Patents for B29C 53 - Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (13,374)
10/1979
10/30/1979CA1065238A1 Manufacture of hose utilizing recesses for accommodating rubber expansion
10/23/1979US4172175 Tapered fiberglass support
10/23/1979US4171940 Leaderless film processing apparatus
10/23/1979US4171626 Carbon fiber reinforced composite drive shaft
10/17/1979EP0004782A2 Method and apparatus for joining webs of material
10/17/1979EP0004538A1 Conic tube of helically wound strip material
10/16/1979US4171238 Method of making reinforced plastic composite structure
10/16/1979US4170864 Apparatus for the continuous spiral winding of a tape onto an elongated body
10/09/1979US4170624 Blown tube collapse frame assembly
10/09/1979US4170448 Assembly for forming the bell of a bell spigot joint
10/09/1979US4170347 Web pleater
10/04/1979WO1979000752A1 Bearings
09/1979
09/25/1979CA1062863A1 Method and apparatus for welding and trimming plastic profiles
09/18/1979US4167992 Plastic dust tube for shock absorber
09/18/1979CA1062414A1 Process for forming microporous sheet
09/11/1979US4167645 Electrical current-carrying fluid hose construction
09/11/1979CA1062199A1 Apparatus and method for corona discharge priming a dielectric web
09/11/1979CA1061993A1 Hollow fiber apparatus
09/04/1979CA1061726A1 Double-walled corrugated plastic tubes
08/1979
08/28/1979US4166000 Apparatus for winding helical reinforcement into a polymeric tube
08/28/1979US4165765 Glass fiber reinforced thermosetting resin pipe wall construction
08/22/1979EP0003641A1 Method and apparatus for producing a composite pipe
08/22/1979EP0003522A1 Method for manufacturing a container having a rectangular tubular cross-section and apparatus for performing the same
07/1979
07/31/1979US4162557 Process for turning a coated casing inside out
07/26/1979WO1979000450A1 Pipe coupling with pipe registering means
07/24/1979CA1058817A1 Continuous mold thermo forming
07/17/1979US4161383 Machine for continuous production of molded articles
07/17/1979CA1058367A1 Method and apparatus for continuous production of corrugated sheets
07/11/1979EP0002894A2 A method of joining together of a sheet or sheets of a non melt-processable organic polymer
07/11/1979EP0002656A1 Method of manufacturing motor car accessory equipment from plastics and products thereby obtained
07/10/1979US4160852 Production of sterile packages
07/10/1979US4160689 Sheet sealing shoe assembly
07/10/1979US4160466 Flexible multi-conduit tube and its manufacture
07/10/1979US4160398 Method and apparatus for manufacture of insulating sleeves
07/10/1979CA1057925A1 Apparatus for forming plastic tubes using continuous chains of half-dies
07/03/1979US4160006 Process and device for the manufacture of a tube bend of a thermoplast
07/03/1979CA1057547A1 Universal mandrel for container forming apparatus
06/1979
06/26/1979US4159220 Apparatus and method for vibration sealing
06/26/1979CA1057207A1 Fibrous tube for membrane filtration with a tearing member
06/19/1979US4158586 Method for producing bent pipe of reinforced synthetic resin
06/19/1979CA1056610A1 Flexible multilayer tubular structure for irrigation and process for its preparation
06/13/1979EP0002230A1 Heat-pressure fusing apparatus
06/12/1979CA1056288A1 Bonding of thermoplastic coated cylinders
06/05/1979US4157413 Unitary plastic hinged article and method of making
05/1979
05/30/1979EP0001990A1 Hair simulating fibre and method of forming the same
05/29/1979US4156588 Plastic pipe bending jig
05/29/1979CA1055570A1 Cavity press operating at a natural frequency of the workpiece
05/29/1979CA1055317A1 Process and apparatus for forming flexible fold lines in thermoplastic sheets
05/22/1979US4155791 Curing resin while fibers are under tension
05/16/1979EP0001894A1 Elongated strip for the formation of tubular articles and a method of forming the strip into an article
