| Patents for B29C 53 - Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (13,374) |
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| 12/26/1991 | CA2045245A1 Apparatus and method for winding fiber reinforced thermoplastic resin tow and product thereof |
| 12/24/1991 | US5074943 Slip control for helically wound pipes |
| 12/19/1991 | DE4019196A1 Tube bending |
| 12/18/1991 | EP0461980A1 Mandril for the fabrication of hollow composite material articles and fabrication of these articles by the aid of this mandril |
| 12/18/1991 | EP0461644A1 Method and device to bend deformable, for example bendable pipes |
| 12/18/1991 | CN1057023A Rubber roll hot-press gluing method and its pressing device |
| 12/16/1991 | WO1991019603A1 Process and device for bending tubes which can be deformed or bent |
| 12/16/1991 | CA2064468A1 Process for bending pipes |
| 12/11/1991 | EP0461055A2 Glue applicator for continuous webs in an apparatus for making cardboard products |
| 12/11/1991 | EP0344214B1 Device for anchoring plastic prestressing elements |
| 12/10/1991 | US5071687 Winding prepreg of fiber reinforced sheet around form |
| 12/10/1991 | US5071616 Method of inserting rigid plastic lining tube through pipe |
| 12/07/1991 | WO1991019033A1 High speed pleating apparatus |
| 12/04/1991 | EP0459907A1 Method for manufacturing thin-walled tubes of fluorinated resin, particularly polytetrafluoroethylene |
| 12/04/1991 | EP0459681A1 Take-up apparatus for and package of tape type non-twisted carbon fiber bundle |
| 12/04/1991 | EP0459223A2 Continuous process for the preparation of thermoplastic honeycomb |
| 12/04/1991 | EP0458961A1 Method and apparatus for forming thick complex shaped composites |
| 11/28/1991 | WO1991004843A3 Process and device plus winder core for the production of pipe fittings made of fibre-reinforced plastic |
| 11/28/1991 | DE4016558A1 Heat forming hollow thermoplastic components - with heat supplied from inside component to reduce energy consumption |
| 11/27/1991 | EP0458322A2 Double wall fire proof duct |
| 11/27/1991 | EP0429513A4 Process and apparatus for heat forming of materials |
| 11/21/1991 | EP0457561A2 Method and apparatus for making a laminated tubular body |
| 11/19/1991 | US5066212 Apparatus for bending pipe |
| 11/14/1991 | WO1991017090A1 Closure having a spring open tamper evidencing band |
| 11/14/1991 | WO1991017038A1 Continuous film folding device for forming flattened folds and arrangement for forming fold-free areas |
| 11/14/1991 | WO1991015353A3 Method of manufacturing components of plastics enclosures and apparatus for use in the method |
| 11/14/1991 | DE4014525A1 Forming expanded grid angle section in PVC - has form tools mounted on endless chains to heat set required shape |
| 11/13/1991 | EP0456121A1 Method of bending plate-like workpieces and bending machine for carrying out this method |
| 11/13/1991 | EP0455914A2 Roman shade and method of fabricating a roman shade |
| 11/12/1991 | US5064598 Process and apparatus for manufacturing a pleated filter insert |
| 11/12/1991 | US5064491 Processes for the manufacture of curved reinforcing elements |
| 11/06/1991 | EP0455231A1 Fluidoperated stabilizing apparatus and method |
| 11/06/1991 | EP0380591A4 Fiber/resin composites, and method of making the same |
| 11/05/1991 | US5062781 Reinforced tire curing bladder |
| 11/05/1991 | CA1291699C Method and apparatus for producing laminated panels |
| 11/05/1991 | CA1291659C2 Article forming system |
| 11/05/1991 | CA1291616C Method for hot-forming a laminated sheet of synthetic resin, as well as a device for working this method |
| 11/01/1991 | CA2016412A1 Fluid-operated stabilizing apparatus and method |
| 10/31/1991 | DE4013313A1 Production of FRP protective rings - by making up series of laminates, e.g. round cylinder, bevelling edges, winding unidirectional filaments round, etc. |
| 10/30/1991 | EP0302061B1 Pipe for relining underground pipelines |
| 10/29/1991 | US5061339 Molding machine for rubber belt production |
| 10/29/1991 | US5061338 Device for manufacturing curved strips including a barrel cam for discontinuous displacement of the curved strips |
| 10/29/1991 | CA1291494C Fiber reinforced braided ski core and method and apparatus for making same |
| 10/29/1991 | CA1291492C Shaping device for a flexible wire having end fitments |
| 10/22/1991 | US5059377 Method for forming a composite structure |
| 10/22/1991 | US5058755 Tamper indicating closure having retaining hoop with relief windows |
| 10/21/1991 | CA2038214A1 Crossover mold tool for consolidating composite materials |
| 10/17/1991 | WO1991015650A1 Pleated window covering and method of manufacturing same |
