ES2150228T3 (en) |
GB (1) | GB9606200D0 (en) |
NO (1) | NO313662B1 (en) |
RU (1) | RU2189316C2 (en) |
WO (1) | WO1997035706A1 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999062812A1 (en) * | 1998-06-04 | 1999-12-09 | Rolatube Technology Limited | An extendible, coilable member |
WO2002025057A1 (en) | 2000-09-20 | 2002-03-28 | Sofitech N.V. | Apparatus comprising bistable structures for use in oil and gas wells |
WO2002053477A1 (en) * | 2000-12-28 | 2002-07-11 | Habasit Ag | Conveyor belt |
WO2007148118A1 (en) * | 2006-06-23 | 2007-12-27 | Cambridge Enterprise Limited | Multistable structural member and method for forming a multistable structural member |
WO2010109247A2 (en) | 2009-03-27 | 2010-09-30 | Michael Korn | Screens |
WO2010139983A1 (en) * | 2009-06-03 | 2010-12-09 | Rwr Systems Limited | Sensor assembly and a method of sensing |
EP2354006A1 (en) * | 2008-11-05 | 2011-08-10 | Sakase Adtech Co., Ltd. | Extendible structure |
WO2011154676A1 (en) | 2010-06-07 | 2011-12-15 | Rwr Systems Limited | Sensor assembly and a method of sensing |
WO2014195707A2 (en) * | 2013-06-07 | 2014-12-11 | Rtl Materials Ltd | Methods of protecting or repairing a cable or cables and related apparatus |
WO2015033085A1 (en) | 2013-09-09 | 2015-03-12 | Rtl Materials Ltd | Antenna assembly and related methods |
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WO1999062812A1 (en) * | 1998-06-04 | 1999-12-09 | Rolatube Technology Limited | An extendible, coilable member |
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GB2385077A (en) * | 2000-09-20 | 2003-08-13 | Schlumberger Holdings | Apparatus comprising bistable structures for use in oil and gas wells |
GB2385077B (en) * | 2000-09-20 | 2004-12-01 | Schlumberger Holdings | Apparatus comprising bistable structures for use in oil and gas wells |
WO2002053477A1 (en) * | 2000-12-28 | 2002-07-11 | Habasit Ag | Conveyor belt |
WO2007148118A1 (en) * | 2006-06-23 | 2007-12-27 | Cambridge Enterprise Limited | Multistable structural member and method for forming a multistable structural member |
EP2354006A4 (en) * | 2008-11-05 | 2012-07-18 | Sakase Adtech Co Ltd | Extendible structure |
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US9541447B2 (en) | 2009-06-03 | 2017-01-10 | RTL Materials Limited | Sensor assembly and a method of sensing |
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WO2011154676A1 (en) | 2010-06-07 | 2011-12-15 | Rwr Systems Limited | Sensor assembly and a method of sensing |
WO2014195707A2 (en) * | 2013-06-07 | 2014-12-11 | Rtl Materials Ltd | Methods of protecting or repairing a cable or cables and related apparatus |
WO2014195707A3 (en) * | 2013-06-07 | 2015-03-12 | Rtl Materials Ltd | Methods of protecting or repairing a cable or cables and related apparatus |
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US10147995B2 (en) | 2013-09-09 | 2018-12-04 | Rtl Materials Ltd. | Antenna assembly and related methods |
US11641050B2 (en) | 2013-09-09 | 2023-05-02 | Rtl Materials Ltd. | Antenna assembly and related methods |
US10288455B2 (en) | 2014-03-12 | 2019-05-14 | Rtl Materials Ltd. | Methods of deploying fibre optics via a coilable member for sensing or communications applications |
US10144192B2 (en) | 2014-12-30 | 2018-12-04 | Thales | Tape with smooth deployment |
US11142964B2 (en) | 2015-12-09 | 2021-10-12 | RTL Materials Limited | Apparatus and method for joining in a tube |
WO2017098225A3 (en) * | 2015-12-09 | 2017-10-12 | Rtl Materials Ltd | Apparatus and methods for joining in a tube |
EP3251562A2 (en) | 2016-05-10 | 2017-12-06 | Korn Wall Limited | Retractable screen |
US10383463B2 (en) | 2016-05-10 | 2019-08-20 | Korn Wall Ltd | Methods for improving straightness in the vertical plane of retractable screen partitions |
US11787160B2 (en) | 2017-02-24 | 2023-10-17 | RTL Materials Limited | Slit tube extendible members and methods for manufacturing same |
US10526785B2 (en) | 2017-04-26 | 2020-01-07 | Opterus Research and Development, Inc. | Deformable structures |
US11034467B2 (en) | 2017-04-26 | 2021-06-15 | Opterus Research and Development, Inc. | Deformable structures collapsible tubular mast (CTM) |
US11788288B2 (en) | 2017-08-22 | 2023-10-17 | RTL Materials Limited | Slit locking clamp for mast and support assembly |
WO2019201948A1 (en) | 2018-04-20 | 2019-10-24 | Korn Wall Limited | Retractable panel system |
Also Published As
Publication number | Publication date |
---|---|
NO984417L (en) | 1998-11-19 |
RU2189316C2 (en) | 2002-09-20 |
CA2283278C (en) | 2006-11-07 |
NO984417D0 (en) | 1998-09-22 |
AU721213B2 (en) | 2000-06-29 |
CN1072101C (en) | 2001-10-03 |
CA2283278A1 (en) | 1997-10-02 |
CN1214006A (en) | 1999-04-14 |
JP4005138B2 (en) | 2007-11-07 |
JP2000507890A (en) | 2000-06-27 |
ES2150228T3 (en) | 2000-11-16 |
DE69702706D1 (en) | 2000-09-07 |
EP0891248A1 (en) | 1999-01-20 |
EP0891248B1 (en) | 2000-08-02 |
AU2039297A (en) | 1997-10-17 |
DE69702706T2 (en) | 2001-04-12 |
US6217975B1 (en) | 2001-04-17 |
GB9606200D0 (en) | 1996-05-29 |
NO313662B1 (en) | 2002-11-11 |
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