Patents for B29C 53 - Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (13,374)
10/1987
10/06/1987US4698011 Manufacture of a hollow envelope by winding filamentary material
10/06/1987CA1227732A1 Application of surfacing sheets to support members therefor
10/01/1987DE3614963A1 Process for producing a renewal tube for pipelines and a renewal tube produced by this process
09/1987
09/30/1987EP0239439A1 Method of producing a corrugated tubular structure to reinforce a composite-material part, and part so obtained
09/30/1987EP0239176A2 Tamper-evident closures
09/29/1987CA1227323A1 Air spring assembly apparatus and method
09/24/1987WO1987005677A1 Method and means for lining and overwrapping of conduits
09/23/1987EP0237900A1 A method and an apparatus for the production of ribbed pipes
09/22/1987US4695342 Method of forming truck cab frames
09/22/1987US4695341 Filament wound structure for use as a torque drive
09/22/1987US4695340 Filament wound structure having filament wound reinforcing rings for use as a torque drive
09/17/1987DE3608813A1 Process and device for producing groove rings
09/15/1987US4693773 Positioning, heating, folding polypropylene sheets
09/15/1987US4693140 Hollow tubular members and a method of making such members
09/15/1987CA1226710A1 Apparatus for producing double-walled corrugated pipes
09/11/1987WO1987005376A1 Pipe for relining underground pipelines
09/11/1987WO1987005261A1 Method to join end fittings in a pressure vessel and pressure vessels fabricated according to the method
09/09/1987EP0236067A2 Rolls with curved shafts
09/09/1987EP0235870A1 Tamper-evident closures
09/08/1987US4692197 Method for manufacturing corrugated tubes
09/08/1987US4692196 Apparatus and method for wrapping an external tape support about a filter element assembly
09/08/1987US4692195 Reconditioning torn totes
09/08/1987US4691835 Tamper-evident sealed container and tamper-evident tube and bands and apparatus and method of making and using same
09/08/1987US4691390 Sanitary headdress
09/02/1987EP0234300A1 Method and apparatus for making hollow articles from thermoplastic material
09/01/1987US4690850 Lightweight; tensile strength
09/01/1987US4690668 Method and apparatus for making a butt seam having a cover strip on a tube of multi-layer packaging material
09/01/1987US4690173 Shirred casing article
08/1987
08/26/1987EP0233439A1 Process and device for the continuous manufacture of fibre-reinforced hollow elements of synthetic material, and hollow element obtained
08/25/1987US4689174 Producing double-walled helically wound thermoplastic pipe with a corrugated cutter wall and a smooth inner wall
08/25/1987CA1225839A1 Hollow tubular members and a method of making such members
08/18/1987US4687690 Method of and means for forming and sealing helically wound tubes
08/18/1987US4687530 Method of and apparatus for lining a pipe insulating shell consisting of mineral fibers with a foil
08/13/1987DE3603649A1 System for monitoring the thread feed on winding machines, especially for the roving-winding technique
08/13/1987DE3603636A1 Process and apparatus for edge sheathing of at least two-layered longitudinal webs or panels
08/12/1987EP0232177A2 Joint structure for fabric web
08/12/1987EP0232125A2 Ultra-high pressure hose assembly
08/12/1987CN87100116A Apparatus and method for production of ribbed pipes
08/11/1987US4685950 Process for improving the surface finish of glass foils
08/11/1987US4685453 Orthopedic support
08/11/1987CA1225215A1 Continuous manufacturing process of a thermoplastic product, with or without a charge, wrapped with at least one sheet of flexible material, plant for said process and productsderived therefrom
08/05/1987EP0231154A2 A strip-dispenser carriage for use in the production of tubular elements
08/05/1987EP0230708A1 A sanitary headdress, and a method and apparatus for making the same
08/05/1987EP0230579A1 Particle filter for waste gases
08/04/1987US4684430 Clamp mechanisms
08/04/1987US4684423 Coating strips with rubber solution and curing
08/04/1987US4684419 Method and apparatus for forming automobile convertible tops
08/04/1987US4683593 Protective garment
07/1987
07/30/1987DE3602154A1 Particle filter for exhaust gases
07/30/1987DE3602153A1 Process for winding particle filters
07/28/1987US4682941 Flattening and take-off apparatus for providing a plastic film web from a blown tubular film
07/23/1987EP0177510A4 Bundle wind system.
