B31F1/284 - CPC Classification Index

ClassID:

55355 ⎘

B31F1/284 - 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; Control Warp prevention

Recent Application in this class:

20260061721

2026-03-05

CORRUGATED CARDBOARD PRODUCTION UNIT AND METHOD FOR INSPECTING THE FLATNESS OF CORRUGATED CARDBOARD SHEETS

20260054464

2026-02-26

PLANT AND METHOD FOR PRODUCING A CORRUGATED BOARD

20250256479

2025-08-14

WARP DETECTION IN TRAVELING CORRUGATED PRODUCT

20240083134

2024-03-14

Warp detection in traveling corrugated product

20240017516

2024-01-18

PLANT AND METHOD FOR PRODUCING A CORRUGATED BOARD

20210039348

2021-02-11

Method for manufacturing cardboard sheet using prediction model of sheet warpage with deletion of prescribed information

20200207051

2020-07-02

Corrugated cardboard sheet manufacturing system

20180345618

2018-12-06

Method of determining warp status for corrugated board

20180073861

2018-03-15

Device for determining the quality of a corrugated board web

#10

20160236438

2016-08-18

DEVICE AND METHOD FOR PREVENTING WARPING OF DOUBLE-FACED CORRUGATED CARDBOARD SHEET AND MANUFACTURING APPARATUS FOR DOUBLE-FACED CORRUGATED CARDBOARD SHEET

#11