Patents
Patents for D21B 1 - Fibrous raw materials or their mechanical treatment (6,805)
05/1995
05/23/1995US5417806 Cleaning and decontamination of fiber by washing and flotation a suspension
05/23/1995US5416960 Method for the production of fibrous material containing curled fibers
05/18/1995WO1995013148A1 Apparatus, system and method for treating process material such as waste material
05/17/1995EP0653510A2 Process for treatment of printed waste paper
05/17/1995EP0652990A1 Method of processing recycled paper.
05/17/1995EP0652802A1 Device for admixing a processing agent to a pulp suspension.
05/16/1995US5414902 Defibrator with ribs, beater plate, grate and beater bars
05/11/1995WO1995012711A1 A method for manufacturing fiber boards
05/11/1995WO1995012550A1 Deinking of recycled pulp
05/11/1995CA2175251A1 Deinking of recycled pulp
05/10/1995EP0651679A1 Tension bar screen
05/10/1995EP0572388B1 Ctmp-process
05/04/1995WO1995012025A1 A method and an apparatus for production of a fibrous material containing curled fibers
05/04/1995WO1995012024A1 Defibrator having improved defibration
05/03/1995EP0650773A2 Adjustable bar screen
05/03/1995EP0650540A1 Baled waste paper pre-recycling treatment
05/02/1995CA1335406C Process for the manufacturing of bleached chemicothermomecanical pulp
04/1995
04/27/1995WO1995011334A1 Deinking chemicals
04/27/1995DE4336272A1 Waste paper preparation device
04/27/1995CA2172836A1 Deinking chemicals
04/26/1995EP0649940A1 Method and apparatus for screening waste paper pulp
04/25/1995US5409118 Open air density separator and method
04/19/1995EP0440714B1 Manufacture of moulded objects from a fluidized fibre raw material
04/18/1995US5407538 Device for separating a mixture of paper pulp and contaminants
04/18/1995US5407268 Kneader for the treatment of fibrous pulp suspensions
04/13/1995CA2129865A1 Scraper for wood chip cracking apparatus
04/06/1995WO1995009267A1 Pretreatment of chips
04/05/1995EP0646049A1 A method for manufacturing low bark content wood chips from whole-tree chips
04/05/1995EP0442897B1 Grinding segment
04/05/1995CN2193885Y Stock cutter
03/1995
03/30/1995WO1995008667A1 Apparatus for fluffing high consistency wood pulp
03/21/1995US5398819 Blade tensioning mechanism
03/16/1995WO1995007384A1 Process and apparatus for manufacturing absorbent granular material
03/02/1995DE4412248A1 Ground straw
03/01/1995EP0640395A1 Plate position measuring system
03/01/1995EP0523047B1 Apparatus for conjoint adjustment of both the inner and outer grinding spaces of a pulp defibrating apparatus
02/1995
02/28/1995US5392931 Adjustable bar screen
02/28/1995US5392930 Adjustable bar screen
02/26/1995CA2119598A1 Plate position measuring system
02/22/1995EP0639238A1 Method and device for disintegrating recycled paper
02/22/1995EP0639115A1 Apparatus for refining fiber material.
02/22/1995EP0602182A4 Improved apparatus and method for deinking waste paper pulp.
02/22/1995CN2190128Y Mixed fibers separator
02/21/1995US5390860 Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby
02/16/1995WO1995004779A1 Biocomposite material and method of making
02/15/1995CN2189620Y Grass sheet sorting machine
02/14/1995CA2024875C Flotation machine for deinking
02/09/1995WO1995004189A1 Method and apparatus for treating filler-containing metarial, such as recycled fibers
02/09/1995WO1995004186A1 Recycle processing of baled waste material
02/09/1995CA2166476A1 Recycle processing of baled waste material
02/07/1995CA2129708A1 Fiber recovery system and process
01/1995
01/31/1995US5385309 Segmented wood chip cracking roll
01/25/1995EP0635598A1 Process for de-inking waste paper
01/19/1995WO1995001918A1 Bar screen for wood chips
01/18/1995EP0634522A1 Defibrating- or refining disk for paper pulp and process for making the same
01/18/1995EP0634519A1 Reactor for removing impurities from a liquid
01/18/1995EP0613420A4 Board stock and method of manufacture from recycled paper.
01/18/1995CN1097434A Food packing film and its manufacture
01/11/1995EP0633351A1 Recycling waste cellulosic material
01/10/1995CA1333897C Machine and method for sorting out fines and over-thick wood chips
01/05/1995WO1995000245A1 Refiner segment
01/04/1995EP0632158A1 Process for the treatment of waste paper
01/03/1995US5378321 Varying annular fluidization zone for increased mixing efficiency in a medium consistency mixer
01/03/1995US5377918 Pulpers for disintegrating cellulose pulp
01/03/1995US5377848 Roller screen for screening bulk material, especially wood chips
12/1994
12/29/1994CA2126716A1 Method for the recovery and processing of fibers from hollow stalk plants
12/28/1994EP0631009A1 Method for the recovery and processing of fibers from hollow stalk plants
12/27/1994US5375780 Cutting multilayer webs with rotating hooked disc cutters; using fan to separate torn platelets
12/20/1994US5373615 Filtration screen
12/08/1994WO1994028235A1 Method of processing recycled paper
12/08/1994WO1994028234A1 Improvements in and relating to the manufacture of feedstock for a processing operation
12/08/1994WO1994028233A1 Improvement in comminuting wood pulp sheeting
12/08/1994DE4426159A1 Flotation device
12/07/1994EP0627264A1 Injector for flotation devices
11/1994
11/29/1994US5368168 Bar screen with bars of staggered height
11/29/1994CA2056092C Spreader screw
11/24/1994DE4316861A1 Application of a method of high-pressure steam treatment
11/23/1994CN1026668C Method and equipment for recovering metal Al and pulp from waste aluminium foil paper
11/22/1994US5366591 Cyclic N-sulfatoimide
11/10/1994WO1994025667A1 Apparatus and method for treating a pulp slurry of waste paper
11/10/1994DE4314545A1 Method and installation for the preparation of packaging materials containing fibres
11/10/1994CA2158641A1 Apparatus and method for treating a pulp slurry of waste paper
11/09/1994CN2182191Y Plant dividing machine
11/08/1994US5362003 Refining segment
11/04/1994CA2122803A1 Injector for a flotation device
11/02/1994EP0621916A1 Method and apparatus for crosslinking individualized cellulose fibers
11/01/1994US5360175 Refiner having oscillation reduction means
10/1994
10/27/1994WO1994024364A1 Improvements in or relating to deinking of paper
10/27/1994WO1994023847A1 Screening means with a screening body, and method and device for manufacturing the screening body
10/27/1994CA2161094A1 Improvements in or relating to deinking of paper
10/25/1994US5358605 Process for recycling waste paper
10/25/1994US5358185 Method of digesting waste paper
10/25/1994US5358184 Method for separating multi-ply packaging material for recycling
10/19/1994EP0499618B1 Hydrolysis of resin in pulp
10/18/1994US5356517 Hydrolysis of resin in pulp with an enzyme and a peroxide
10/11/1994US5354427 Manufacture of moulded objects from a fluidized fiber raw material
10/05/1994EP0618326A1 Hydrolysis of resin in pulp
10/05/1994EP0618012A1 Flotation device
10/04/1994US5351895 Separating device for cellulosic and thin plastic materials
10/03/1994CA2120436A1 Flotation system
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