05/15/1979US4154784 Fluid molten mixture of a heat softenable resin and a blowing agent
05/08/1979US4153665 Apparatus and method for folding a sheet of material
05/08/1979US4153663 Heating sides to different temperatures
05/08/1979US4153498 Method and apparatus for manufacture of insulating sleeves
05/01/1979US4152475 Thermoplastic, high tensile strength, nonsplitting, wear resistance, high degree of stiffness
05/01/1979US4151916 Packaging materials
05/01/1979CA1053434A1 Wall covering for a bathtub recess and method of forming same
05/01/1979CA1053427A1 Device for producing gilled pipes of plastic or some other material
05/01/1979CA1053421A1 Method for producing arcuately curved film casings
05/01/1979CA1053415A1 Device for continuous manufacture of fibre reinforced curved plastic shapes
04/1979
04/24/1979US4151031 Apparatus for continuously forming composite shapes
04/24/1979US4151024 Method for the manufacture of packing containers
04/24/1979CA1053197A1 Valve bag filler, handling and sealing system
04/18/1979EP0001407A1 Tubular filter elements with improved side seam seal
04/17/1979US4149928 Tubular pipe from predetermined lengths of thermosetting resins
04/17/1979US4149924 Flexible hose making machine
04/17/1979US4149922 Grinding wheel to make two indentations - attaching holding means, applying axial force
04/10/1979CA1052188A1 Manufacture of receptacles
04/10/1979CA1052066A1 Process for preparing a web of film prior to winding it into a wound roll
04/03/1979US4147454 Method of and apparatus for construction of pipes for marine use, as for ocean mining and the like
04/03/1979CA1051621A1 Method and apparatus for fabricating thermoplastic containers
03/1979
03/20/1979US4145740 Filament winding apparatus
03/20/1979US4145387 Method of manufacturing double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smooth
03/20/1979US4144618 Material converger
03/20/1979CA1050738A1 Slide fastener and method of making same
03/13/1979US4143774 Truck for internally supporting and transporting plastic pipe from a pipe making machine
03/13/1979CA1050409A1 Shrink wrapping
03/06/1979US4142352 Multi-wrap hose reinforcement
02/1979
02/22/1979WO1979000079A1 Blank for pipe manufacture
02/21/1979EP0000755A1 Method and apparatus for making a shaped body from reinforced plastic
02/20/1979US4140458 Apparatus for producing a corrugated sheet
02/20/1979US4140058 Cartridge cases and process for the production thereof
02/13/1979US4139164 Method and device for winding bobbins of rubbery and essentially extensible tape material
02/13/1979US4139159 Flexible multilayer tubular structure for irrigation and process for its preparation
02/07/1979EP0000643A2 Seaming plastics materials
02/07/1979EP0000618A1 Method and apparatus for making O-rings
02/07/1979EP0000576A1 Method of lining a passageway
02/06/1979US4138285 Filament rod construction and method of forming the same
02/06/1979US4137950 Filament-reinforced hollow body with internal flange and method of forming same
02/06/1979CA1047950A1 Reinforced tube of plastic and a method of manufacturing the same
02/06/1979CA1047740A1 Slide fastener and method and apparatus for making the same
02/06/1979CA1047724A1 Method of corrugating a web of thin thermoplastic material in continuous production
01/1979
01/30/1979US4137354 Ribbed composite structure and process and apparatus for producing the same
01/30/1979US4137119 Apparatus for manufacturing poles of reinforced plastics material
01/30/1979US4136630 Sail batten
01/30/1979CA1047420A1 Reinforced formed hose
01/23/1979US4136149 Molded rubber article and method
01/23/1979CA1046747A1 Cartridge making method
01/23/1979CA1046738A1 Strapping joint and method and apparatus for forming same
01/16/1979US4134958 Method of manufacturing corrugated tubing of polytetrafluorethylene