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WO/2001/008878A1 |
Method and device for the manufacture of corrugated material, at least one first plane sheet (19; 20) and one second sheet (16) of plastic material arranged in wave shape being brought together for adhesion to each other and the wave-sha...
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WO/2000/064656A1 |
According to the inventive method for shaping hollow bodies made of thermoplastic material which comprise at least one gas pocket (3) having a wall (6), said wall (6) of the gas pocket(s) (3) is externally subjected to the action of pres...
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WO/2000/064659A1 |
The invention relates to a method of shaping hollow boards (11) that consist of a thermoplastic material and that have at least one cavity (17) in the interior of the board that is open towards the board edge (18). According to the inven...
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WO/1999/064224A1 |
The invention concerns a method for making a sandwich-type reinforced composite structural panel with alveolate core, which consists in: stacking at least one first reinforced thermoplastic material skin (110), a first reinforced thermop...
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WO/1999/062698A1 |
A plastics sheet material comprises a pair of opposed faces (12, 14) between which run a series of elongate voids (20), the voids (20) being arranged so that there are two series of uninterrupted interconnections (14, 18) between the two...
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WO/1999/022160A1 |
A shock absorbing component having a pair of surfaces with a plurality of inwardly extending indentations in the top and bottom surfaces. The indentations extend between the surfaces to provide support members for the shock absorbing com...
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WO/1999/014032A1 |
The invention relates to a method and device for manufacturing a sandwich structure consisting of at least two outer layers (23) and at least one core layer, which core layer is built up of a number of tubes (31) running substantially pa...
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WO/1998/017878A1 |
The invention relates to a wall element, comprising a honeycomb supporting element, comprising hollow bodies connected to one another at their respectively adjacent peripheral walls; and at least one skin closing a boundary surface of th...
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WO/1998/004398A1 |
A method for forming a rigidified area as an insert (14) for receiving, in particular, an attachment system (31, 32) inside a panel (10) with a sandwich-type composite structure, is disclosed. Said panel comprises a stack of at least one...
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WO/1998/003747A1 |
The invention relates to a method for manufacturing structures having at least one hollow longitudinal channel arranged between outer board portions. Compressible and curable matrix material (4) is arranged between outer press panels (1,...
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WO/1997/025197A1 |
A rigid or semi-rigid plastics sheet material comprises a pair of opposed faces (20, 22) between which run elongate voids defined by interconnections (24, 25) between the two opposite faces, the cross-sectional shape of at least some of ...
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WO/1997/022827A1 |
Pipe (1) of extruded thermoplastic material, as well as method and device for its manufacture. The pipe (1) has a wall in which a plurality of channels (5) is present which extend in the longitudinal direction of the pipe. The wall of th...
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WO/1997/011873A2 |
A body shell construction suited to use in transport vehicles comprises an orthographic structure having a substantially horizontal floor (61), two vertical walls and a substantially horizontal roof. The floor, walls and roof form a subs...
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WO/1997/011825A2 |
A fibre reinforced plastic panel has first (1) and second (2) fibre reinforced plastic sheets each forming one exterior side of the panel. The first (1) and second (2) fibre reinforced plastic sheets are spaced apart, with an intermediat...
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WO/1996/022878A1 |
A method for making a honeycomb core composite article includes forming a honeycomb core (24) and a precured composite skin (20) having a core edge (32) and a restraint edge (30), respectively. The precured composite skin (20) is placed ...
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WO/1996/003271A1 |
In the field of air transport, rail transport and the like, aluminium has replaced steel, and in the future light-weight composite materials will replace aluminium. A new technique based on filament winding enables parallelepiped element...
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WO/1996/001185A1 |
A method of producing a corrugated sheet material which comprises supplying a film of thermoplastic material in softened form to en embossing roller, embossing a series of interconnected corrugations onto the film and laminating to the f...