07/21/1987US4681723 Endless belt conveys sheet around last calender roll to prevent sticking
07/21/1987US4681647 Handwheels or steering wheels; winding
07/21/1987US4680923 Composite twine structure
07/16/1987WO1987004113A1 Apparatus and method for the production of ribbed pipes
07/16/1987DE3622775A1 Anordnung und verfahren zur herstellung von rippenrohren Arrangement and method for the production of ribbed pipes
07/14/1987US4680071 Sheeting, tubes by two-stage curing process
07/14/1987US4680070 Compacting, applying self-adhesive membrane
07/14/1987US4680068 Method for forming drum handling rings
07/14/1987US4679600 High tensile strength removable hose covering
07/14/1987CA1224243A1 Method of forming a separator for a cylindrical battery
07/14/1987CA1224190A1 Method of forming a bag chain
07/07/1987US4678526 Method and apparatus for forming drain pipes
07/02/1987WO1987003820A1 Machine and method for assembling pleated filter material and a hollow core member
07/02/1987WO1987003819A1 An apparatus and method for wrapping an external tape support about a filter element assembly
06/1987
06/30/1987US4677013 Honeycomb structure having a longitudinally extending back face
06/30/1987US4676855 Folded expandable, collapsible window coverings
06/30/1987US4676729 Lightweight roofing module and apparatus and method for manufacturing same
06/30/1987US4676728 Apparatus for gauge distribution in plastic tubing
06/30/1987CA1223528A1 Reinforced hose and a method of manufacture
06/30/1987CA1223433A1 Polymeric belt cutting apparatus and method of making same
06/25/1987DE3546042A1 Bending device for plastic pipe for producing and fixing a pipe bend
06/23/1987US4675138 Process for the manufacture of a corrugated wafer board panel
06/18/1987WO1987003561A1 Tamper evident closure and method of manufacture
06/16/1987US4673541 Method and apparatus for continuous shaping of carbon-fiber-reinforced plastic tubes
06/16/1987US4673451 Method for manufacture of fiber reinforced resin structure such as a steering wheel core member
06/16/1987EP0225820A1 Composite pipe connection piece and manufacture process therefor
06/16/1987EP0225563A2 Fibre delivery assembly and fibre placement machine
06/10/1987EP0225152A2 Wraparound fabric article
06/10/1987EP0224808A1 Apparatus for continuously welding or sealing seams of plastic films
06/10/1987EP0224649A1 A plastic closure for a container
06/09/1987US4671985 Thin, deformable composite laminate
06/09/1987US4671842 System for the manufacture of tubular structural parts of a fiber-reinforced plastic
06/09/1987US4671831 Resin-impregnated coposite structure
06/09/1987CA1222618A1 Automatic splicing device
06/04/1987WO1987003240A1 Board cutting machinery and method
06/02/1987US4670078 Heating coupling element surrounding conduit
06/02/1987US4670073 Bonding man-made fabrics to form protective garments without use of stitching
06/02/1987US4669183 Forming alkaline batteries
06/02/1987CA1222466A1 Flexible hose
05/1987
05/27/1987EP0223754A2 Apparatus and method for maufacturing shaped articles of plastics material, particularly filling pipes for fuel tanks of motor vehicles
05/26/1987US4668319 Flexible, lighweight for high pressure, hydraulic system components
05/26/1987US4668318 Method for producing braided spiral reinforced hose
05/26/1987CA1222116A1 Method and arrangement for winding and forming helixes of elastic plastic or metal wire
05/20/1987EP0222660A1 Method of reinforcing a cylindrical element against torsional forces, and relative cylindrical element
05/20/1987EP0222104A2 Process and apparatus for making sleeves from sheets
05/19/1987US4666753 Filament wound structure for use as a torque drive
05/13/1987EP0221440A2 Process and apparatus for the reduction of inequalties and for the dimensional stabilization of endless webs
05/12/1987US4664644 Fiber reinforced plastic drive shaft and method of manufacturing thereof