Patents
Patents for D21D 1 - Methods of beating or refining; Beaters of the hollander type (3,356)
06/1979
06/28/1979WO1979000345A1 An apparatus for defibrating and,at the same time,conditioning cellulosic material
06/26/1979CA1057087A1 Lining element for pulp refiners
06/19/1979CA1056559A1 Process of freeing cellulose fibers from lignocellulosic material
06/19/1979CA1056558A1 Strenghtening of mechanical pulp by chemical treatment
06/12/1979US4157669 Method to manufacture comminuting discs for wood pulp refining machines
05/1979
05/29/1979USRE30011 Defibering apparatus for paper making stock
05/29/1979CA1055291A1 Method of treating ligno-cellulose containing material
05/15/1979CA1054496A1 Method of treating refining segments
05/15/1979CA1054415A1 Device for refining fibrous material
04/1979
04/24/1979CA1053184A1 Apparatus for eleminating specks from fibrous suspensions, especially in the reprocessing of mixed waste paper
04/24/1979CA1053050A1 Method and device for beating fibrous material
04/24/1979CA1053049A1 Grinding apparatus
04/10/1979US4148439 Method and device for controlling the energy consumption in a pulp refining system
03/1979
03/13/1979CA1050317A1 Method and apparatus for treating fibrous material
03/06/1979CA1049823A1 Reversible disk refiner plates
02/1979
02/13/1979CA1048324A1 Process for producing convoluted, fiberized, cellulose fibers and sheet products therefrom
01/1979
01/23/1979US4135389 Specific surface fractionator
01/16/1979US4134562 Mounting base of a disk refiner
01/09/1979CA1045865A1 Vented disc refiner
01/02/1979US4132366 Infeed tube for disc refiners
01/02/1979CA1045434A1 Disk refiner
12/1978
12/12/1978US4129263 Device for refining fibrous material
12/12/1978CA1044021A1 Method of producing alloys containing titanium carbide
10/1978
10/31/1978CA1041339A1 Refiner for wood pulp or the like
10/03/1978US4118800 Device for use in beating or refining machines
09/1978
09/26/1978US4116392 Pulp refining disk and method of making same
09/19/1978US4114818 Disk refiner
09/05/1978US4111373 Apparatus for defibering conglomerates of fiber in fibrous suspensions, especially in the processing of mixed waste paper
06/1978
06/06/1978US4093130 Twin refiner apparatus
05/1978
05/23/1978US4090672 Grinding apparatus
04/1978
04/11/1978US4083503 Paper stock rotor axial position controlling and locking device
04/04/1978US4082233 Disc refiner having means for removing gaseous media from pulp stock
03/1978
03/28/1978US4081147 Reversible disk refiner plates
11/1977
11/22/1977US4059237 System for feeding a double disc refiner
08/1977
08/16/1977US4042183 Rotor for mixer-refiner-reactor
08/02/1977US4039154 Refining element
07/1977
07/26/1977US4037792 Continuously refining raw fibrous material to produce mechanical refiner pulp
07/19/1977US4036679 Mechanical treatment
07/19/1977US4036443 Refiner head assembly and refining disk therefor
05/1977
05/17/1977US4023739 Lining element for pulp refiners
05/03/1977US4020994 Method of correlating the rotor and stator in a mixer-refiner-reactor
03/1977
03/29/1977US4014635 Apparatus for the deposition of a uniform layer of dry fibres on a foraminous forming surface
03/08/1977US4011150 Method of treating refining segments
03/08/1977US4011027 Stain removal apparatus
02/1977
02/01/1977US4005827 Refiner disk
12/1976
12/28/1976US4000032 Process of freeing cellulose fibers from lignocellulosic material by irradiation
12/21/1976US3998623 Method of producing alloys containing titanium carbide
10/1976
10/05/1976US3984057 Refiner for wood pulp or the like
08/1976
08/31/1976US3977611 Apparatus for refining fiber material
08/03/1976US3972482 Electro-chemical corrosion of working elements
06/1976
06/01/1976US3960332 Defibering apparatus for paper making stock
04/1976
04/06/1976US3948449 Apparatus for the treatment of lignocellulosic material
03/1976
03/30/1976US3947668 Method and apparatus for controlling pulp refiners
03/23/1976US3945576 Stock pulper
03/09/1976US3942729 Device for supplying treatment agent to ligno-cellulose containing material
03/09/1976US3942728 Stock pulper
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