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WO/1996/000650A1 |
A method of producing a structural component (12) from a primary wall structure (14) which defines a plurality of juxtaposed primary cells (15) which extend between and which are open to the front face and the rear face of the component ...
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WO/1995/035201A1 |
A device wherein a strip of three-dimensional fabric (38a), composed of two sheets (41a, 41b) of fabric connected by intermediate yarns (42), is impregnated with resin (84) and pressed between two impermeable strips (17a, 27a) on opposit...
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WO/1995/029807A1 |
A planar composite panel is constructed from two resin-impregnated fiber face sheet covering (38) and bonded to the two sides of a honeycomb core element (32) and a surrounding border element made of rigid foam board (34). The two planar...
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WO/1995/019881A1 |
A moldable panel (10) having a predetermined shape for cushioning and protecting protrusions and areas including a flexible elastomeric thermoplastic honey comb panel (11) and a rigid thermoplastic plate (12). The honeycomb panel has a h...
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WO/1995/008473A1 |
A duct cover (12) for use with a duct (4) within a vehicle, the duct cover (12) operative for directing a fluid flow. The duct cover being further operative for minimizing the entrance of foreign object debris into the duct (4). The duct...
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WO/1995/008437A1 |
A composite sandwich structure which includes upper and lower skin structures (20, 22), first and second honeycomb core structures (24, 26), and an intermediate portion disposed between the first and second honeycomb core structures. The...
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WO/1994/029099A1 |
Described is a method ans machine for producing double-wall GRP panels. One wall (51) is first applied on a work surface (12), said wall being made from glass-fibre mats and resin, then cross-pieces (53) are inserted in the liquid resin ...
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WO/1994/025258A1 |
A honeycomb structure (1) consists of many small tubes (2) bonded together along their sides. The small tubes (2) have a main body (4) which is made of a thermoplastic and which at least on its outer side, preferably on its outer and inn...
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WO/1994/020290A1 |
A former for use in a core sandwich of composite reinforced plastics material, the former comprising a rib section (5) divided into a plurality of sub-sections (8) by slits or openings (10) extending partway through said rib section (5) ...
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WO/1994/016911A1 |
There is disclosed a hollow-form wheel (10) formed entirely by injection molding of plastic. The wheel has an integral, central sleeve (12) to receive a wheel hub assembly, at least three, hollow-form, integral spokes (16) that are symme...
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WO/1994/015778A1 |
An acoustic tile (20) for masking the acoustic signature of a surface or submarine vessel and including an inner skin (22) for securing the tile to the hull (10) of the vessel, an outer water-impervious skin (26), and a core (24) sandwic...
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WO/1994/014667A1 |
A twin sheet plastic panel structure (10), a twin sheet plastic pallet utilizing the panel structure, and a methodology for forming the panel structure and pallet. The panel structure (10) is formed by thermoforming an upper plastic shee...
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WO/1994/014600A1 |
A composite molding apparatus (10) and method for high pressure co-cure molding of lightweight honeycomb core composite articles having ramped surfaces utilizing low total density, stabilized ramped honeycomb cores. The low total density...
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WO/1994/003327A1 |
A panel (10) of perforated thermoplastic material having sound and shock dampening characteristics comprised of a perforated honeycomb core (16) and either whole or perforated facing sheets (18, 20), thermal compression bonded to the cor...
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WO/1993/005219A1 |
The object of the invention is a method for manufacturing a laminating reinforced fibre structure (1), in which fibre layers (7, 8) made of cross-woven warp or weft yarn bundles are manufactured as a warp structure, these being tied toge...
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WO/1993/003235A2 |
A sectional habitational module (1) includes a plurality of interconnected panels (5) defining a plurality of habitable spaces (8). The panels comprise internally a three-dimensional textile (30) formed from two outer textile sheets (33,...
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WO/1992/021511A1 |
A three-dimensional textile (3) formed from two sheets of textile (5, 6) placed face to face and connected together by a plurality of extensible threads (10) is impregnated with resin and inserted between two layers (16, 17) so as to for...
