B31F1/2845 - CPC Classification Index

ClassID:

55356 ⎘

B31F1/2845 - CPC Classification

Classification description:

Mechanical deformation without removing material, e.g. in combination with laminating; Corrugating; Corrugating combined with laminating to other layers; Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard Details, e.g. provisions for drying, moistening, pressing

Sub-classes:

B31F1/285 » {Heating or drying equipment} 49
B31F1/2854 » {Means for keeping the sheet in contact with one of the corrugating rollers after corrugating, but before applying the facer sheet, e.g. by air pressure, suction or pressing fingers} 5
B31F1/2863 » {Corrugating cylinders; Supporting or positioning means therefor; Drives therefor} 21
B31F1/2872 » {Spraying devices, e.g. for moistening purposes; Lubricating devices} 9
B31F1/2877 » {Pressing means for bringing facer sheet and corrugated webs into contact or keeping them in contact, e.g. rolls, belts} 32

Recent Application in this class:

20250289204

WARP DETECTION AND CORRECTION IN TRAVELING MULTI-LAYER PRODUCT

20250289203

WARP DETECTION AND CORRECTION IN TRAVELING MULTI-LAYER PRODUCT

20200031604

Conveyor device for a corrugated web, corrugated board manufacturing line including the conveyor device, and method

20190367309

BRUSH ROLL

20160361888

Method and equipment for control and manufacture of corrugated cardboard

20150306837

LIQUID METERING METHOD IN THE MANUFACTURE OF PAPERBOARD

20150283780

Wet cyclone dust filtration system

20150122423

Assembly for producing an endless single-face laminated web of corrugated cardboard

20140239052

Repulpable corrugated box with styrene-acrylic copolymer and hydrogenated triglyceride coating

20110126977

Apparatus and Method for Manufacturing Corrugated Boards

20070084543

Apparatus and method for manufacturing corrugated boards