Patents for B29C 53 - Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor (13,374)
08/1976
08/10/1976US3974019 Apparatus for manufacturing plastic pipes
08/10/1976US3974016 Bonding of thermoplastic coated cylinders
08/03/1976US3972761 Wrapping of pipes or tubes
07/1976
07/27/1976US3971299 Manufacture of bags
07/27/1976US3971243 Method for die forming strip material
07/20/1976US3970498 Method of making trim strip end finishes
07/20/1976US3970495 Method of making a tubular shaft of helically wound filaments
07/20/1976US3970491 Method for mutually connecting two strips of a thermoplastic material
07/20/1976US3969812 Method of manufacturing an overwrapped pressure vessel
07/13/1976US3969557 Fiberglass vaulting pole
07/13/1976US3969473 Method of corrugating a web of thin thermoplastic material in a continuous production
07/13/1976US3969172 Method and apparatus for forming joints in thermoplastic strip
07/13/1976US3969016 Low dispersion optical fiber wave guiding structures with periodically deformed waveguide axis
07/06/1976US3967999 Thermoplastic
07/06/1976US3967991 Method for producing receptacles from thermoplastic resin foam sheet
06/1976
06/29/1976US3966864 Wetting, winding, addition polymerization of bisimides, curing
06/29/1976US3966646 Fabricating bodies
06/29/1976US3966525 Method of making helically wound plastic tubing
06/29/1976US3966379 Apparatus for making corrugated flexible tubing
06/29/1976US3965782 Manufacturing corrugated perforated plastic tube
06/29/1976US3965715 Method and apparatus for bending thermoplastic pipes
06/22/1976US3964354 Flexile core material for laminated structures and method of producing the same
06/15/1976US3963856 Flexible, corrugated, plastic tubing having conductive helical bead
06/15/1976US3963549 Method and apparatus for producing continuous surface elements
06/15/1976US3963185 Filament winding method
06/15/1976US3962958 Tube former with wear insert
06/08/1976US3962394 Compression molding
06/08/1976US3962019 Floating mandrel duct making apparatus
06/01/1976US3960630 process and apparatus for the production of wound sandwich structures
06/01/1976US3960624 Method of fabricating tubular bodies
05/1976
05/25/1976US3959538 Decorative plastic trim
05/25/1976US3959066 Apparatus for manufacturing the body portion of a collapsible squeeze tube
05/18/1976US3957416 Apparatus for making composite structures
05/18/1976US3957412 Cupping machine for producing containers in thermoplastic film and comprising a device for placing a tape-like strip in a mold
05/18/1976US3957410 Means for centrifugally casting a plastic tubular member
05/18/1976US3957085 Flexible articles
05/18/1976US3957032 Pipe bending apparatus
05/11/1976US3956055 Composite panel and shape forming apparatus
05/04/1976US3955019 Cuspated sheet forming
04/1976
04/27/1976US3953560 Method of injection molding structural foam folding slat structures
04/27/1976US3953056 Bookbinding with plastic covers
04/27/1976US3952676 Dispensing container manufacturing apparatus and methods
04/20/1976US3951050 Tube forming process
04/13/1976US3950213 Machine for manufacturing insulated duct
04/13/1976US3950206 Method for heat-bonding polyester films or sheet-like structures and said polyester films or sheet-like structures
04/13/1976US3950044 Method for the production of concentric machine elements
04/06/1976US3948720 Welding jaw
04/06/1976US3948704 Method of and apparatus for making longitudinally partitioned tubular bodies and container assemblies
04/06/1976US3948150 Tube former
03/1976
03/30/1976US3947206 Corrugating apparatus
03/16/1976US3944641 Process of forming an irregular surface on the inside of a tube or pipe
03/16/1976US3944453 Hose construction
03/09/1976USRE28733 Method of making a cast guide for folding flexible sheets
03/09/1976US3943224 Method and apparatus for making continuous lengths of resin tubes
03/09/1976US3943029 Slide frame-welding apparatus
03/09/1976US3943022 Method of forming sharp bends in plastic faced flat panels
03/09/1976US3943020 Filament wound blade and method for manufacturing same
03/09/1976US3942722 Ground treatment apparatus
03/02/1976US3941641 Bonding method and apparatus
02/1976
02/24/1976US3940305 Tool for interconnecting sheet webs by welding
02/17/1976US3939022 Method of forming articles of fibrous materials
02/17/1976US3938929 Flexible plastics hose making apparatus
02/17/1976US3938285 Manhole and method of manufacture
02/10/1976US3937559 Optical fiber cable
02/03/1976US3936336 Method of forming reinforced plastics articles utilizing openwork tubes
02/03/1976US3936334 Collapsable tube
02/03/1976US3935767 Multiple gauging device
01/1976
01/27/1976US3935359 Retroreflective sheeting and method and apparatus for producing same
01/27/1976US3935048 Method for forming containers with fin-type seams
01/27/1976US3934323 Solar heat exchange panel and method of fabrication
01/20/1976US3933565 Method and apparatus for butt connection of plies formed of plastic deformable material, especially rubberized steel cord plies
01/20/1976US3933554 Process for manufacturing flexible hoses of elastomeric material having a cavity wall
01/20/1976US3933401 Foamed poly(vinyl chloride) drawer sides
01/06/1976US3931383 Method for continuously forming plastic sheet with vacuum pressure