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WO/1992/004182A2 |
A process and apparatus for making expandable honeycomb structures suitable for use as window coverings. In one embodiment, folded tubular strips (15) with adhesive lines are fed continuously through a cutter (25) which cuts them into pr...
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WO/1992/000183A1 |
Fatigue, the phenomenon of structural or system failure, caused by repeated excitations from high frequency noise or vibration levels, can occur without warning in inlet cowls, fans ducts and thrust reverser translating cowls of aero eng...
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WO/1991/016966A1 |
A microfluidic structure comprises first and second substantially planar form-stable base layers (1, 2), and an intermediate spacing layer (3) of elastic material, said spacing layer (3) being recessed to define a microcavity or channel ...
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WO/1991/016243A1 |
A plastic sheet material comprises a pair of opposed faces (12, 14) between which run a series of elongate voids (16), the voids being arranged such that there are a series of uninterrupted interconnections (18) between the two opposite ...
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WO/1991/002129A1 |
A three-dimensional structural element is an inherently plane formed body in the form of a plastic mesh with convexities, such as small cups, bars or the like, perpendicular to its extension. The mesh can be a shrunk slot film. The struc...
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WO/1991/000803A1 |
A nested fiberglass structure (10) comprises a plurality of strips (66) each in the shape of a sinusoidal wave (20). The waves (20) have peaks (22) and valleys (24) which have equal amplitude about a central axis (26). A positioning stri...
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WO/1991/000395A1 |
A laminated sheet which is useful as part of an underground drainage system for a basement is disclosed, and which includes a layer of polystyrene and at least one layer of a polyolefin laminated to one side of the polystyrene layer. The...
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WO/1990/011888A1 |
A former for supporting a layer of settable plastics material while it sets into hollow reinforcing ribs bonded to a laid up article of fibre reinforced plastics material during manufacture of said article, comprising a foraminous sheet ...
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WO/1990/006222A1 |
Composites of paper and bioriented plastic film, preferably polyester, are made by passing into and through the nip of a pair of nip rolls (13, 14) a web of paperboard (4) and a web of plastic film, with a layer of molten polymer impregn...
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WO/1990/001410A1 |
A plastic moulding of very high strength and minimum weight is manufactured by introducing at least one hollow hermetically sealed, air-filled plastic body (6), between two layers of fibre-reinforced plastic (3, 9), preferably prepregs, ...
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WO/1989/008542A1 |
This invention relates to a molding method and apparatus which is used for forming, on a predetermined section basis, a laminated molded article consisting of a skin layer made of a composite material and a core layer made of a honeycomb...
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WO/1989/006631A1 |
Improved reinforced plastic tanks and novel mandrel processes for producing them are disclosed. One aspect of the invention is concerned with an external support rib (14) and a method for producing it. According to the invention, the rib...
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WO/1989/000497A1 |
A composite article (4) of fibre-reinforced matrix material incorporates crushable elements (7) e.g. tubing of braided filaments or yarns, which are at least partly crushed (at 13-16) to give the article reduced thickness in the area (9,...
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WO/1988/009806A1 |
A tissue culture holder has an insulating chamber (22, 38) in its base below the culture containing chamber (32) or chambers (14, 44). The insulating chamber (22, 38) is filled with air or a clear liquid and may be sealed in a low humidi...
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WO/1988/003086A1 |
A variable geometry core structure consists of two sheets (12, 14). Each sheet is embossed with a series of beveled (24), truncated (26), hollow pyramids (20) and when mated in opposition along the bevels, provides an additional structur...
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WO/1988/000129A1 |
The method of and means for reinforcing a structure formed by interengaging the edges of ribbed strip means (1) formed of a plastics material to form a helically wound tube or a panel, the strip means (1) comprising a plurality of ribs (...
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