B31F1/28 - CPC Classification Index

ClassID:

55346 ⎘

B31F1/28 - 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

Sub-classes:

B31F1/2804 » {Methods} 32
B31F1/2813 » {Making corrugated cardboard of composite structure, e.g. comprising two or more corrugated layers} 40
B31F1/2818 » {Glue application specially adapted therefor} 77
B31F1/2822 » {involving additional operations} 50
B31F1/2831 » {Control} 54
B31F1/2845 » {Details, e.g. provisions for drying, moistening, pressing} 9
B31F1/2886 » {Additionally reinforcing, e.g. by applying resin or wire} 10
B31F1/289 » {from discrete sheets} 11
B31F1/2895 » {from corrugated webs having corrugations of particular shape} 24

Recent Application in this class:

20190025227

Corrugated board sheet defect detecting device, corrugated board sheet defect removing device and corrugated board sheet manufacturing device

20180215117

Apparatus and method for creating on demand customized corrugated cardboard for forming individually designed packaging boxes

20180099472

Device for storing and removing cardboard for a bridge in a corrugated cardboard production line

20160361888

Method and equipment for control and manufacture of corrugated cardboard

20160059509

High-speed electric-heating temperature-control single corrugating machine

20150360436

Glue application device and glue application method for cardboard sheets and cardboard sheet manufacturing device

20150059982

Single facer

20140311659

CORRUGATED PROCESSING UNIT AND METHOD THEREOF

20140162030

Smoothly bendable board

20110114712

CORRUGATED CONTAINER HAVING A NON-CONTINUOUS LAYER

20110039045

CORRUGATED CONTAINER HAVING LINER LAYERS OF DIFFERENT DIMENSION

20080251211

Apparatus for producing corrugated cardboard

20070062656

Linerboard With Enhanced CD Strength For Making Boxboard

20050230033

Method for shaping a metallic flat material, method for the manufacture of a composite material and devices for performing these methods

20050016690

Device for connecting a multilayered web by ultrasound