Patent classifications
D21G3/00
Bracket for a pivot rod in a doctor arrangement and doctor arrangement for a fiber web machine
The invention relates to a bracket for a pivot rod in a doctor arrangement. The bracket has a base with a mounting aperture and adjacent ears with a hole for a pivot rod arranged perpendicular to the base. The bracket is a cast or 3D-printed piece. The invention also relates a doctor arrangement for a fiber web machine.
Method and apparatus for anomaly detection on a doctor blade of a papermaking machine, and computing device
A method for anomaly detection on a doctor blade of a papermaking machine includes obtaining doctor blade-related data, wherein the doctor blade-related data includes working condition data, status monitoring data, and design parameter data of the doctor blade, performing a predetermined data pre-processing on the doctor blade-related data to obtain a pre-processed data set, wherein the pre-processed data set includes processed data respectively corresponding to the working condition data, the status monitoring data, and the design parameter data; performing a predetermined feature extraction on the pre-processed data set, and fusing extracted features to obtain fused feature data; and analyzing the fused feature data based on different anomaly detection processes respectively, to perform a comprehensive anomaly detection on the doctor blade of the papermaking machine.
Yankee drying cylinder and a tissue paper making machine
The invention relates to steel Yankee cylinders for tissue-making machines and tissue-making machines using such steel Yankee cylinders wherein the outer surface (9) of the cylindrical shell of the steel Yankee cylinder is formed by a steel of the grade P690 as defined in European Standard EN 10028-6:2017 or a similar steel.
Doctor
A doctor (20), in particular for printing cylinders and coating systems, includes a doctor edge (21), a doctor body (22), and a curved blade profile (25) which is formed between the doctor edge (21) and the doctor body (22). In order to produce a doctor (20) which reduces the maintenance requirements of a gravure, flexographic, offset and/or digital printing machine and increases the service life of a doctor (20), according to the invention the extension of the curved blade profile (25) from the doctor edge (21) to the doctor body (22) is square or cuboid and/or the extension of the curved blade profile (25) from the doctor edge (21) to the doctor body (22) has at least one turning point (26).
Stud for a doctor blade holder in a fiber web machine and doctor blade assembly for a fiber web machine
A plurality of studs mount a doctor blade holder to a doctor back in a fiber web machine for slidable extraction of the doctor blade holder in the cross machine direction. Each stud (15) has a body (16) with a cylindrical center segment with a protruding nonround flange (17) formed as a single piece with the center segment. Opposed flats of the nonround flange of the body (16) may be engaged by the opposed parallel jaws of a conventional wrench allowing ready attachment of the studs to the doctor blade holder and subsequent installing within the channel of a rail which is mounted to the doctor back. A slide bar may be fixed to the doctor blade holder to extend out of the rail for engagement and extraction of the doctor blade holder.
Stud for a doctor blade holder in a fiber web machine and doctor blade assembly for a fiber web machine
A plurality of studs mount a doctor blade holder to a doctor back in a fiber web machine for slidable extraction of the doctor blade holder in the cross machine direction. Each stud (15) has a body (16) with a cylindrical center segment with a protruding nonround flange (17) formed as a single piece with the center segment. Opposed flats of the nonround flange of the body (16) may be engaged by the opposed parallel jaws of a conventional wrench allowing ready attachment of the studs to the doctor blade holder and subsequent installing within the channel of a rail which is mounted to the doctor back. A slide bar may be fixed to the doctor blade holder to extend out of the rail for engagement and extraction of the doctor blade holder.
INK JET PRIMER APPLIED ON A CORRUGATOR
A UV ink jet receptive primer is applied by a corrugator to produce a UV ink jet printable, continuous folded, corrugated material, e.g. fan fold. Priming is performed in-line by the corrugator. The primer should withstand the heat, humidity, and abrasion of the corrugator, yielding a surface that can be printed with UV inkjet ink and resulting in a high quality image.
INK JET PRIMER APPLIED ON A CORRUGATOR
A UV ink jet receptive primer is applied by a corrugator to produce a UV ink jet printable, continuous folded, corrugated material, e.g. fan fold. Priming is performed in-line by the corrugator. The primer should withstand the heat, humidity, and abrasion of the corrugator, yielding a surface that can be printed with UV inkjet ink and resulting in a high quality image.
Doctor blade including natural reinforcement fabric layers bonded together with bio-derived resin matrix
A doctor blade for contacting a roll surface in a papermaking machine is provided that includes a plurality of reinforcement fabric layers bonded together with a renewable, sustainable, eco-friendly, bio-derived resin matrix, thereby forming a multi-layer composite having a beveled edge contacting a roll surface. Each reinforcement fabric layer comprises renewable, sustainable, eco-friendly, natural reinforcement fibres, and the bio-derived resin matrix is a polymeric resin matrix produced from renewable natural resources.
FIBER BODY PRODUCTION APPARATUS AND FIBER BODY PRODUCTION METHOD
A fiber body production apparatus includes a forming mechanism that forms a mixture, a pressing unit that transports the mixture while pressing the mixture, a peeling blade that peels the mixture from the pressing unit, a cleaner that cleans the pressing unit, and a shaping mechanism that shapes the mixture, after a rear end of the mixture passes through the pressing unit, the pressing unit is reversely rotated to move foreign matter adhering to the peeling blade to the pressing unit, after the roller is reversely rotated by a predetermined amount, the pressing unit is rotated forward to transport the foreign matter, compress the foreign matter on the pressing unit, and cause the compressed foreign matter to pass between the peeling blade and the pressing unit, and the cleaner removes the transported foreign matter from the pressing unit.