30 patents
Utility
Monitoring and controlling of refining of fibrous pulp
17 Oct 23
The refining of a fibrous pulp is monitored and controlled by capturing at least one image of a pulp sample, determining the amount of all fibers or non-fibrillated fibers in the at least one image, determining the amount of fibrillated fibers in the at least one image, determining the relation between fibrillated fibers and all fibers or non-fibrillated fibers in the pulp on the basis of the amount of fibrillated fibers and the amount of all fibers or non-fibrillated fibers in the at least one image, generating a control parameter on the basis of the determined relation between fibrillated fibers and all fibers or non-fibrillated fibers in the pulp, and controlling fiber refining by at least one pulp refining device on the basis of the control parameter.
Lasse Kauppinen
Filed: 2 May 20
Utility
Blowing equipment for doctor equipment of a fiber web machine and fiber web machine doctor equipment equipped with blowing equipment
9 May 23
Blowing equipment (10) for doctor equipment of a fiber web machine (10) includes a distribution channel (11), the length of which corresponds essentially to the length of the doctor equipment (40).
Hannu Eerikäinen
Filed: 22 Sep 21
Utility
Industrial textile
18 Apr 23
An industrial textile has two layers, a web-side layer and a wear-side layer.
Hannu Martikainen, Mari Seppänen, Seppo Taipale
Filed: 16 Dec 21
Utility
Industrial Textile
6 Apr 23
An industrial textile has a double warp.
Rauno Enqvist
Filed: 3 Oct 22
Utility
Press Felt
30 Mar 23
A press felt for use in paper, cardboard or tissue machines has at least one base fabric (110), and fiber layers (120, 121) attached to the base fabric (110).
Kati Mikkonen, Satu Hagfors
Filed: 23 Sep 22
Utility
Through-air apparatus with adjustable deckle
21 Mar 23
A through-air apparatus for drying or bonding paper or non-woven products is provided.
Jan Skawski
Filed: 14 Oct 20
Utility
Monofilament Yarn
8 Dec 22
A monofilament yarn (10) has a polygon cross-section having a width and a height, which width is greater than the height, and four corners (11, 12, 13, 14) of which the first two opposite corners (11, 13) have angles of over 90 degrees, and the second two opposite corners (12, 14) have angles under 90 degrees, said width being 0.1 to 3 mm.
Rauno Enqvist, Hannu Martikainen, Juha Paavolainen
Filed: 2 Jun 22
Utility
Apparatus and Method for Shrinking Synthetic Filter Fabric
21 Apr 22
At least one infrared element arrangement having at least one infrared element (3) comprising a plurality of infrared radiators (4) is mounted on a frame moveable with respect to a synthetic filter fabric mounted to a filtering surface.
Tapio Salminen, Antti Mäkinen
Filed: 12 Oct 21
Utility
Through-air Apparatus with Adjustable Deckle
14 Apr 22
A through-air apparatus for drying or bonding paper or non-woven products is provided.
Jan Skawski
Filed: 14 Oct 20
Utility
Blowing Equipment for Doctor Equipment of a Fiber Web Machine and Fiber Web Machine Doctor Equipment Equipped with Blowing Equipment
31 Mar 22
Blowing equipment (10) for doctor equipment of a fiber web machine (10) includes a distribution channel (11), the length of which corresponds essentially to the length of the doctor equipment (40).
Hannu Eerikäinen
Filed: 22 Sep 21
Utility
Through-air apparatus with tension cam mechanism
9 Nov 21
A through-air apparatus for drying or bonding paper or non-woven products is provided.
Jan Skawski
Filed: 8 Jul 20
Utility
Through air drying systems and methods with hot air injection
19 Oct 21
Systems and methods for drying or bonding materials are described.
Mikhail Y. Shekhter, Dennis Edward Jewitt
Filed: 11 Jun 20
Utility
System of chipper knives and knife stops
12 Oct 21
A disc chipper has thick double-edged chipper blades clamped in rectangular pockets between a knife segment and a knife clamp which are connected to a chipper disc.
Derrel M. Peck
Filed: 26 Sep 19
Utility
Refiner plate with wave-like groove profile
12 Oct 21
A refiner plate segment including a plurality of bars and grooves for refining lignocellulosic materials, where the grooves between adjacent bars includes a plurality of teeth having a wave-like profile with alternating high and low points.
Ryan A. Knight
Filed: 1 Jun 18
Utility
Blade segment for refiner
12 Oct 21
A blade segment (4, 8, 8a, 8b) for a refiner comprises an inner end edge (20) and an outer end edge (21) and a first side edge (22) and a second side edge (23) opposite to the first side edge (22), the first side edge (22) and the second side edge (23) extending between the inner end edge (20) and the outer end edge (21), and a refining surface (29) comprising blade bars (27) and blade grooves (28) therebetween on a front surface (25) of the blade segment (4, 8, 8a, 8b).
Håkan Sjöström, Marko Loijas, Matti Kaarineva, Tomi Iisakkila, Markku Partanen
Filed: 10 May 18
Utility
Method of Controlling Caliper of the Fiber Web of a Parent Roll and Production Line for Producing Fiber Webs
27 May 21
To minimize the cost of a fiber web due to the web, particularly a board web, being manufactured overly thick to compensate for loss of caliper in the reel-up, the web is made thicker just for the inner layers of what will become a parent roll.
Jaakko Haapanen
Filed: 20 Jan 21
Utility
Blade element
23 Mar 21
A blade element (1) for a refiner for refining fibrous material comprises a refining surface (3) provided with blade bars (8, 10) and blade grooves (9, 11) there-between.
Christer Hedlund, Dino Muhic, Petteri Vuorio, Anders Hawen
Filed: 6 Jun 16
Utility
Roll and its use
26 Jan 21
The present invention relates to a roll for use in a manufacture of a fibrous web comprising cellulosic fibers.
Jani Turunen
Filed: 27 Nov 18
Utility
System of Chipper Knives and Knife Stops
11 Nov 20
A disc chipper has thick double-edged chipper blades clamped in rectangular pockets between a knife segment and a knife clamp which are connected to a chipper disc.
Derrel M. Peck
Filed: 25 Sep 19
Utility
Conditioning doctor blade for fiber web machine
2 Nov 20
A conditioning doctor blade (11) for a fiber web machine contains a number of reinforcement fiber layers (24, 26) laminated on top of one another into an epoxy matrix (20), and silicon carbide particles (21), so that the reinforcement fiber layers (24, 26) have formed a fiber core (22) and surface fiber layers (23) on both sides of the fiber core (22).
Håkan Hulden, Harri Ruotsalainen
Filed: 26 Jun 18