| 10/17/1991 | WO1991015405A1 Three-part pack of metal or metal/plastic composite film |
| 10/17/1991 | WO1991015354A1 Fabrication of friction elements |
| 10/15/1991 | US5057265 Method of making a spacer for a windshield bracket |
| 10/15/1991 | US5057251 Double-fold construction for a contact body element |
| 10/15/1991 | US5056568 Automated system for adding multiple fluids to a single container |
| 10/15/1991 | US5056346 Method and device for manufacturing bellows pipe |
| 10/10/1991 | DE4010660A1 Dreiteilige verpackung aus metall- oder metall/kunststoff-verbundfolie Three-piece packing of metal or metal / plastic composite film |
| 10/09/1991 | EP0250417B1 Method and an apparatus for wrapping an external tape support about a filter element assembly |
| 10/09/1991 | CN1055140A Demoulding method and apparatus for winding slender products with composite fiber filament |
| 10/08/1991 | US5055251 Proces and apparatus for forming extremities of tubes |
| 10/08/1991 | US5054268 Press on, screw tight means for applying a closure |
| 10/08/1991 | CA1290233C Method for continuously manufacturing synthetic resin tube |
| 10/03/1991 | WO1991014480A1 Method for manufacturing a golf-club shaft of a fibre material and golf-club shaft made of a fibre material |
| 10/02/1991 | EP0449779A2 Process and device for production of a hollow object |
| 10/02/1991 | EP0449245A2 Triaxially braided composite nut and bolt |
| 10/02/1991 | EP0448557A1 Improvements in and relating to handling means. |
| 10/01/1991 | WO1991015353A2 Method of manufacturing components of plastics enclosures and apparatus for use in the method |
| 10/01/1991 | US5052914 Automatable internal endless film parting tool |
| 10/01/1991 | US5052913 Apparatus for forming a door panel belt trim |
| 10/01/1991 | CA2079441A1 Method of manufacturing components of plastics enclosures and apparatus for use in the method |
| 10/01/1991 | CA2037307A1 Triaxially braided composite nut and bolt |
| 09/25/1991 | EP0412118A4 Reinforced thermoplastic honeycomb structure |
| 09/25/1991 | CN1054739A Fluid jet recording head and fluid jet recording apparatus |
| 09/24/1991 | US5051293 Foldable foam mat |
| 09/24/1991 | US5051081 Apparatus for producing spiral pipes with rib |
| 09/24/1991 | CA1289487C Plastic pipe and method and appratus for manufacturing same |
| 09/24/1991 | CA1289486C Hose with composite joints |
| 09/19/1991 | WO1991013809A1 Bulk container |
| 09/19/1991 | WO1991013559A1 Improvements relating to the manufacture of tubular materials (tube without overlap) |
| 09/19/1991 | DE4005771C1 Cpd. fibre coupling mfg. - uses tubular wound section flanked by conical wound sections to be compressed into flanges |
| 09/18/1991 | EP0447128A2 Improved tensioning and gluing methods and apparatus for tube winding machines |
| 09/18/1991 | CN1054559A Plastic spiral pipe making method and equipment |
| 09/17/1991 | US5049059 Apparatus for forming polycarbonate sheeting |
| 09/17/1991 | US5048441 Composite sail mast with high bending strength |
| 09/11/1991 | CA2077891A1 Manufacture of tubular materials (tube without overlap) |
| 09/10/1991 | US5047277 Nested honeycomb structures and production method |
| 09/10/1991 | US5046272 Fluid-operated stabilizing apparatus and method |
| 09/05/1991 | WO1991013195A1 Fibre reinforced composites |
| 09/05/1991 | DE4006354A1 Curved honeycombs prodn. partic. parabolic mirrors - by making cruciform section mandrel square with corner tools, wrapping with FRP, removing corner tools and bonding several prod. together |
| 09/05/1991 | DE4005772A1 Braided rod or tube mfr. - uses resin immersed fibre strands spirally wound around core to give braided body with high torsional strength |
| 09/04/1991 | EP0444627A1 Aircraft fuselage structure and method of fabricating the same |
| 09/03/1991 | US5045147 Filament winding system |
| 08/28/1991 | EP0443470A2 Method and apparatus for producing fribre reinforced composite members |
| 08/28/1991 | EP0301001B1 Pressure vessel |
| 08/27/1991 | US5042234 Collagen film and netting packaging system and method |
| 08/22/1991 | DE4004473A1 Composite component prodn. with braided and unidirectional fibres |
| 08/21/1991 | EP0442092A2 Method of manufacturing fibre reinforced products |
| 08/21/1991 | EP0302922B1 Device for the continuous manufacture by extrusion of a tube provided with spiral threads |
| 08/20/1991 | CA1287716C Resin transfer molding core, preform and process |
| 08/14/1991 | EP0441618A1 Packing can |
| 08/13/1991 | US5039368 Thermoplastic matrix filament winding head |
| 08/08/1991 | WO1991011319A1 Pressure vessel made of composite material |