Patents for B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (9,445) |
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08/16/1977 | US4042446 Corrugated board-making machinery |
08/02/1977 | US4038917 Thin belt embossing method and apparatus |
07/26/1977 | US4038130 Corrugating machine having self-adjusting web guides |
07/26/1977 | US4038122 Method and apparatus for fabricating corrugated board from poly-coated paper |
06/21/1977 | USRE29272 Thermoplastic films |
06/07/1977 | US4027830 Yarn support |
05/31/1977 | US4026458 Deep drawn paperboard container and process for making it |
05/17/1977 | US4023481 Double facer platen |
03/15/1977 | US4012276 Apparatus for the manufacture by machine of multilayer corrugated paper material |
02/01/1977 | US4005529 Corrugating station assembly guide |
01/18/1977 | US4003684 Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters |
01/18/1977 | US4003114 Compressible sleeve embossing roll |
12/28/1976 | US4000242 Web material treating system including an inflatable platen roller |
12/28/1976 | US4000237 Method for producing a soft, absorbent, unitary, laminate-like fibrous web with delaminating strength |
12/21/1976 | US3998140 Machine for manufacturing corrugated structures |
12/14/1976 | US3997095 Single face web weave control |
12/07/1976 | US3995354 Nip roll for treating web materials and method of manufacturing same |
11/30/1976 | US3994768 Support and cleaning means for guide fingers of corrugator |
11/23/1976 | US3993425 Apparatus for forming diagonally corrugated paperboard |
11/09/1976 | US3990935 Machine for producing a corrugated sheet |
10/05/1976 | US3983905 Convolutely wound tube having readily conformable edge portions |
09/21/1976 | US3981758 Paperboard, heating, moisture |
09/21/1976 | US3981082 Apparatus and method for monitoring the moisture gradient in a moving web |
08/31/1976 | US3977929 Paperboard, synchronization |
08/31/1976 | US3977928 Crushing, dispersing fibers, impregnation with adhesive compressing |
08/31/1976 | US3977310 Method of scoring fracturable adhesive backing |
08/03/1976 | US3972763 Method of laminating planar and corrugated surface defining layers of sheet material |
07/20/1976 | US3970489 Corrugator control system |
07/13/1976 | US3969473 Method of corrugating a web of thin thermoplastic material in a continuous production |
06/29/1976 | US3966518 Paperboard corrugator |
06/01/1976 | US3961119 Embossed paper toweling and method of production |
06/01/1976 | US3960475 Angular indexing mechanism |
05/18/1976 | US3957090 Hygroscopic transporting web |
05/04/1976 | US3954557 Web treatment |
05/04/1976 | US3954062 Caseless propellant charges |
04/27/1976 | US3952676 Dispensing container manufacturing apparatus and methods |
04/20/1976 | US3951725 Two piece stripper finger for corrugating machine |
04/06/1976 | US3948721 Method and apparatus for wetting the web in paper making machines |
04/06/1976 | US3948718 Apparatus for pressing a moving web of material against a supporting surface particularly to a heating part |
03/30/1976 | US3947206 Corrugating apparatus |
03/30/1976 | US3946800 Preheater and method of controlling wrap of a web |
03/02/1976 | US3940966 Apparatus for shaping sheet material |
02/24/1976 | US3940529 Non-nested two-ply absorbent fibrous sheet material |
02/03/1976 | US3936339 In-line process for the production of corrugated board |
02/03/1976 | US3935802 Construction and method of dispensing crimped paper toweling |